DNSSEC Analyzer

Domain Name:

Time: 2022-08-12 12:42:17 UTC, NTP stratum 16

Analyzing DNSSEC problems for usc.edu

DS=20326/SHA-256 is now in the chain-of-trust

	Checking DS between Trust Anchor and .
	`. IN DS ( 20326 8 2 e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d )`
	Query to k.root-servers.net for ./DNSKEY
	Received 864 bytes from 193.0.14.129
	;; Response received from 193.0.14.129 (864 octets) ;; HEADER SECTION ;; id = 31380 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 3 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (3 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAaQVKIqdmeLCaF4lq+IoKpejId9qqoIbZJ6cjB5MfyJYX3KVFXYyJ9rt4jKOwf4m2BoDOY66 V1upRumF+eu502HXzdOdJlioRLA9YiRyLgvfjzyfUYrExYT4/TDTS4XfQX2UcJDN5C7SQ9UxebZk /VjQfPAUU+hZKOcjOVRFbAHom4tIi+Rin0laGlAi8ZY5WUZypYKR0xvprtG0eXeOBMjbUt1EnhmO 2Bs52zC8B0cMjq6fMiYFUqtziALccsQczGngIDR0dIvvL54ky1JNNp19Ldy9ir27s7eRCYGbYI1W zR05/d4/nCmDSHkQS2BiesYufuWZZwm+FsitupCciwE= ) ; Key ID = 20826 . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; Key ID = 20326 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20220831000000 20220810000000 20326 . FJNYHZUipwrjUsDOPlE6hwUza6fRp2vwI294cL6vn5P9B5V2NT4Uf/wWoJvJlUdKPYhLSu2mfTM+ 2ufpNU9sHB+0Z1YXBj2zK8qQlT9S/BW5v4trLo1sZzK8uvl0hXKOwBsoOiNWdvqqtfqBTpz+mzWO bVSoCnNSUyIJkDyydvbJ9W2zqP+EY448BC87+BOGn+rY0yYy9dp5NYbrAOTQDF0pudHp43LHYedc AfDtjwVREPVEWYkisVpJoT3EZbF31h1Gb/+P7v84UHi6Mykq5hgQ1fV0PIMczp53moxgJxfzr1Y8 TIQnMy3xxmDxIiLXbaeUtkyBU2iMA1JJfWExyg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Found 2 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAaQVKIqdmeLCaF4lq+IoKpejId9qqoIbZJ6cjB5MfyJYX3KVFXYyJ9rt4jKOwf4m2BoDOY66 V1upRumF+eu502HXzdOdJlioRLA9YiRyLgvfjzyfUYrExYT4/TDTS4XfQX2UcJDN5C7SQ9UxebZk /VjQfPAUU+hZKOcjOVRFbAHom4tIi+Rin0laGlAi8ZY5WUZypYKR0xvprtG0eXeOBMjbUt1EnhmO 2Bs52zC8B0cMjq6fMiYFUqtziALccsQczGngIDR0dIvvL54ky1JNNp19Ldy9ir27s7eRCYGbYI1W zR05/d4/nCmDSHkQS2BiesYufuWZZwm+FsitupCciwE= ) ; Key ID = 20826`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; Key ID = 20326`
	DNSKEY=20326/SEP is now in the chain-of-trust
	DS=20326/SHA-256 verifies DNSKEY=20326/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`. 172800 IN RRSIG ( DNSKEY 8 0 172800 20220831000000 20220810000000 20326 . FJNYHZUipwrjUsDOPlE6hwUza6fRp2vwI294cL6vn5P9B5V2NT4Uf/wWoJvJlUdKPYhLSu2mfTM+ 2ufpNU9sHB+0Z1YXBj2zK8qQlT9S/BW5v4trLo1sZzK8uvl0hXKOwBsoOiNWdvqqtfqBTpz+mzWO bVSoCnNSUyIJkDyydvbJ9W2zqP+EY448BC87+BOGn+rY0yYy9dp5NYbrAOTQDF0pudHp43LHYedc AfDtjwVREPVEWYkisVpJoT3EZbF31h1Gb/+P7v84UHi6Mykq5hgQ1fV0PIMczp53moxgJxfzr1Y8 TIQnMy3xxmDxIiLXbaeUtkyBU2iMA1JJfWExyg== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=20826 is now in the chain-of-trust
	Query to e.root-servers.net for usc.edu/A
	Received 1166 bytes from 192.203.230.10
	;; Response received from 192.203.230.10 (1166 octets) ;; HEADER SECTION ;; id = 45753 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 15 arcount = 27 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; usc.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 86400 IN DS ( 28065 8 2 4172496cde85534e51129040355bd04b1fcfebae996dfdde652006f6f8b2ce76 ) edu. 86400 IN RRSIG ( DS 8 1 86400 20220825050000 20220812040000 20826 . itxV/CfWsbXmqLn2+0mLtr10NyaSFqWCcymWa8I7tkc+NS+vjq8ZG3r12AnbUjdF4KWaqpPK/ySh l7v3HVhS7VKjaNHSGF4DqbaxSdivfex9qKZkLCUUUJDbUnoSe06DGEaFgyu8rWKmGf8jjroAbxav vPYeCIG8bhX7yln84NRbSTNlksTAVsFxqKsRX4E34jBwTROm5alXwyN8M3YDMrCGLywHHrghHtR9 hZcMjwrIHN7CQwk1CstABxYIW0au08TqX7gpJBRq2bEoZtp0OMmYDnuLofc/soYyNneQOd7YSfvf RnG13Fci0AX9IeO2BgmGeV87zmvQAZOKHUjhHg== ) ;; ADDITIONAL SECTION (27 records) a.edu-servers.net. 172800 IN A 192.5.6.30 b.edu-servers.net. 172800 IN A 192.33.14.30 c.edu-servers.net. 172800 IN A 192.26.92.30 d.edu-servers.net. 172800 IN A 192.31.80.30 e.edu-servers.net. 172800 IN A 192.12.94.30 f.edu-servers.net. 172800 IN A 192.35.51.30 g.edu-servers.net. 172800 IN A 192.42.93.30 h.edu-servers.net. 172800 IN A 192.54.112.30 i.edu-servers.net. 172800 IN A 192.43.172.30 j.edu-servers.net. 172800 IN A 192.48.79.30 k.edu-servers.net. 172800 IN A 192.52.178.30 l.edu-servers.net. 172800 IN A 192.41.162.30 m.edu-servers.net. 172800 IN A 192.55.83.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	Query to j.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 192.58.128.30
	;; Response received from 192.58.128.30 (1162 octets) ;; HEADER SECTION ;; id = 44999 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 15 arcount = 27 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 86400 IN DS ( 28065 8 2 4172496cde85534e51129040355bd04b1fcfebae996dfdde652006f6f8b2ce76 ) edu. 86400 IN RRSIG ( DS 8 1 86400 20220825050000 20220812040000 20826 . itxV/CfWsbXmqLn2+0mLtr10NyaSFqWCcymWa8I7tkc+NS+vjq8ZG3r12AnbUjdF4KWaqpPK/ySh l7v3HVhS7VKjaNHSGF4DqbaxSdivfex9qKZkLCUUUJDbUnoSe06DGEaFgyu8rWKmGf8jjroAbxav vPYeCIG8bhX7yln84NRbSTNlksTAVsFxqKsRX4E34jBwTROm5alXwyN8M3YDMrCGLywHHrghHtR9 hZcMjwrIHN7CQwk1CstABxYIW0au08TqX7gpJBRq2bEoZtp0OMmYDnuLofc/soYyNneQOd7YSfvf RnG13Fci0AX9IeO2BgmGeV87zmvQAZOKHUjhHg== ) ;; ADDITIONAL SECTION (27 records) b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 g.edu-servers.net. 172800 IN A 192.42.93.30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 j.edu-servers.net. 172800 IN A 192.48.79.30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 k.edu-servers.net. 172800 IN A 192.52.178.30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 m.edu-servers.net. 172800 IN A 192.55.83.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	Found child zone edu

edu

	Checking DS between . and edu
	Query to k.root-servers.net for edu/DS
	Received 367 bytes from 193.0.14.129
	;; Response received from 193.0.14.129 (367 octets) ;; HEADER SECTION ;; id = 64697 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; edu. IN DS ;; ANSWER SECTION (2 records) edu. 86400 IN DS ( 28065 8 2 4172496cde85534e51129040355bd04b1fcfebae996dfdde652006f6f8b2ce76 ) edu. 86400 IN RRSIG ( DS 8 1 86400 20220825050000 20220812040000 20826 . itxV/CfWsbXmqLn2+0mLtr10NyaSFqWCcymWa8I7tkc+NS+vjq8ZG3r12AnbUjdF4KWaqpPK/ySh l7v3HVhS7VKjaNHSGF4DqbaxSdivfex9qKZkLCUUUJDbUnoSe06DGEaFgyu8rWKmGf8jjroAbxav vPYeCIG8bhX7yln84NRbSTNlksTAVsFxqKsRX4E34jBwTROm5alXwyN8M3YDMrCGLywHHrghHtR9 hZcMjwrIHN7CQwk1CstABxYIW0au08TqX7gpJBRq2bEoZtp0OMmYDnuLofc/soYyNneQOd7YSfvf RnG13Fci0AX9IeO2BgmGeV87zmvQAZOKHUjhHg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Found 1 DS records for edu in the . zone
	DS=28065/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`edu. 86400 IN RRSIG ( DS 8 1 86400 20220825050000 20220812040000 20826 . itxV/CfWsbXmqLn2+0mLtr10NyaSFqWCcymWa8I7tkc+NS+vjq8ZG3r12AnbUjdF4KWaqpPK/ySh l7v3HVhS7VKjaNHSGF4DqbaxSdivfex9qKZkLCUUUJDbUnoSe06DGEaFgyu8rWKmGf8jjroAbxav vPYeCIG8bhX7yln84NRbSTNlksTAVsFxqKsRX4E34jBwTROm5alXwyN8M3YDMrCGLywHHrghHtR9 hZcMjwrIHN7CQwk1CstABxYIW0au08TqX7gpJBRq2bEoZtp0OMmYDnuLofc/soYyNneQOd7YSfvf RnG13Fci0AX9IeO2BgmGeV87zmvQAZOKHUjhHg== )`
	RRSIG=20826 and DNSKEY=20826 verifies the DS RRset
	DS=28065/SHA-256 is now in the chain-of-trust
	`edu. 86400 IN DS ( 28065 8 2 4172496cde85534e51129040355bd04b1fcfebae996dfdde652006f6f8b2ce76 )`
	Query to j.edu-servers.net for edu/DNSKEY
	Received 775 bytes from 192.48.79.30
	;; Response received from 192.48.79.30 (775 octets) ;; HEADER SECTION ;; id = 27790 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 3 nscount = 0 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (3 records) edu. 86400 IN DNSKEY ( 257 3 8 AQOluvuVWACqSUX6EZr3d5YIIv13SDXBpDeGRCIET3T0l1wp0NprtJhfc1YVehIlNqucijLnEhSL N2i0Txnh3bU5aQJLRf/qm21etL35ozAIlnfSgY5D0nxLPoBIRq++8Mxvr+2YCSRaCNyrqaU4TnHa PiHLuKe7sGyHQ8K8rXst7HxF5zgG+gIeytYIxpy4/bAaKCNVvGaYHxuNSBJBiYSrxjiZk268EP6E 3T+bSdi2HepB3ZuBWyOewsmHO8aoHmzIH049vBNI7iFZByRKY9yAJ8TshANtiUHHwAF7JJtWLW9o O10BqygYG+zS4weKGtkcNpzOUDWs41FWM8aFs4L1 ) ; Key ID = 28065 edu. 86400 IN DNSKEY ( 256 3 8 AQOnAazLOMlaUkbkVqMq8wuv9vY54uN08x5hfAhJPDW4pPf4NbKfeECcf4z+JF1EKe6289nOqkyj zoWGnnraW312ASeDVCFu9s8jhBXyVjbYtrIGrIIWragQLx0S5mg2L72LmzVb2wrom4wmCbbSQaH4 lWqYLScYpABiTacZTg+Hv61i/8m+ihrzfG2Z2mZpyFWf4EXyumoZZFJoG+uC49px ) ; Key ID = 18290 edu. 86400 IN RRSIG ( DNSKEY 8 1 86400 20220817185303 20220802184803 28065 edu. TR/zAsKl9KNpf7SyUZNBwc/f7i0N6b9owy/2bFsIXy0EhxgRuXixwnR7eKLVG0E3qZrP3cfm1gjX pMYpbBIBJAv3LRMzePM+DzZyciUWA27grzFjjBDwJ78L71iqGQDhFRzNd82Rk/iHcAZ8ER6Bre8g sjGsy4CR+qHrlDtNR4ZdFeaoKBqzSy7xgB4mKSwNCby6sPJY4IaOU4zA9461L3OmikNy02PYN29W mcNcMmJ3QfGLiQ6MPiQVG+MoC1JCyJ+F0gOo1QCU12wbdUbmD0EIkt2GvZFqd/6r5g2oXROw7XrU j/xbNGGsC8H9H/04A9oMtjAhsX+tJSQoq418qg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	Found 2 DNSKEY records for edu
	`edu. 86400 IN DNSKEY ( 257 3 8 AQOluvuVWACqSUX6EZr3d5YIIv13SDXBpDeGRCIET3T0l1wp0NprtJhfc1YVehIlNqucijLnEhSL N2i0Txnh3bU5aQJLRf/qm21etL35ozAIlnfSgY5D0nxLPoBIRq++8Mxvr+2YCSRaCNyrqaU4TnHa PiHLuKe7sGyHQ8K8rXst7HxF5zgG+gIeytYIxpy4/bAaKCNVvGaYHxuNSBJBiYSrxjiZk268EP6E 3T+bSdi2HepB3ZuBWyOewsmHO8aoHmzIH049vBNI7iFZByRKY9yAJ8TshANtiUHHwAF7JJtWLW9o O10BqygYG+zS4weKGtkcNpzOUDWs41FWM8aFs4L1 ) ; Key ID = 28065`
	`edu. 86400 IN DNSKEY ( 256 3 8 AQOnAazLOMlaUkbkVqMq8wuv9vY54uN08x5hfAhJPDW4pPf4NbKfeECcf4z+JF1EKe6289nOqkyj zoWGnnraW312ASeDVCFu9s8jhBXyVjbYtrIGrIIWragQLx0S5mg2L72LmzVb2wrom4wmCbbSQaH4 lWqYLScYpABiTacZTg+Hv61i/8m+ihrzfG2Z2mZpyFWf4EXyumoZZFJoG+uC49px ) ; Key ID = 18290`
	DNSKEY=28065/SEP is now in the chain-of-trust
	DS=28065/SHA-256 verifies DNSKEY=28065/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`edu. 86400 IN RRSIG ( DNSKEY 8 1 86400 20220817185303 20220802184803 28065 edu. TR/zAsKl9KNpf7SyUZNBwc/f7i0N6b9owy/2bFsIXy0EhxgRuXixwnR7eKLVG0E3qZrP3cfm1gjX pMYpbBIBJAv3LRMzePM+DzZyciUWA27grzFjjBDwJ78L71iqGQDhFRzNd82Rk/iHcAZ8ER6Bre8g sjGsy4CR+qHrlDtNR4ZdFeaoKBqzSy7xgB4mKSwNCby6sPJY4IaOU4zA9461L3OmikNy02PYN29W mcNcMmJ3QfGLiQ6MPiQVG+MoC1JCyJ+F0gOo1QCU12wbdUbmD0EIkt2GvZFqd/6r5g2oXROw7XrU j/xbNGGsC8H9H/04A9oMtjAhsX+tJSQoq418qg== )`
	RRSIG=28065 and DNSKEY=28065/SEP verifies the DNSKEY RRset
	DNSKEY=18290 is now in the chain-of-trust
	Query to e.edu-servers.net for usc.edu/A
	Received 653 bytes from 192.12.94.30
	;; Response received from 192.12.94.30 (653 octets) ;; HEADER SECTION ;; id = 8868 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 6 arcount = 3 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; usc.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) usc.edu. 172800 IN NS ns5.usc.edu. usc.edu. 172800 IN NS ns6.usc.edu. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 86400 IN NSEC3 ( 1 1 0 - 9dql407ijb4jhadmf7cjmufnqmr4df7m NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 86400 IN RRSIG ( NSEC3 8 2 86400 20220817061105 20220810050105 18290 edu. BfPDjqURHUXJ3REwIFhbKNuPppqq1cLH7JqV6fqAWmg5tgjsztZgI2KnHH5dKH2xEQOXBXGt5gWu XRwtTOisJr3DZ/gMjbbJa7v2N7ErkgTpl/EpNSbj/oxEQ+rKqkB849R9yPECOo3mLYpN2GMxQqgR PxIJz437xAN6/ktYp5fJTCUTB1AIX1KlK/XK0CrGxDk9KGKDikDV9zwjOzYB1w== ) 45TUSM0LC7HP6NT68VP3COE0EVAV7COD.edu. 86400 IN NSEC3 ( 1 1 0 - 4rill75e0iv4h95foske920flo57kj6q NS DS RRSIG ) 45TUSM0LC7HP6NT68VP3COE0EVAV7COD.edu. 86400 IN RRSIG ( NSEC3 8 2 86400 20220817230020 20220810215020 18290 edu. lA0NkCLDtFmV9a/oNrYx/SpJueKd1gzPU3lgf7Owt9qyNc7wywEF2/E2Y2WLXImgU9DhZP037zxs rM+MoopB6hBEjiXsKGlrJi2NFo3J6AVKO1uhY8aGknNvZUsQwHigAgl1AlOIMcCcIX3L5dC0uIVt o8CANuBpmdFVaPe3cc5RO+wexhLWLRqXvWRYodbPVk58lr+IBdvHV1arsyAqOA== ) ;; ADDITIONAL SECTION (3 records) ns5.usc.edu. 172800 IN A 68.181.72.12 ns6.usc.edu. 172800 IN A 68.181.76.13 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	Query to l.edu-servers.net for usc.edu/DNSKEY
	Received 653 bytes from 192.41.162.30
	;; Response received from 192.41.162.30 (653 octets) ;; HEADER SECTION ;; id = 9468 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 6 arcount = 3 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; usc.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) usc.edu. 172800 IN NS ns5.usc.edu. usc.edu. 172800 IN NS ns6.usc.edu. 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 86400 IN NSEC3 ( 1 1 0 - 9dql407ijb4jhadmf7cjmufnqmr4df7m NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 86400 IN RRSIG ( NSEC3 8 2 86400 20220817061105 20220810050105 18290 edu. BfPDjqURHUXJ3REwIFhbKNuPppqq1cLH7JqV6fqAWmg5tgjsztZgI2KnHH5dKH2xEQOXBXGt5gWu XRwtTOisJr3DZ/gMjbbJa7v2N7ErkgTpl/EpNSbj/oxEQ+rKqkB849R9yPECOo3mLYpN2GMxQqgR PxIJz437xAN6/ktYp5fJTCUTB1AIX1KlK/XK0CrGxDk9KGKDikDV9zwjOzYB1w== ) 45TUSM0LC7HP6NT68VP3COE0EVAV7COD.edu. 86400 IN NSEC3 ( 1 1 0 - 4rill75e0iv4h95foske920flo57kj6q NS DS RRSIG ) 45TUSM0LC7HP6NT68VP3COE0EVAV7COD.edu. 86400 IN RRSIG ( NSEC3 8 2 86400 20220817230020 20220810215020 18290 edu. lA0NkCLDtFmV9a/oNrYx/SpJueKd1gzPU3lgf7Owt9qyNc7wywEF2/E2Y2WLXImgU9DhZP037zxs rM+MoopB6hBEjiXsKGlrJi2NFo3J6AVKO1uhY8aGknNvZUsQwHigAgl1AlOIMcCcIX3L5dC0uIVt o8CANuBpmdFVaPe3cc5RO+wexhLWLRqXvWRYodbPVk58lr+IBdvHV1arsyAqOA== ) ;; ADDITIONAL SECTION (3 records) ns5.usc.edu. 172800 IN A 68.181.72.12 ns6.usc.edu. 172800 IN A 68.181.76.13 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	Found child zone usc.edu

usc.edu

	Checking DS between edu and usc.edu
	Query to i.edu-servers.net for usc.edu/DS
	Received 855 bytes from 192.43.172.30
	;; Response received from 192.43.172.30 (855 octets) ;; HEADER SECTION ;; id = 3044 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 6 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; usc.edu. IN DS ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 86400 IN NSEC3 ( 1 1 0 - 9dql407ijb4jhadmf7cjmufnqmr4df7m NS SOA RRSIG DNSKEY NSEC3PARAM ) 9DHS4EP5G85PF9NUFK06HEK0O48QGK77.edu. 86400 IN RRSIG ( NSEC3 8 2 86400 20220817061105 20220810050105 18290 edu. BfPDjqURHUXJ3REwIFhbKNuPppqq1cLH7JqV6fqAWmg5tgjsztZgI2KnHH5dKH2xEQOXBXGt5gWu XRwtTOisJr3DZ/gMjbbJa7v2N7ErkgTpl/EpNSbj/oxEQ+rKqkB849R9yPECOo3mLYpN2GMxQqgR PxIJz437xAN6/ktYp5fJTCUTB1AIX1KlK/XK0CrGxDk9KGKDikDV9zwjOzYB1w== ) edu. 900 IN SOA ( a.edu-servers.net. nstld.verisign-grs.com. 1660308122 ;serial 1800 ;refresh 900 ;retry 604800 ;expire 86400 ;minimum ) edu. 900 IN RRSIG ( SOA 8 1 900 20220819124202 20220812113202 18290 edu. fLTZosGWNlCl6z5DQs30mw0/AFMzm8yy1AQlEGasjV6CG/L8u516we9VGDuJBeDaN/CyhDKWKAtv 8d27WfCjRAPbM+9jq0P9+UTvJ00mhb31YCGCLC4RHfT6TOHl+EQG6L5HPGCEgEDZ5FBdSAd1U1YR MTvI1gaN2Y2tM2hO8iQDf85YOE6TB1RFKm6pKf4piQgA72shdtcaz+vNH6HfuA== ) 45TUSM0LC7HP6NT68VP3COE0EVAV7COD.edu. 86400 IN NSEC3 ( 1 1 0 - 4rill75e0iv4h95foske920flo57kj6q NS DS RRSIG ) 45TUSM0LC7HP6NT68VP3COE0EVAV7COD.edu. 86400 IN RRSIG ( NSEC3 8 2 86400 20220817230020 20220810215020 18290 edu. lA0NkCLDtFmV9a/oNrYx/SpJueKd1gzPU3lgf7Owt9qyNc7wywEF2/E2Y2WLXImgU9DhZP037zxs rM+MoopB6hBEjiXsKGlrJi2NFo3J6AVKO1uhY8aGknNvZUsQwHigAgl1AlOIMcCcIX3L5dC0uIVt o8CANuBpmdFVaPe3cc5RO+wexhLWLRqXvWRYodbPVk58lr+IBdvHV1arsyAqOA== ) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	No DS records found for usc.edu in the edu zone
	Query to ns6.usc.edu for usc.edu/DNSKEY
	Received 81 bytes from 68.181.76.13
	;; Response received from 68.181.76.13 (81 octets) ;; HEADER SECTION ;; id = 1094 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 1 arcount = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; usc.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) usc.edu. 3600 IN SOA ( ns5.usc.edu. root.usc.edu. 657192607 ;serial 3600 ;refresh 1800 ;retry 360000 ;expire 3600 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	No DNSKEY records found
	Query to ns6.usc.edu for usc.edu/A
	Received 170 bytes from 68.181.76.13
	;; Response received from 68.181.76.13 (170 octets) ;; HEADER SECTION ;; id = 21738 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 3 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; usc.edu. IN A ;; ANSWER SECTION (2 records) usc.edu. 10 IN A 68.181.8.136 usc.edu. 10 IN A 50.59.171.118 ;; AUTHORITY SECTION (3 records) usc.edu. 86400 IN NS ns7.usc.edu. usc.edu. 86400 IN NS ns5.usc.edu. usc.edu. 86400 IN NS ns6.usc.edu. ;; ADDITIONAL SECTION (4 records) ns5.usc.edu. 3600 IN A 68.181.72.12 ns7.usc.edu. 3600 IN A 50.59.169.146 ns6.usc.edu. 3600 IN A 68.181.76.13 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	ns6.usc.edu is authoritative for usc.edu
	Query to ns7.usc.edu for usc.edu/SOA
	Received 179 bytes from 50.59.169.146
	;; Response received from 50.59.169.146 (179 octets) ;; HEADER SECTION ;; id = 54273 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 3 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; usc.edu. IN SOA ;; ANSWER SECTION (1 record) usc.edu. 3600 IN SOA ( ns5.usc.edu. root.usc.edu. 657192607 ;serial 3600 ;refresh 1800 ;retry 360000 ;expire 3600 ;minimum ) ;; AUTHORITY SECTION (3 records) usc.edu. 86400 IN NS ns7.usc.edu. usc.edu. 86400 IN NS ns5.usc.edu. usc.edu. 86400 IN NS ns6.usc.edu. ;; ADDITIONAL SECTION (4 records) ns5.usc.edu. 3600 IN A 68.181.72.12 ns7.usc.edu. 3600 IN A 50.59.169.146 ns6.usc.edu. 3600 IN A 68.181.76.13 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Query to ns5.usc.edu for usc.edu/SOA
	Received 179 bytes from 68.181.72.12
	;; Response received from 68.181.72.12 (179 octets) ;; HEADER SECTION ;; id = 41743 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 1 nscount = 3 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; usc.edu. IN SOA ;; ANSWER SECTION (1 record) usc.edu. 3600 IN SOA ( ns5.usc.edu. root.usc.edu. 657192607 ;serial 3600 ;refresh 1800 ;retry 360000 ;expire 3600 ;minimum ) ;; AUTHORITY SECTION (3 records) usc.edu. 86400 IN NS ns6.usc.edu. usc.edu. 86400 IN NS ns7.usc.edu. usc.edu. 86400 IN NS ns5.usc.edu. ;; ADDITIONAL SECTION (4 records) ns5.usc.edu. 3600 IN A 68.181.72.12 ns7.usc.edu. 3600 IN A 50.59.169.146 ns6.usc.edu. 3600 IN A 68.181.76.13 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Query to ns6.usc.edu for usc.edu/A
	Received 170 bytes from 68.181.76.13
	;; Response received from 68.181.76.13 (170 octets) ;; HEADER SECTION ;; id = 49792 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 3 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; usc.edu. IN A ;; ANSWER SECTION (2 records) usc.edu. 10 IN A 50.59.171.118 usc.edu. 10 IN A 68.181.8.136 ;; AUTHORITY SECTION (3 records) usc.edu. 86400 IN NS ns5.usc.edu. usc.edu. 86400 IN NS ns6.usc.edu. usc.edu. 86400 IN NS ns7.usc.edu. ;; ADDITIONAL SECTION (4 records) ns5.usc.edu. 3600 IN A 68.181.72.12 ns7.usc.edu. 3600 IN A 50.59.169.146 ns6.usc.edu. 3600 IN A 68.181.76.13 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	usc.edu A RR has value 50.59.171.118
	usc.edu A RR has value 68.181.8.136
	No RRSIGs found

usc.edu

	Query to ns5.usc.edu for usc.edu/A
	Received 170 bytes from 68.181.72.12
	;; Response received from 68.181.72.12 (170 octets) ;; HEADER SECTION ;; id = 52434 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 3 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; usc.edu. IN A ;; ANSWER SECTION (2 records) usc.edu. 10 IN A 68.181.8.136 usc.edu. 10 IN A 50.59.171.118 ;; AUTHORITY SECTION (3 records) usc.edu. 86400 IN NS ns6.usc.edu. usc.edu. 86400 IN NS ns7.usc.edu. usc.edu. 86400 IN NS ns5.usc.edu. ;; ADDITIONAL SECTION (4 records) ns5.usc.edu. 3600 IN A 68.181.72.12 ns7.usc.edu. 3600 IN A 50.59.169.146 ns6.usc.edu. 3600 IN A 68.181.76.13 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	ns5.usc.edu is authoritative for usc.edu
	Query to ns5.usc.edu for usc.edu/A
	Received 170 bytes from 68.181.72.12
	;; Response received from 68.181.72.12 (170 octets) ;; HEADER SECTION ;; id = 32509 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 3 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; usc.edu. IN A ;; ANSWER SECTION (2 records) usc.edu. 10 IN A 68.181.8.136 usc.edu. 10 IN A 50.59.171.118 ;; AUTHORITY SECTION (3 records) usc.edu. 86400 IN NS ns5.usc.edu. usc.edu. 86400 IN NS ns7.usc.edu. usc.edu. 86400 IN NS ns6.usc.edu. ;; ADDITIONAL SECTION (4 records) ns5.usc.edu. 3600 IN A 68.181.72.12 ns7.usc.edu. 3600 IN A 50.59.169.146 ns6.usc.edu. 3600 IN A 68.181.76.13 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	usc.edu A RR has value 68.181.8.136
	usc.edu A RR has value 50.59.171.118
	No RRSIGs found

usc.edu

	Query to ns7.usc.edu for usc.edu/A
	Received 170 bytes from 50.59.169.146
	;; Response received from 50.59.169.146 (170 octets) ;; HEADER SECTION ;; id = 49714 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 3 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; usc.edu. IN A ;; ANSWER SECTION (2 records) usc.edu. 10 IN A 68.181.8.136 usc.edu. 10 IN A 50.59.171.118 ;; AUTHORITY SECTION (3 records) usc.edu. 86400 IN NS ns7.usc.edu. usc.edu. 86400 IN NS ns6.usc.edu. usc.edu. 86400 IN NS ns5.usc.edu. ;; ADDITIONAL SECTION (4 records) ns5.usc.edu. 3600 IN A 68.181.72.12 ns7.usc.edu. 3600 IN A 50.59.169.146 ns6.usc.edu. 3600 IN A 68.181.76.13 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	ns7.usc.edu is authoritative for usc.edu
	Query to ns7.usc.edu for usc.edu/A
	Received 170 bytes from 50.59.169.146
	;; Response received from 50.59.169.146 (170 octets) ;; HEADER SECTION ;; id = 57241 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 3 arcount = 4 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; usc.edu. IN A ;; ANSWER SECTION (2 records) usc.edu. 10 IN A 68.181.8.136 usc.edu. 10 IN A 50.59.171.118 ;; AUTHORITY SECTION (3 records) usc.edu. 86400 IN NS ns5.usc.edu. usc.edu. 86400 IN NS ns6.usc.edu. usc.edu. 86400 IN NS ns7.usc.edu. ;; ADDITIONAL SECTION (4 records) ns5.usc.edu. 3600 IN A 68.181.72.12 ns7.usc.edu. 3600 IN A 50.59.169.146 ns6.usc.edu. 3600 IN A 68.181.76.13 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	usc.edu A RR has value 68.181.8.136
	usc.edu A RR has value 50.59.171.118
	No RRSIGs found

Move your mouse over any or symbols for remediation hints.

Want a second opinion? Test usc.edu at dnsviz.net.

DNSSEC Analyzer

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: