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DNSViz: A DNS visualization tool

ic3.gov

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

RRset statusRRset status

Secure (7)
  • ic3.gov/A
  • ic3.gov/AAAA
  • ic3.gov/MX
  • ic3.gov/NS
  • ic3.gov/NSEC3PARAM
  • ic3.gov/SOA
  • ic3.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 951)
  • gov/DNSKEY (alg 8, id 24250)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • ic3.gov/DNSKEY (alg 8, id 28698)
  • ic3.gov/DNSKEY (alg 8, id 38374)
  • ic3.gov/DNSKEY (alg 8, id 49462)
  • ic3.gov/DS (alg 8, id 49462)
  • ic3.gov/DS (alg 8, id 49462)

Delegation statusDelegation status

Secure (2)
  • . to gov
  • gov to ic3.gov

NoticesNotices

Errors (4)
  • ic3.gov/DS (alg 8, id 49462): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ic3.gov/DS (alg 8, id 49462): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • grybo216s0.ic3.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • ic3.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (10)
  • ic3.gov/DNSKEY (alg 8, id 28698): 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. See RFC 6891, Sec. 6.2.6. (2001:489a:3102:6::62, 2001:489a:3600::13, UDP_-_EDNS0_4096_D_KN)
  • ic3.gov/DNSKEY (alg 8, id 38374): 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. See RFC 6891, Sec. 6.2.6. (2001:489a:3102:6::62, 2001:489a:3600::13, UDP_-_EDNS0_4096_D_KN)
  • ic3.gov/DNSKEY (alg 8, id 49462): 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. See RFC 6891, Sec. 6.2.6. (2001:489a:3102:6::62, 2001:489a:3600::13, UDP_-_EDNS0_4096_D_KN)
  • ic3.gov/DS (alg 8, id 49462): 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.
  • ic3.gov/DS (alg 8, id 49462): 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.
  • ic3.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. See RFC 6891, Sec. 6.2.6. (2001:489a:3102:6::62, 2001:489a:3600::13, UDP_-_EDNS0_4096_D_KN)
  • ic3.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. See RFC 6891, Sec. 6.2.6. (2001:489a:3102:6::62, 2001:489a:3600::13, UDP_-_EDNS0_4096_D_KN)
  • ic3.gov/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • grybo216s0.ic3.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ic3.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