isc.org
Updated:
2021-09-17 09:43:59 UTC (1165 days ago)
Go to most recent »
Notices
DNSSEC Authentication Chain
RRset status
Secure (6)
- isc.org/A
- isc.org/AAAA
- isc.org/MX
- isc.org/NS
- isc.org/SOA
- isc.org/TXT
DNSKEY/DS/NSEC status
Secure (9)
- ./DNSKEY (alg 8, id 20326)
- ./DNSKEY (alg 8, id 26838)
- isc.org/DNSKEY (alg 13, id 27566)
- isc.org/DNSKEY (alg 13, id 7250)
- isc.org/DS (alg 13, id 7250)
- org/DNSKEY (alg 8, id 26974)
- org/DNSKEY (alg 8, id 39681)
- org/DNSKEY (alg 8, id 6555)
- org/DS (alg 8, id 26974)
Delegation status
Secure (2)
- . to org
- org to isc.org
Notices
Errors (4)
- isc.org zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2001:500:2c::254)
- isc.org/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2001:500:2c::254, UDP_-_NOEDNS_)
- isc.org/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2001:500:2c::254, UDP_-_NOEDNS_)
- org zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2001:500:c::1)
Warnings (8)
- isc.org/DS (alg 13, id 7250): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (199.19.53.1, UDP_-_EDNS0_4096_D_KN)
- isc.org/DS (alg 13, id 7250): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (199.19.53.1, UDP_-_EDNS0_4096_D_KN)
- org to isc.org: Authoritative AAAA records exist for ns3.isc.org, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
- org/DNSKEY (alg 8, id 26974): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (199.19.53.1, UDP_-_EDNS0_4096_D_KN)
- org/DNSKEY (alg 8, id 39681): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (199.19.53.1, UDP_-_EDNS0_4096_D_KN)
- org/DNSKEY (alg 8, id 6555): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (199.19.53.1, UDP_-_EDNS0_4096_D_KN)
- org/DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (199.19.53.1, UDP_-_EDNS0_512_D_KN)
- isc.org/DS has warnings; select the "Denial of existence" DNSSEC option to see them.
JavaScript is required to make the graph below interactive.
