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DNSViz: A DNS visualization tool

tech

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (3)
  • tech/NS
  • tech/NSEC3PARAM
  • tech/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (8)
  • ./DNSKEY (alg 8, id 11019)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 60955)
  • tech/DNSKEY (alg 8, id 50095)
  • tech/DNSKEY (alg 8, id 54096)
  • tech/DNSKEY (alg 8, id 56964)
  • tech/DS (alg 8, id 50095)
  • tech/DS (alg 8, id 50095)

Delegation statusDelegation status

Secure (1)
  • . to tech

NoticesNotices

Warnings (24)
  • ./DNSKEY (alg 8, id 11019): 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. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 11019): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:200::b, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 20326): 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. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 20326): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:200::b, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 60955): 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. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 60955): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:200::b, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:200::b, UDP_-_EDNS0_512_D_KN)
  • tech/DNSKEY (alg 8, id 50095): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (194.169.218.60, 2001:67c:13cc::1:60, UDP_-_EDNS0_4096_D_KN)
  • tech/DNSKEY (alg 8, id 54096): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (194.169.218.60, 2001:67c:13cc::1:60, UDP_-_EDNS0_4096_D_KN)
  • tech/DNSKEY (alg 8, id 56964): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (194.169.218.60, 2001:67c:13cc::1:60, UDP_-_EDNS0_4096_D_KN)
  • tech/DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (194.169.218.60, UDP_-_EDNS0_512_D_KN)
  • tech/DS (alg 8, id 50095): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • tech/DS (alg 8, id 50095): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • tech/DS (alg 8, id 50095): 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.
  • tech/DS (alg 8, id 50095): 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.
  • tech/DS (alg 8, id 50095): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:200::b, UDP_-_EDNS0_4096_D_KN)
  • tech/DS (alg 8, id 50095): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:200::b, UDP_-_EDNS0_4096_D_KN)
  • tech/DS (alg 8, id 50095): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:200::b, UDP_-_EDNS0_4096_D_KN)
  • tech/DS (alg 8, id 50095): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:200::b, UDP_-_EDNS0_4096_D_KN)
  • tech/NSEC3PARAM: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:67c:13cc::1:60, UDP_-_EDNS0_4096_D_KN)
  • tech/SOA: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (194.169.218.60, 2001:67c:13cc::1:60, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • bzkcs5my2r.tech/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • tech/DS has warnings; select the "Denial of existence" DNSSEC option to see them.
  • tech/DNSKEY 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