cornell.edu | DNSViz

cornell.edu

Updated: 2021-12-02 18:20:50 UTC (868 days ago) Go to most recent »

DNSSEC options (hide)

|?| RR types:
|?| DNSSEC algorithms:
|?| DS digest algorithms:
|?| Denial of existence:
|?| Redundant edges:
|?| Trust anchors:
- Root zone KSK
|?| Additional trusted keys:

Notices

DNSSEC Authentication Chain

RRset status

Insecure (5)

cornell.edu/A
cornell.edu/MX
cornell.edu/NS
cornell.edu/SOA
cornell.edu/TXT

Secure (2)

edu/SOA
edu/SOA

DNSKEY/DS/NSEC status

Secure (6)

./DNSKEY (alg 8, id 14748)
./DNSKEY (alg 8, id 20326)
NSEC3 proving non-existence of cornell.edu/DS
edu/DNSKEY (alg 8, id 28065)
edu/DNSKEY (alg 8, id 48248)
edu/DS (alg 8, id 28065)

Delegation status

Insecure (1)

edu to cornell.edu

Secure (1)

. to edu

Notices

Errors (3)

cornell.edu zone: The server(s) were not responsive to queries over UDP. (192.195.74.252)
cornell.edu/A: No response was received from the server over UDP (tried 12 times). (192.195.74.252, UDP_-_NOEDNS_)
cornell.edu/NS: No response was received from the server over UDP (tried 12 times). (192.195.74.252, UDP_-_NOEDNS_)

Warnings (1)

edu to cornell.edu: The glue address(es) for drdns.cit.cornell.edu (192.195.74.252) differed from its authoritative address(es) (52.152.185.125).

DNSKEY legend

Full legend

	SEP bit set
	Revoke bit set
	Trust anchor

See also

DNSSEC Debugger by Verisign Labs.

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DNSSEC authentication graph