facebook.com
Updated:
2021-10-04 19:35:08 UTC (1147 days ago)
Go to most recent »
Notices
DNSSEC Authentication Chain
RRset status
Secure (2)
- com/SOA
- com/SOA
DNSKEY/DS/NSEC status
Secure (7)
- ./DNSKEY (alg 8, id 14748)
- ./DNSKEY (alg 8, id 20326)
- ./DNSKEY (alg 8, id 26838)
- NSEC3 proving non-existence of facebook.com/DS
- com/DNSKEY (alg 8, id 30909)
- com/DNSKEY (alg 8, id 39343)
- com/DS (alg 8, id 30909)
Delegation status
Lame (1)
- com to facebook.com
Secure (1)
- . to com
Notices
Errors (4)
- facebook.com zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (129.134.30.12, 129.134.31.12, 185.89.218.12, 185.89.219.12, 2a03:2880:f0fc:c:face:b00c:0:35, 2a03:2880:f0fd:c:face:b00c:0:35, 2a03:2880:f1fc:c:face:b00c:0:35, 2a03:2880:f1fd:c:face:b00c:0:35)
- facebook.com zone: There was an error resolving the following NS name(s) to address(es): a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com, d.ns.facebook.com
- facebook.com/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (129.134.30.12, 129.134.31.12, 185.89.218.12, 185.89.219.12, 2a03:2880:f0fc:c:face:b00c:0:35, 2a03:2880:f0fd:c:face:b00c:0:35, 2a03:2880:f1fc:c:face:b00c:0:35, 2a03:2880:f1fd:c:face:b00c:0:35, UDP_-_NOEDNS_)
- facebook.com/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (129.134.30.12, 129.134.31.12, 185.89.218.12, 185.89.219.12, 2a03:2880:f0fc:c:face:b00c:0:35, 2a03:2880:f0fd:c:face:b00c:0:35, 2a03:2880:f1fc:c:face:b00c:0:35, 2a03:2880:f1fd:c:face:b00c:0:35, UDP_-_NOEDNS_)
Warnings (2)
- com/DS (alg 8, id 30909): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (193.0.14.129, UDP_-_EDNS0_4096_D_KN)
- com/DS (alg 8, id 30909): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (193.0.14.129, UDP_-_EDNS0_4096_D_KN)
JavaScript is required to make the graph below interactive.
