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DNSViz: A DNS visualization tool

irs.gov

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

RRset statusRRset status

Bogus (6)
  • irs.gov/A
  • irs.gov/AAAA
  • irs.gov/MX
  • irs.gov/NS
  • irs.gov/SOA
  • irs.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Bogus (4)
  • irs.gov/DNSKEY (alg 8, id 11886)
  • irs.gov/DNSKEY (alg 8, id 44484)
  • irs.gov/DNSKEY (alg 8, id 44947)
  • irs.gov/DNSKEY (alg 8, id 60439)
Secure (7)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 48903)
  • gov/DNSKEY (alg 8, id 40176)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • irs.gov/DS (alg 8, id 60439)

Delegation statusDelegation status

Bogus (1)
  • gov to irs.gov
Secure (1)
  • . to gov

NoticesNotices

Errors (11)
  • RRSIG irs.gov/A alg 8, id 11886: The Signature Expiration field of the RRSIG RR (2020-04-25 03:03:48+00:00) is 13 minutes in the past.
  • RRSIG irs.gov/AAAA alg 8, id 11886: The Signature Expiration field of the RRSIG RR (2020-04-25 03:03:48+00:00) is 13 minutes in the past.
  • RRSIG irs.gov/DNSKEY alg 8, id 60439: The Signature Expiration field of the RRSIG RR (2020-04-25 03:03:48+00:00) is 13 minutes in the past.
  • RRSIG irs.gov/DNSKEY alg 8, id 60439: The Signature Expiration field of the RRSIG RR (2020-04-25 03:03:48+00:00) is 13 minutes in the past.
  • RRSIG irs.gov/DNSKEY alg 8, id 60439: The Signature Expiration field of the RRSIG RR (2020-04-25 03:03:48+00:00) is 13 minutes in the past.
  • RRSIG irs.gov/DNSKEY alg 8, id 60439: The Signature Expiration field of the RRSIG RR (2020-04-25 03:03:48+00:00) is 13 minutes in the past.
  • RRSIG irs.gov/MX alg 8, id 11886: The Signature Expiration field of the RRSIG RR (2020-04-25 03:03:48+00:00) is 13 minutes in the past.
  • RRSIG irs.gov/NS alg 8, id 11886: The Signature Expiration field of the RRSIG RR (2020-04-25 03:03:48+00:00) is 13 minutes in the past.
  • RRSIG irs.gov/SOA alg 8, id 11886: The Signature Expiration field of the RRSIG RR (2020-04-25 03:03:48+00:00) is 13 minutes in the past.
  • RRSIG irs.gov/TXT alg 8, id 11886: The Signature Expiration field of the RRSIG RR (2020-04-25 03:03:48+00:00) is 13 minutes in the past.
  • gov to irs.gov: No valid RRSIGs made by a key corresponding to a DS RR were found covering the DNSKEY RRset, resulting in no secure entry point (SEP) into the zone. (152.216.7.164, 152.216.7.165, 152.216.11.132, 152.216.11.133, 152.216.13.164, 152.216.13.165, 2610:30:0:13::164, 2610:30:0:13::165, 2610:30:2000:53::90, 2610:30:2000:53::91, 2610:30:4000:53::90, 2610:30:4000:53::91, TCP_-_EDNS0_4096_D_K, UDP_-_EDNS0_4096_D_K)
Warnings (4)
  • gov/DS (alg 8, id 7698): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • gov/DS (alg 8, id 7698): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • gov/DS (alg 8, id 7698): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • gov/DS (alg 8, id 7698): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.

DNSKEY legend

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