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DNSViz: A DNS visualization tool

firestorm.ch

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (6)
  • firestorm.ch/A
  • firestorm.ch/AAAA
  • firestorm.ch/MX
  • firestorm.ch/NS
  • firestorm.ch/SOA
  • firestorm.ch/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (8)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 9799)
  • ch/DNSKEY (alg 13, id 11648)
  • ch/DNSKEY (alg 13, id 51187)
  • ch/DNSKEY (alg 13, id 54792)
  • ch/DS (alg 13, id 11648)
  • firestorm.ch/DNSKEY (alg 13, id 39726)
  • firestorm.ch/DS (alg 13, id 39726)

Delegation statusDelegation status

Secure (2)
  • . to ch
  • ch to firestorm.ch

NoticesNotices

Errors (4)
  • firestorm.ch/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (188.40.216.50, 188.40.220.180, UDP_-_EDNS0_512_D_KN)
  • firestorm.ch/MX: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (188.40.220.180, UDP_-_EDNS0_512_D_KN)
  • firestorm.ch/NSEC3PARAM has errors; select the "Denial of existence" DNSSEC option to see them.
  • firestorm.ch/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (7)
  • firestorm.ch/MX: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (188.40.220.180, UDP_-_EDNS0_4096_D_KN)
  • firestorm.ch/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. (188.40.216.50, UDP_-_EDNS0_4096_D_KN)
  • firestorm.ch/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. (188.40.216.50, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • firestorm.ch/TXT: 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. (188.40.216.50, UDP_-_EDNS0_4096_D_KN)
  • firestorm.ch/NSEC3PARAM has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ybq23xkunf.firestorm.ch/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • firestorm.ch/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