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Domain Name: Detail: more(+) / less(-) Time: 2026-03-14 18:44:25 UTC

Analyzing DNSSEC problems for comcast.net

.
Found 3 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
net
Found 1 DS records for net in the . zone
DS=37331/SHA-256 has algorithm ECDSAP256SHA256
Found 1 RRSIGs over DS RRset
RRSIG=21831 and DNSKEY=21831 verifies the DS RRset
Found 2 DNSKEY records for net
DS=37331/SHA-256 verifies DNSKEY=37331/SEP
Found 1 RRSIGs over DNSKEY RRset
RRSIG=37331 and DNSKEY=37331/SEP verifies the DNSKEY RRset
comcast.net
Found 2 DS records for comcast.net in the net zone
DS=40909/SHA-1 uses a deprecated digest algorithm
DS=40909/SHA-256 has algorithm RSASHA1
DS=40909/SHA-1 has algorithm RSASHA1
Found 1 RRSIGs over DS RRset
RRSIG=44109 and DNSKEY=44109 verifies the DS RRset
Found 2 DNSKEY records for comcast.net
DS=40909/SHA-256 verifies DNSKEY=40909/SEP
Found 2 RRSIGs over DNSKEY RRset
RRSIG=26550 and DNSKEY=26550 does not verify the DNSKEY RRset (libcrypto error (SEC.xs line 223)signature verification failed)
RRSIG=40909 and DNSKEY=40909/SEP does not verify the DNSKEY RRset (libcrypto error (SEC.xs line 223)signature verification failed)
None of the 2 RRSIG and 2 DNSKEY records validate the DNSKEY RRset
The DNSKEY RRset was not signed by any trusted keys
dns101.comcast.net is authoritative for comcast.net
comcast.net A RR has value 96.99.227.0
Found 1 RRSIGs over A RRset
RRSIG=26550 and DNSKEY=26550 does not verify the A RRset (libcrypto error (SEC.xs line 223)signature verification failed)
None of the 1 RRSIG and 2 DNSKEY records validate the A RRset
comcast.net
dns103.comcast.net is authoritative for comcast.net
comcast.net A RR has value 96.99.227.0
Found 1 RRSIGs over A RRset
RRSIG=26550 and DNSKEY=26550 does not verify the A RRset (libcrypto error (SEC.xs line 223)signature verification failed)
None of the 1 RRSIG and 2 DNSKEY records validate the A RRset
comcast.net
dns102.comcast.net is authoritative for comcast.net
comcast.net A RR has value 96.99.227.0
Found 1 RRSIGs over A RRset
RRSIG=26550 and DNSKEY=26550 does not verify the A RRset (libcrypto error (SEC.xs line 223)signature verification failed)
None of the 1 RRSIG and 2 DNSKEY records validate the A RRset
comcast.net
dns104.comcast.net is authoritative for comcast.net
comcast.net A RR has value 96.99.227.0
Found 1 RRSIGs over A RRset
RRSIG=26550 and DNSKEY=26550 does not verify the A RRset (libcrypto error (SEC.xs line 223)signature verification failed)
None of the 1 RRSIG and 2 DNSKEY records validate the A RRset
comcast.net
dns105.comcast.net is authoritative for comcast.net
comcast.net A RR has value 96.99.227.0
Found 1 RRSIGs over A RRset
RRSIG=26550 and DNSKEY=26550 does not verify the A RRset (libcrypto error (SEC.xs line 223)signature verification failed)
None of the 1 RRSIG and 2 DNSKEY records validate the A RRset

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Want a second opinion? Test comcast.net at dnsviz.net.

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