polytechnique.edu | DNSViz

polytechnique.edu

Updated: 2021-12-30 15:43:31 UTC (857 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)

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

Secure (2)

edu/SOA
edu/SOA

DNSKEY/DS/NSEC status

Secure (7)

./DNSKEY (alg 8, id 14748)
./DNSKEY (alg 8, id 20326)
./DNSKEY (alg 8, id 9799)
NSEC3 proving non-existence of polytechnique.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 polytechnique.edu

Secure (1)

. to edu

Notices

Errors (3)

polytechnique.edu zone: The server(s) were not responsive to queries over UDP. (129.104.7.41, 129.104.30.41, 129.104.32.41)
polytechnique.edu/A: No response was received from the server over UDP (tried 12 times). (129.104.7.41, 129.104.30.41, 129.104.32.41, UDP_-_NOEDNS_)
polytechnique.edu/NS: No response was received from the server over UDP (tried 12 times). (129.104.7.41, 129.104.30.41, 129.104.32.41, UDP_-_NOEDNS_)

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