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DNSViz: A DNS visualization tool

usandc.gov

Updated: 2021-05-15 12:31:45 UTC (165 days ago) Update now
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DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (5)
  • usandc.gov/MX
  • usandc.gov/NS
  • usandc.gov/NS
  • usandc.gov/SOA
  • usandc.gov/SOA
Secure (1)
  • gov/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 14631)
  • ./DNSKEY (alg 8, id 20326)
  • NSEC3 proving non-existence of usandc.gov/DS
  • gov/DNSKEY (alg 8, id 48498)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)

Delegation statusDelegation status

Insecure (1)
  • gov to usandc.gov
Secure (1)
  • . to gov

NoticesNotices

Errors (8)
  • usandc.gov zone: The following NS name(s) did not resolve to address(es): altdsos.altusandc.gov, altdstork.altusandc.gov
  • usandc.gov zone: The server(s) responded over UDP with a malformed response or with an invalid RCODE. (198.47.84.11)
  • usandc.gov zone: The server(s) were not responsive to queries over TCP. (198.47.84.11, 198.47.84.12)
  • usandc.gov/DNSKEY: The response had an invalid RCODE (SERVFAIL). (198.47.84.11, UDP_-_EDNS0_512_D_KN, UDP_-_NOEDNS_)
  • usandc.gov/MX: The response had an invalid RCODE (SERVFAIL). (198.47.84.11, UDP_-_EDNS0_512_D_KN, UDP_-_NOEDNS_)
  • usandc.gov/NS: The response had an invalid RCODE (SERVFAIL). (198.47.84.11, UDP_-_NOEDNS_)
  • usandc.gov/SOA: No response was received from the server over TCP (tried 3 times). (198.47.84.11, 198.47.84.12, TCP_-_EDNS0_4096_D_N)
  • usandc.gov/SOA: The response had an invalid RCODE (SERVFAIL). (198.47.84.11, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)
Warnings (1)
  • gov to usandc.gov: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the gov zone): mnsa-dns-002zu.altusandc.gov, mnsa-dns-001zu.altusandc.gov

DNSKEY legend

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