blackboard.com
Updated:
2023-04-30 18:46:44 UTC (974 days ago)
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Notices
DNSSEC Authentication Chain
RRset status
Secure (6)
- blackboard.com/A
- blackboard.com/MX
- blackboard.com/NS
- blackboard.com/NSEC3PARAM
- blackboard.com/SOA
- blackboard.com/TXT
DNSKEY/DS/NSEC status
Secure (9)
- ./DNSKEY (alg 8, id 20326)
- ./DNSKEY (alg 8, id 60955)
- blackboard.com/DNSKEY (alg 8, id 45456)
- blackboard.com/DNSKEY (alg 8, id 53317)
- blackboard.com/DNSKEY (alg 8, id 54573)
- blackboard.com/DS (alg 8, id 53317)
- com/DNSKEY (alg 8, id 30909)
- com/DNSKEY (alg 8, id 46551)
- com/DS (alg 8, id 30909)
Delegation status
Secure (2)
- . to com
- com to blackboard.com
Notices
Errors (10)
- RRSIG blackboard.com/DNSKEY alg 8, id 45456: With a TTL of 302400 the RRSIG RR can be in the cache of a non-validating resolver until 12 minutes after it expires at 2023-05-04 06:33:58+00:00. See RFC 4035, Sec. 5.3.3.
- RRSIG blackboard.com/DNSKEY alg 8, id 45456: With a TTL of 302400 the RRSIG RR can be in the cache of a non-validating resolver until 12 minutes after it expires at 2023-05-04 06:33:58+00:00. See RFC 4035, Sec. 5.3.3.
- RRSIG blackboard.com/DNSKEY alg 8, id 45456: With a TTL of 302400 the RRSIG RR can be in the cache of a non-validating resolver until 12 minutes after it expires at 2023-05-04 06:33:58+00:00. See RFC 4035, Sec. 5.3.3.
- RRSIG blackboard.com/DNSKEY alg 8, id 53317: With a TTL of 302400 the RRSIG RR can be in the cache of a non-validating resolver until 12 minutes after it expires at 2023-05-04 06:33:58+00:00. See RFC 4035, Sec. 5.3.3.
- RRSIG blackboard.com/DNSKEY alg 8, id 53317: With a TTL of 302400 the RRSIG RR can be in the cache of a non-validating resolver until 12 minutes after it expires at 2023-05-04 06:33:58+00:00. See RFC 4035, Sec. 5.3.3.
- RRSIG blackboard.com/DNSKEY alg 8, id 53317: With a TTL of 302400 the RRSIG RR can be in the cache of a non-validating resolver until 12 minutes after it expires at 2023-05-04 06:33:58+00:00. See RFC 4035, Sec. 5.3.3.
- epa5rj9zu3.blackboard.com/A has errors; select the "Denial of existence" DNSSEC option to see them.
- blackboard.com/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
- blackboard.com/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
- blackboard.com/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
- epa5rj9zu3.blackboard.com/A has warnings; select the "Denial of existence" DNSSEC option to see them.
- blackboard.com/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
- blackboard.com/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
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