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DNSViz: A DNS visualization tool

syr.edu

Updated: 2024-06-10 19:52:52 UTC (33 days ago) Update now
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DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (5)
  • syr.edu/A
  • syr.edu/MX
  • syr.edu/NS
  • syr.edu/SOA
  • syr.edu/TXT
Secure (2)
  • edu/SOA
  • edu/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 5613)
  • NSEC3 proving non-existence of syr.edu/DS
  • edu/DNSKEY (alg 13, id 35663)
  • edu/DNSKEY (alg 13, id 41543)
  • edu/DS (alg 13, id 35663)

Delegation statusDelegation status

Insecure (1)
  • edu to syr.edu
Secure (1)
  • . to edu

NoticesNotices

Errors (3)
  • syr.edu zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2620:4e:0:12::8, 2620:4e:0:12::9, 2620:4e:0:100::7, 2620:4e:0:100:32::38)
  • syr.edu/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2620:4e:0:12::8, 2620:4e:0:12::9, 2620:4e:0:100::7, 2620:4e:0:100:32::38, UDP_-_NOEDNS_)
  • syr.edu/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2620:4e:0:12::8, 2620:4e:0:12::9, 2620:4e:0:100::7, 2620:4e:0:100:32::38, UDP_-_NOEDNS_)
Warnings (3)
  • edu to syr.edu: Authoritative AAAA records exist for ns1.syr.edu, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • edu to syr.edu: Authoritative AAAA records exist for ns2.syr.edu, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • edu to syr.edu: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the edu zone): lurch.syr.edu, icarus.syr.edu, its-ndd-sc-extns-01.syr.edu, lurch.cns.syr.edu, its-ndd-nc-extns-01.syr.edu See RFC 1034, Sec. 4.2.2.

DNSKEY legend

Full legend
SEP bit setSEP bit set
Revoke bit setRevoke bit set
Trust anchorTrust anchor
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DNSSEC authentication graph