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DNSViz: A DNS visualization tool

yandex.com

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

RRset statusRRset status

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

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 26470)
  • ./DNSKEY (alg 8, id 61050)
  • NSEC3 proving non-existence of yandex.com/DS
  • com/DNSKEY (alg 13, id 19718)
  • com/DNSKEY (alg 13, id 29942)
  • com/DS (alg 13, id 19718)

Delegation statusDelegation status

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

NoticesNotices

Errors (3)
  • yandex.com/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (2a02:6b8:0:1::1, UDP_-_EDNS0_512_D_KN)
  • yandex.com/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.com/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (7)
  • yandex.com/A: 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.com/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::1, UDP_-_EDNS0_4096_D_KN)
  • yandex.com/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.com/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, 2a02:6b8:0:1::1, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • yandex.com/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • yandex.com/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • yandex.com/CDNSKEY 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