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DNSViz: A DNS visualization tool

uni-tuebingen.de

Updated: 2022-10-20 12:09:33 UTC (110 days ago) Update now
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DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
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  6. |?|
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (6)
  • uni-tuebingen.de/A
  • uni-tuebingen.de/AAAA
  • uni-tuebingen.de/MX
  • uni-tuebingen.de/NS
  • uni-tuebingen.de/SOA
  • uni-tuebingen.de/TXT
Secure (2)
  • de/SOA
  • de/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 18733)
  • ./DNSKEY (alg 8, id 20326)
  • NSEC3 proving non-existence of uni-tuebingen.de/DS
  • de/DNSKEY (alg 8, id 26755)
  • de/DNSKEY (alg 8, id 55134)
  • de/DS (alg 8, id 26755)

Delegation statusDelegation status

Insecure (1)
  • de to uni-tuebingen.de
Secure (1)
  • . to de

NoticesNotices

Errors (8)
  • uni-tuebingen.de zone: The server(s) responded over TCP with a malformed response or with an invalid RCODE. (2001:7c0:300c:137::8602:c804)
  • uni-tuebingen.de/A: No response was received from the server over UDP (tried 12 times). (2001:7c0:300c:137::8602:c804, UDP_-_NOEDNS_)
  • uni-tuebingen.de/DNSKEY: No response was received from the server over TCP (tried 1 times). (2001:7c0:300c:137::8602:c803, TCP_-_EDNS0_4096_D_N)
  • uni-tuebingen.de/DNSKEY: No response was received from the server over UDP (tried 12 times). (2001:7c0:300c:137::8602:c804, UDP_-_NOEDNS_)
  • uni-tuebingen.de/DNSKEY: No response was received from the server over UDP (tried 4 times). (2001:7c0:300c:137::8602:c803, 2001:7c0:300c:137::8602:c804, UDP_-_EDNS0_512_D_KN)
  • uni-tuebingen.de/MX: No response was received from the server over UDP (tried 12 times). (2001:7c0:300c:137::8602:c803, UDP_-_NOEDNS_)
  • uni-tuebingen.de/MX: No response was received from the server over UDP (tried 4 times). (2001:7c0:300c:137::8602:c804, UDP_-_EDNS0_512_D_KN)
  • uni-tuebingen.de/SOA: No response was received from the server over TCP (tried 3 times). (2001:7c0:300c:137::8602:c804, TCP_-_EDNS0_4096_D_N)
Warnings (9)
  • uni-tuebingen.de/A: No response was received from the server over UDP (tried 10 times) until the DO EDNS flag was cleared (however, this server appeared to respond legitimately to other queries with the DO EDNS flag set). (2001:7c0:300c:137::8602:c803, UDP_-_EDNS0_4096_D_KN)
  • uni-tuebingen.de/AAAA: No response was received from the server over UDP (tried 10 times) until the DO EDNS flag was cleared (however, this server appeared to respond legitimately to other queries with the DO EDNS flag set). (2001:7c0:300c:137::8602:c804, UDP_-_EDNS0_4096_D_KN)
  • uni-tuebingen.de/AAAA: No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. (2001:7c0:300c:137::8602:c803, UDP_-_EDNS0_4096_D_KN)
  • uni-tuebingen.de/MX: No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed (however, this server appeared to respond legitimately to other queries with the NSID EDNS option present). (2001:7c0:300c:137::8602:c804, UDP_-_EDNS0_4096_D_KN)
  • uni-tuebingen.de/NS: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). (2001:7c0:300c:137::8602:c804, UDP_-_EDNS0_4096_D_KN)
  • uni-tuebingen.de/SOA: No response was received from the server over UDP (tried 11 times) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). (2001:7c0:300c:137::8602:c803, 2001:7c0:300c:137::8602:c804, UDP_-_EDNS0_4096_D_KN_0x20)
  • uni-tuebingen.de/SOA: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). (2001:7c0:300c:137::8602:c803, UDP_-_EDNS0_4096_D_KN)
  • uni-tuebingen.de/SOA: No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed (however, this server appeared to respond legitimately to other queries with the NSID EDNS option present). (2001:7c0:300c:137::8602:c803, 2001:7c0:300c:137::8602:c804, UDP_-_EDNS0_4096_D_KN)
  • uni-tuebingen.de/TXT: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). (2001:7c0:300c:137::8602:c804, UDP_-_EDNS0_4096_D_KN)

DNSKEY legend

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