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DNSViz: A DNS visualization tool

villanova.edu

Updated: 2021-05-01 16:30:33 UTC (149 days ago) Update now
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DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

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

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 14631)
  • ./DNSKEY (alg 8, id 20326)
  • NSEC3 proving non-existence of villanova.edu/DS
  • edu/DNSKEY (alg 8, id 28065)
  • edu/DNSKEY (alg 8, id 63587)
  • edu/DS (alg 8, id 28065)

Delegation statusDelegation status

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

NoticesNotices

Errors (5)
  • villanova.edu zone: The server(s) were not responsive to queries over TCP. (4.2.49.3, 4.2.49.4)
  • villanova.edu zone: The server(s) were not responsive to queries over UDP. (153.104.1.2, 153.104.1.132)
  • villanova.edu/A: No response was received from the server over UDP (tried 12 times). (153.104.1.2, 153.104.1.132, UDP_-_NOEDNS_)
  • villanova.edu/NS: No response was received from the server over UDP (tried 12 times). (153.104.1.2, 153.104.1.132, UDP_-_NOEDNS_)
  • villanova.edu/SOA: No response was received from the server over TCP (tried 3 times). (4.2.49.3, 4.2.49.4, TCP_-_EDNS0_4096_D_N)
Warnings (2)
  • edu to villanova.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): ns1.villanova.edu, dnsauth1.level3.net, dnsauth2.level3.net, dnsauth3.level3.net, ns2.villanova.edu
  • edu to villanova.edu: The following NS name(s) were found in the delegation NS RRset (i.e., in the edu zone), but not in the authoritative NS RRset: dnsauth2.sys.gtei.net, dnsauth3.sys.gtei.net

DNSKEY legend

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