View on GitHub

DNSViz: A DNS visualization tool

doc.gov

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

RRset statusRRset status

Secure (6)
  • doc.gov/A
  • doc.gov/AAAA
  • doc.gov/MX
  • doc.gov/NS
  • doc.gov/SOA
  • doc.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (14)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 60955)
  • ./DNSKEY (alg 8, id 951)
  • doc.gov/DNSKEY (alg 8, id 19590)
  • doc.gov/DNSKEY (alg 8, id 21996)
  • doc.gov/DNSKEY (alg 8, id 53208)
  • doc.gov/DNSKEY (alg 8, id 62029)
  • doc.gov/DNSKEY (alg 8, id 64941)
  • doc.gov/DNSKEY (alg 8, id 65175)
  • doc.gov/DS (alg 8, id 62029)
  • doc.gov/DS (alg 8, id 62029)
  • gov/DNSKEY (alg 8, id 24250)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)

Delegation statusDelegation status

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

NoticesNotices

Errors (28)
  • doc.gov zone: The server(s) were not responsive to queries over TCP. (198.255.114.190)
  • doc.gov zone: The server(s) were not responsive to queries over UDP. (192.198.87.242, 198.255.114.189, 2001:49f0:d064:6:1000::237, 2001:49f0:d064:6:1000::238, 2607:5600:143:0:1000::101)
  • doc.gov/A: No response was received from the server over TCP (tried 7 times). (2610:20:0:20:d0c:90c:225:223, TCP_-_EDNS0_4096_D_KN)
  • doc.gov/A: No response was received from the server over UDP (tried 12 times). (192.198.87.242, 198.255.114.189, 2001:49f0:d064:6:1000::237, 2001:49f0:d064:6:1000::238, 2607:5600:143:0:1000::101, UDP_-_NOEDNS_)
  • doc.gov/A: The TCP connection was interrupted (ECONNRESET). (170.110.225.11, 2610:20:0:20:d0c:90c:225:225, TCP_-_EDNS0_4096_D_KN)
  • doc.gov/AAAA: No response was received from the server over UDP (tried 12 times). (198.255.114.190, UDP_-_NOEDNS_)
  • doc.gov/AAAA: There was an error communicating with the server over TCP (UNKNOWN). (2610:20:0:20:d0c:90c:225:225, TCP_-_EDNS0_4096_D_KN)
  • doc.gov/DNSKEY: No response was received from the server over UDP (tried 12 times). (198.255.114.190, UDP_-_NOEDNS_)
  • doc.gov/DNSKEY: No response was received from the server over UDP (tried 15 times). (170.110.225.16, UDP_-_EDNS0_4096_D_KN)
  • doc.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). (198.255.114.190, UDP_-_EDNS0_512_D_KN)
  • doc.gov/DNSKEY: The TCP connection was interrupted (ECONNRESET). (170.110.225.11, 2610:20:0:20:d0c:90c:225:225, TCP_-_EDNS0_4096_D_KN)
  • doc.gov/MX: No response was received from the server over UDP (tried 11 times). (170.110.225.13, UDP_-_EDNS0_4096_D)
  • doc.gov/MX: No response was received from the server over UDP (tried 4 times). (64.62.200.147, 198.255.114.190, UDP_-_EDNS0_512_D_KN)
  • doc.gov/MX: No response was received from the server over UDP (tried 8 times). (64.62.200.147, UDP_-_EDNS0_4096_D)
  • doc.gov/MX: The TCP connection was interrupted (ECONNRESET). (2610:20:0:20:d0c:90c:225:225, TCP_-_EDNS0_4096_D_KN)
  • doc.gov/MX: There was an error communicating with the server over TCP (UNKNOWN). (170.110.225.11, TCP_-_EDNS0_4096_D_KN)
  • doc.gov/NS: No response was received from the server over UDP (tried 12 times). (192.198.87.242, 198.255.114.189, 2001:49f0:d064:6:1000::237, 2001:49f0:d064:6:1000::238, 2607:5600:143:0:1000::101, UDP_-_NOEDNS_)
  • doc.gov/NS: There was an error communicating with the server over TCP (UNKNOWN). (2610:20:0:20:d0c:90c:225:225, TCP_-_EDNS0_4096_D_KN)
  • doc.gov/SOA: No response was received from the server over TCP (tried 3 times). (198.255.114.190, TCP_-_EDNS0_4096_D_N)
  • doc.gov/SOA: No response was received from the server over TCP (tried 5 times). (170.110.225.16, TCP_-_EDNS0_4096_D_KN_0x20)
  • doc.gov/SOA: No response was received from the server over TCP (tried 6 times). (170.110.225.13, TCP_-_EDNS0_4096_D_KN)
  • doc.gov/SOA: No response was received from the server over TCP (tried 7 times). (198.255.114.190, TCP_-_EDNS0_4096_D_KN)
  • doc.gov/SOA: No response was received from the server over UDP (tried 12 times). (64.62.200.147, 198.255.114.190, UDP_-_NOEDNS_)
  • doc.gov/SOA: The TCP connection was interrupted (ECONNRESET). (170.110.225.11, 2610:20:0:20:d0c:90c:225:225, TCP_-_EDNS0_4096_D_KN_0x20, TCP_-_EDNS0_4096_D_N)
  • doc.gov/SOA: There was an error communicating with the server over TCP (UNKNOWN). (2610:20:0:20:d0c:90c:225:225, TCP_-_EDNS0_4096_D_KN)
  • doc.gov/TXT: No response was received from the server over TCP (tried 2 times). (64.62.200.147, TCP_-_NOEDNS_)
  • doc.gov/TXT: No response was received from the server over TCP (tried 5 times). (170.110.225.16, TCP_-_EDNS0_4096_D_KN)
  • doc.gov/TXT: No response was received from the server over UDP (tried 12 times). (198.255.114.190, UDP_-_NOEDNS_)
Warnings (19)
  • doc.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. (170.110.225.13, 170.110.225.16, UDP_-_EDNS0_4096_D_KN)
  • doc.gov/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. (64.62.200.147, 2610:20:0:20:d0c:90c:225:223, UDP_-_EDNS0_4096_D_KN)
  • doc.gov/DNSKEY (alg 8, id 19590): 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. (170.110.225.13, UDP_-_EDNS0_4096_D_KN)
  • doc.gov/DNSKEY (alg 8, id 21996): 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. (170.110.225.13, UDP_-_EDNS0_4096_D_KN)
  • doc.gov/DNSKEY (alg 8, id 53208): 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. (170.110.225.13, UDP_-_EDNS0_4096_D_KN)
  • doc.gov/DNSKEY (alg 8, id 62029): 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. (170.110.225.13, UDP_-_EDNS0_4096_D_KN)
  • doc.gov/DNSKEY (alg 8, id 64941): 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. (170.110.225.13, UDP_-_EDNS0_4096_D_KN)
  • doc.gov/DNSKEY (alg 8, id 65175): 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. (170.110.225.13, UDP_-_EDNS0_4096_D_KN)
  • doc.gov/DS (alg 8, id 62029): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • doc.gov/DS (alg 8, id 62029): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • doc.gov/DS (alg 8, id 62029): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • doc.gov/DS (alg 8, id 62029): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • doc.gov/MX: 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. (2610:20:0:20:d0c:90c:225:223, UDP_-_EDNS0_4096_D_KN)
  • doc.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. (170.110.225.11, 170.110.225.13, UDP_-_EDNS0_4096_D_KN)
  • doc.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. (2610:20:0:20:d0c:90c:225:223, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • doc.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. (170.110.225.11, UDP_-_EDNS0_4096_D_KN)
  • gov to doc.gov: Authoritative AAAA records exist for gpaens2.doc.gov, but there are no corresponding AAAA glue records.
  • gov to doc.gov: Authoritative AAAA records exist for hchbens1.doc.gov, but there are no corresponding AAAA glue records.
  • gov to doc.gov: The following NS name(s) were found in the delegation NS RRset (i.e., in the gov zone), but not in the authoritative NS RRset: hchbens2.doc.gov

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