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Domain Name: Detail: more(+) / less(-) Time: 2019-04-22 06:28:51 UTC, NTP stratum 4

Analyzing DNSSEC problems for IRS.GOV

.
Found 2 DNSKEY records for .
DS=20326/SHA-256 verifies DNSKEY=20326/SEP
Found 1 RRSIGs over DNSKEY RRset
RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
GOV
Found 2 DS records for GOV in the . zone
DS=7698/SHA-1 has algorithm RSASHA256
DS=7698/SHA-256 has algorithm RSASHA256
Found 1 RRSIGs over DS RRset
RRSIG=25266 and DNSKEY=25266 verifies the DS RRset
Found 2 DNSKEY records for GOV
DS=7698/SHA-1 verifies DNSKEY=7698/SEP
Found 1 RRSIGs over DNSKEY RRset
RRSIG=7698 and DNSKEY=7698/SEP verifies the DNSKEY RRset
IRS.GOV
Found 1 DS records for IRS.GOV in the GOV zone
DS=37739/SHA-256 has algorithm RSASHA256
Found 1 RRSIGs over DS RRset
RRSIG=43583 and DNSKEY=43583 verifies the DS RRset
Found 4 DNSKEY records for IRS.GOV
DS=37739/SHA-256 verifies DNSKEY=37739/SEP
Found 1 RRSIGs over DNSKEY RRset
RRSIG=37739 and DNSKEY=37739/SEP verifies the DNSKEY RRset
ns3.IRS.GOV serial (2010087480) differs from ns4.IRS.GOV serial (2010087482)
ns2.IRS.GOV serial (2010087489) differs from ns4.IRS.GOV serial (2010087482)
ns1.IRS.GOV serial (2010087489) differs from ns4.IRS.GOV serial (2010087482)
IRS.GOV A RR has value 152.216.7.110
Found 1 RRSIGs over A RRset
RRSIG=38169 is expired
None of the 1 RRSIG and 4 DNSKEY records validate the A RRset
The A RRset was not signed by any keys in the chain-of-trust

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