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DNSViz: A DNS visualization tool

yandex.ru

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

RRset statusRRset status

Bogus (2)
  • ru/SOA
  • ru/SOA
Insecure (6)
  • yandex.ru/A
  • yandex.ru/AAAA
  • yandex.ru/MX
  • yandex.ru/NS
  • yandex.ru/SOA
  • yandex.ru/TXT
Secure (1)
  • ru/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 30903)
  • NSEC3 proving non-existence of yandex.ru/DS
  • ru/DNSKEY (alg 8, id 43786)
  • ru/DNSKEY (alg 8, id 44301)
  • ru/DNSKEY (alg 8, id 52263)
  • ru/DS (alg 8, id 43786)

Delegation statusDelegation status

Insecure (1)
  • ru to yandex.ru
Secure (1)
  • . to ru

NoticesNotices

Errors (11)
  • RRSIG NSEC3 proving non-existence of yandex.ru/DS alg 8, id 52263: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • RRSIG NSEC3 proving non-existence of yandex.ru/DS alg 8, id 52263: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • RRSIG ru/SOA alg 8, id 52263: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • RRSIG ru/SOA alg 8, id 52263: The cryptographic signature of the RRSIG RR does not properly validate. See RFC 4035, Sec. 5.3.3.
  • ru zone: The server(s) responded over TCP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (193.232.156.17, 2001:678:14:0:193:232:156:17)
  • ru zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (194.85.252.62)
  • ru/DNSKEY: No response was received from the server over UDP (tried 10 times). See RFC 1035, Sec. 4.2. (2001:678:14:0:193:232:156:17, UDP_-_EDNS0_4096_D)
  • ru/DNSKEY: No response was received from the server over UDP (tried 14 times). See RFC 1035, Sec. 4.2. (193.232.156.17, UDP_-_EDNS0_4096_D_KN)
  • ru/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (193.232.128.6, 193.232.142.17, 194.190.124.17, UDP_-_EDNS0_512_D_KN)
  • yandex.ru/MX: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (2a02:6b8::1, UDP_-_EDNS0_512_D_KN)
  • yandex.ru/DS has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (4)
  • yandex.ru/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. (2a02:6b8::1, UDP_-_EDNS0_4096_D_KN)
  • yandex.ru/SOA: 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. (2a02:6b8::1, UDP_-_EDNS0_4096_D_KN)
  • yandex.ru/NSEC3PARAM has warnings; select the "Denial of existence" DNSSEC option to see them.
  • yandex.ru/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