facebook.com | DNSViz

facebook.com

Updated: 2024-10-25 12:44:26 UTC (20 days ago) Go to most recent »

DNSSEC options (hide)

|?| RR types:
|?| DNSSEC algorithms:
|?| DS digest algorithms:
|?| Denial of existence:
|?| Redundant edges:
|?| Ignore RFC 8624:
|?| Ignore RFC 9276:
|?| Multi-signer:
|?| Trust anchors:
- Root zone KSK
|?| Additional trusted keys:

Notices

DNSSEC Authentication Chain

RRset status

Insecure (6)

facebook.com/A
facebook.com/AAAA
facebook.com/MX
facebook.com/NS
facebook.com/SOA
facebook.com/TXT

Secure (2)

com/SOA
com/SOA

DNSKEY/DS/NSEC status

Secure (6)

./DNSKEY (alg 8, id 20326)
./DNSKEY (alg 8, id 61050)
NSEC3 proving non-existence of facebook.com/DS
com/DNSKEY (alg 13, id 19718)
com/DNSKEY (alg 13, id 29942)
com/DS (alg 13, id 19718)

Delegation status

Insecure (1)

com to facebook.com

Secure (1)

. to com

Notices

Errors (3)

facebook.com zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2a03:2880:f0fc:c:face:b00c:0:35)
facebook.com/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2a03:2880:f0fc: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. (2a03:2880:f0fc:c:face:b00c:0:35, UDP_-_NOEDNS_)

DNSKEY legend

Full legend

	SEP bit set
	Revoke bit set
	Trust anchor

See also

DNSSEC Debugger by Verisign Labs.

Download: png | svg

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DNSSEC authentication graph