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DNSViz: A DNS visualization tool

time-c-g.nist.gov

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

RRset statusRRset status

Secure (1)
  • time-c-g.nist.gov/A

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (9)
  • ./DNSKEY (alg 8, id 14631)
  • ./DNSKEY (alg 8, id 20326)
  • gov/DNSKEY (alg 8, id 48498)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • nist.gov/DNSKEY (alg 7, id 35567)
  • nist.gov/DNSKEY (alg 7, id 52515)
  • nist.gov/DS (alg 7, id 52515)
  • nist.gov/DS (alg 7, id 52515)

Delegation statusDelegation status

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

NoticesNotices

Errors (6)
  • nist.gov zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (129.6.13.4, 132.163.4.10, 132.163.4.11, 2610:20:6005:13::3, 2610:20:6005:13::4, 2610:20:6005:2192::193)
  • nist.gov/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2610:20:6b01:4::10, UDP_-_NOEDNS_)
  • nist.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (2610:20:6b01:4::10, 2610:20:6b01:4::11, UDP_-_EDNS0_512_D_KN)
  • time-c-g.nist.gov/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2610:20:6b01:4::10, 2610:20:6b01:4::11, UDP_-_NOEDNS_)
  • time-c-g.nist.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • nist.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (12)
  • RRSIG nist.gov/DNSKEY alg 7, id 35567: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG nist.gov/DNSKEY alg 7, id 35567: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG nist.gov/DNSKEY alg 7, id 52515: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG nist.gov/DNSKEY alg 7, id 52515: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG time-c-g.nist.gov/A alg 7, id 35567: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • gov to nist.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): gea3.nist.gov See RFC 1034, Sec. 4.2.2.
  • nist.gov/DS (alg 7, id 52515): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • nist.gov/DS (alg 7, id 52515): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • nist.gov/DS (alg 7, id 52515): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • nist.gov/DS (alg 7, id 52515): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • time-c-g.nist.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • nist.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.

DNSKEY legend

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