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DNSViz: A DNS visualization tool

nnlm.gov

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

RRset statusRRset status

Secure (4)
  • nnlm.gov/A
  • nnlm.gov/NS
  • nnlm.gov/SOA
  • nnlm.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (9)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 47671)
  • ./DNSKEY (alg 8, id 9799)
  • gov/DNSKEY (alg 8, id 7030)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • nnlm.gov/DNSKEY (alg 8, id 1000)
  • nnlm.gov/DNSKEY (alg 8, id 59533)
  • nnlm.gov/DS (alg 8, id 1000)

Delegation statusDelegation status

Secure (2)
  • . to gov
  • gov to nnlm.gov

NoticesNotices

Errors (3)
  • nnlm.gov zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2607:f220:402:1801::a570:4e6, 2607:f220:404:101::80e7:80fb, 2607:f220:418:4101::80e7:401)
  • nnlm.gov/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2607:f220:402:1801::a570:4e6, 2607:f220:404:101::80e7:80fb, 2607:f220:418:4101::80e7:401, UDP_-_NOEDNS_)
  • nnlm.gov/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2607:f220:402:1801::a570:4e6, 2607:f220:404:101::80e7:80fb, 2607:f220:418:4101::80e7:401, UDP_-_NOEDNS_)
Warnings (9)
  • gov to nnlm.gov: Authoritative AAAA records exist for lhcns1.nlm.nih.gov, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • gov to nnlm.gov: Authoritative AAAA records exist for lhcns2.nlm.nih.gov, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • gov to nnlm.gov: Authoritative AAAA records exist for ns.nih.gov, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • gov to nnlm.gov: Authoritative AAAA records exist for ns2.nih.gov, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • gov to nnlm.gov: Authoritative AAAA records exist for ns3.nih.gov, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • nnlm.gov/A: 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. (2607:f220:41e:7055::72, 2607:f220:41e:7055::128, UDP_-_EDNS0_4096_D_KN)
  • nnlm.gov/NS: 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. (2607:f220:41e:7055::72, 2607:f220:41e:7055::128, UDP_-_EDNS0_4096_D_KN)
  • nnlm.gov/SOA: 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. (2607:f220:41e:7055::72, 2607:f220:41e:7055::128, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • nnlm.gov/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. (2607:f220:41e:7055::72, 2607:f220:41e:7055::128, 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