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DNSViz: A DNS visualization tool

tcis.gov

DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
  6. |?|
  7. |?|
  8. |?|
  9. |?|
  10. |?|
Notices
DNSSEC Authentication Chain

RRset statusRRset status

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

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (8)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 42351)
  • gov/DNSKEY (alg 8, id 27306)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • tcis.gov/DNSKEY (alg 7, id 35525)
  • tcis.gov/DNSKEY (alg 7, id 59745)
  • tcis.gov/DS (alg 7, id 59745)

Delegation statusDelegation status

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

NoticesNotices

Errors (4)
  • tcis.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • fb4rcn38al.tcis.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • tcis.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • tcis.gov/MX has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (24)
  • RRSIG tcis.gov/A alg 7, id 35525: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG tcis.gov/A alg 7, id 35525: The value of the Signature Inception field of the RRSIG RR (2021-03-10 00:20:28+00:00) is within possible clock skew range (0 seconds) of the current time (2021-03-10 00:20:28+00:00). See RFC 4035, Sec. 5.3.1.
  • RRSIG tcis.gov/DNSKEY alg 7, id 35525: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG tcis.gov/DNSKEY alg 7, id 35525: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG tcis.gov/DNSKEY alg 7, id 35525: The value of the Signature Inception field of the RRSIG RR (2021-03-10 00:20:28+00:00) is within possible clock skew range (0 seconds) of the current time (2021-03-10 00:20:28+00:00). See RFC 4035, Sec. 5.3.1.
  • RRSIG tcis.gov/DNSKEY alg 7, id 35525: The value of the Signature Inception field of the RRSIG RR (2021-03-10 00:20:28+00:00) is within possible clock skew range (0 seconds) of the current time (2021-03-10 00:20:28+00:00). See RFC 4035, Sec. 5.3.1.
  • RRSIG tcis.gov/DNSKEY alg 7, id 59745: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG tcis.gov/DNSKEY alg 7, id 59745: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG tcis.gov/DNSKEY alg 7, id 59745: The value of the Signature Inception field of the RRSIG RR (2021-03-10 00:20:28+00:00) is within possible clock skew range (0 seconds) of the current time (2021-03-10 00:20:28+00:00). See RFC 4035, Sec. 5.3.1.
  • RRSIG tcis.gov/DNSKEY alg 7, id 59745: The value of the Signature Inception field of the RRSIG RR (2021-03-10 00:20:28+00:00) is within possible clock skew range (0 seconds) of the current time (2021-03-10 00:20:28+00:00). See RFC 4035, Sec. 5.3.1.
  • RRSIG tcis.gov/NS alg 7, id 35525: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG tcis.gov/NS alg 7, id 35525: The value of the Signature Inception field of the RRSIG RR (2021-03-10 00:20:28+00:00) is within possible clock skew range (0 seconds) of the current time (2021-03-10 00:20:28+00:00). See RFC 4035, Sec. 5.3.1.
  • RRSIG tcis.gov/SOA alg 7, id 35525: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG tcis.gov/SOA alg 7, id 35525: The value of the Signature Inception field of the RRSIG RR (2021-03-10 00:20:28+00:00) is within possible clock skew range (0 seconds) of the current time (2021-03-10 00:20:28+00:00). See RFC 4035, Sec. 5.3.1.
  • RRSIG tcis.gov/TXT alg 7, id 35525: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG tcis.gov/TXT alg 7, id 35525: The value of the Signature Inception field of the RRSIG RR (2021-03-10 00:20:28+00:00) is within possible clock skew range (0 seconds) of the current time (2021-03-10 00:20:28+00:00). See RFC 4035, Sec. 5.3.1.
  • gov to tcis.gov: Authoritative AAAA records exist for ns1.twai.gov, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • tcis.gov/DS (alg 7, id 59745): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • tcis.gov/DS (alg 7, id 59745): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • tcis.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • fb4rcn38al.tcis.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • tcis.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • tcis.gov/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • tcis.gov/MX 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