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DNSViz: A DNS visualization tool

yandex.ru

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

RRset statusRRset status

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

Warnings (4)
  • yandex.ru/AAAA: 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. (2a02:6b8:0:1::1, UDP_-_EDNS0_4096_D_KN)
  • yandex.ru/SOA: No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed (however, this server appeared to respond legitimately to other queries with the NSID EDNS option present). See RFC 6891, Sec. 6.1.2. (2a02:6b8:0:1::1, UDP_-_EDNS0_4096_D_KN_0x20)
  • 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. (2a02:6b8:0:1::1, UDP_-_EDNS0_4096_D_KN)
  • rovgtc5bmn.yandex.ru/A 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