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DNSViz: A DNS visualization tool

stjohns.edu

Updated: 2018-03-18 03:20:14 UTC (368 days ago) Update now
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DNSSEC options (hide)
  1. |?|
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  3. |?|
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (6)
  • stjohns.edu/A
  • stjohns.edu/MX
  • stjohns.edu/NS
  • stjohns.edu/SOA
  • stjohns.edu/SOA
  • stjohns.edu/TXT
Secure (2)
  • edu/SOA
  • edu/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 19036)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 41824)
  • NSEC3 proving non-existence of stjohns.edu/DS
  • edu/DNSKEY (alg 8, id 14375)
  • edu/DNSKEY (alg 8, id 28065)
  • edu/DS (alg 8, id 28065)

Delegation statusDelegation status

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

NoticesNotices

Errors (12)
  • stjohns.edu zone: The server(s) responded over TCP with a malformed response or with an invalid RCODE. (66.28.0.30, 2001:550:1:b::d)
  • stjohns.edu zone: The server(s) responded over UDP with a malformed response or with an invalid RCODE. (66.28.0.30, 2001:550:1:b::d)
  • stjohns.edu zone: The server(s) were not responsive to queries over UDP. (53.33.218.126)
  • stjohns.edu/A: No response was received from the server over UDP (tried 8 times). (53.33.218.126, UDP_-_NOEDNS_)
  • stjohns.edu/A: The response had an invalid RCODE (SERVFAIL). (66.28.0.30, 2001:550:1:b::d, UDP_-_NOEDNS_)
  • stjohns.edu/DNSKEY: The response had an invalid RCODE (SERVFAIL). (66.28.0.30, 2001:550:1:b::d, UDP_-_EDNS0_512_D, UDP_-_NOEDNS_)
  • stjohns.edu/MX: The response had an invalid RCODE (SERVFAIL). (66.28.0.30, 2001:550:1:b::d, UDP_-_EDNS0_512_D, UDP_-_NOEDNS_)
  • stjohns.edu/NS: No response was received from the server over UDP (tried 8 times). (53.33.218.126, UDP_-_NOEDNS_)
  • stjohns.edu/NS: The response had an invalid RCODE (SERVFAIL). (66.28.0.30, 2001:550:1:b::d, UDP_-_NOEDNS_)
  • stjohns.edu/SOA: The response had an invalid RCODE (SERVFAIL). (66.28.0.30, 2001:550:1:b::d, TCP_-_NOEDNS_)
  • stjohns.edu/SOA: The response had an invalid RCODE (SERVFAIL). (66.28.0.30, 2001:550:1:b::d, UDP_-_NOEDNS_)
  • stjohns.edu/TXT: The response had an invalid RCODE (SERVFAIL). (66.28.0.30, 2001:550:1:b::d, UDP_-_NOEDNS_)
Warnings (3)
  • edu to stjohns.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): awsdns.stjohns.edu, qnewextdns1.stjohns.edu, qcenextdns2.stjohns.edu
  • edu to stjohns.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: auth2.dns.cogentco.com, awsdns3.stjohns.edu, dns2.stjohns.edu
  • edu to stjohns.edu: The glue address(es) for awsdns3.stjohns.edu (52.33.218.126) differed from its authoritative address(es) (53.33.218.126).

DNSKEY legend

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