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DNSViz: A DNS visualization tool

auburn.edu

DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
  6. |?|
  7. |?|
  8. |?|
  9. |?|
  10. |?|
Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (5)
  • auburn.edu/A
  • auburn.edu/MX
  • auburn.edu/NS
  • auburn.edu/SOA
  • auburn.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 30903)
  • NSEC3 proving non-existence of auburn.edu/DS
  • edu/DNSKEY (alg 13, id 30678)
  • edu/DNSKEY (alg 13, id 35663)
  • edu/DS (alg 13, id 35663)

Delegation statusDelegation status

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

NoticesNotices

Errors (15)
  • auburn.edu zone: The server(s) responded over TCP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (128.114.100.100, 131.204.41.3)
  • auburn.edu zone: The server(s) responded over UDP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (128.114.100.100)
  • auburn.edu/A: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (128.114.100.100, UDP_-_EDNS0_4096_D_KN)
  • auburn.edu/DNSKEY: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (128.114.100.100, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • auburn.edu/MX: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (128.114.100.100, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • auburn.edu/NS: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (128.114.100.100, UDP_-_EDNS0_4096_D_KN)
  • auburn.edu/SOA: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (128.114.100.100, 131.204.41.3, TCP_-_EDNS0_4096_D_N)
  • auburn.edu/SOA: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (128.114.100.100, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • auburn.edu/TXT: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (128.114.100.100, UDP_-_EDNS0_4096_D_KN)
  • auburn.edu/TXT: The response had an invalid RCODE (REFUSED). See RFC 1035, Sec. 4.1.1. (131.204.41.3, TCP_-_EDNS0_4096_D_KN)
  • auburn.edu/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • ctrzb95quj.auburn.edu/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • auburn.edu/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • auburn.edu/NSEC3PARAM has errors; select the "Denial of existence" DNSSEC option to see them.
  • auburn.edu/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
  • auburn.edu/TXT: 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. See RFC 6891, Sec. 6.2.6. (131.204.110.12, UDP_-_EDNS0_4096_D_KN)
  • edu to auburn.edu: Authoritative AAAA records exist for adns1.ucsc.edu, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • edu to auburn.edu: The glue address(es) for asnsvr.asc.edu (129.66.20.4) differed from its authoritative address(es) (129.66.20.5). 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