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DNSViz: A DNS visualization tool

att.net

DNSSEC options (hide)
  1. |?|
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (4)
  • att.net/A
  • att.net/MX
  • att.net/NS
  • att.net/SOA
Secure (2)
  • net/SOA
  • net/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 47671)
  • NSEC3 proving non-existence of att.net/DS
  • net/DNSKEY (alg 8, id 35886)
  • net/DNSKEY (alg 8, id 45728)
  • net/DS (alg 8, id 35886)

Delegation statusDelegation status

Insecure (1)
  • net to att.net
Secure (1)
  • . to net

NoticesNotices

Errors (1)
  • ./DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (2001:500:12::d0d, UDP_-_EDNS0_512_D_KN)
Warnings (6)
  • net to att.net: Authoritative AAAA records exist for macu.ma.mt.np.els-gms.att.net, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • net to att.net: Authoritative AAAA records exist for ohcu.oh.mt.np.els-gms.att.net, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • net to att.net: Authoritative AAAA records exist for orcu.or.br.np.els-gms.att.net, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • net to att.net: Authoritative AAAA records exist for wycu.wy.br.np.els-gms.att.net, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • net/DS (alg 8, id 35886): 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. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
  • net/DS (alg 8, id 35886): 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. (192.112.36.4, 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