View on GitHub

DNSViz: A DNS visualization tool

ucd.ie

DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
  6. |?|
  7. |?|
Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (5)
  • ucd.ie/A
  • ucd.ie/MX
  • ucd.ie/NS
  • ucd.ie/SOA
  • ucd.ie/TXT
Secure (1)
  • ie/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 60955)
  • ./DNSKEY (alg 8, id 951)
  • NSEC3 proving non-existence of ucd.ie/DS
  • ie/DNSKEY (alg 13, id 15040)
  • ie/DNSKEY (alg 13, id 16958)
  • ie/DS (alg 13, id 15040)

Delegation statusDelegation status

Insecure (1)
  • ie to ucd.ie
Secure (1)
  • . to ie

NoticesNotices

Errors (13)
  • ucd.ie zone: The following NS name(s) did not resolve to address(es): uucp-gw-1.pa.dec.com, uucp-gw-2.pa.dec.com
  • ucd.ie zone: The server(s) responded over TCP with a malformed response or with an invalid RCODE. (137.43.132.54)
  • ucd.ie zone: The server(s) responded over UDP with a malformed response or with an invalid RCODE. (137.43.132.54)
  • ucd.ie zone: The server(s) were not responsive to queries over UDP. (2001:770:98:200::35:1, 2001:770:98:200::35:2)
  • ucd.ie/A: No response was received from the server over UDP (tried 12 times). (2001:770:98:200::35:1, 2001:770:98:200::35:2, UDP_-_NOEDNS_)
  • ucd.ie/A: The response had an invalid RCODE (SERVFAIL). (137.43.132.54, UDP_-_NOEDNS_)
  • ucd.ie/DNSKEY: The response had an invalid RCODE (SERVFAIL). (137.43.132.54, UDP_-_EDNS0_512_D_KN, UDP_-_NOEDNS_)
  • ucd.ie/MX: The response had an invalid RCODE (SERVFAIL). (137.43.132.54, UDP_-_EDNS0_512_D_KN, UDP_-_NOEDNS_)
  • ucd.ie/NS: No response was received from the server over UDP (tried 12 times). (2001:770:98:200::35:1, 2001:770:98:200::35:2, UDP_-_NOEDNS_)
  • ucd.ie/NS: The response had an invalid RCODE (SERVFAIL). (137.43.132.54, UDP_-_NOEDNS_)
  • ucd.ie/SOA: The response had an invalid RCODE (SERVFAIL). (137.43.132.54, TCP_-_NOEDNS_)
  • ucd.ie/SOA: The response had an invalid RCODE (SERVFAIL). (137.43.132.54, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)
  • ucd.ie/TXT: The response had an invalid RCODE (SERVFAIL). (137.43.132.54, UDP_-_NOEDNS_)

DNSKEY legend

Full legend
SEP bit setSEP bit set
Revoke bit setRevoke bit set
Trust anchorTrust anchor
Download: png | svg
Warning JavaScript is required to make the graph below interactive.
DNSSEC authentication graph