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DNSViz: A DNS visualization tool

cloudflare.com

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (8)
  • cloudflare.com/A
  • cloudflare.com/AAAA
  • cloudflare.com/CDNSKEY
  • cloudflare.com/CDS
  • cloudflare.com/MX
  • cloudflare.com/NS
  • cloudflare.com/SOA
  • cloudflare.com/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (9)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 61050)
  • cloudflare.com/DNSKEY (alg 13, id 2371)
  • cloudflare.com/DNSKEY (alg 13, id 34505)
  • cloudflare.com/DS (alg 13, id 2371)
  • com/DNSKEY (alg 13, id 19718)
  • com/DNSKEY (alg 13, id 29942)
  • com/DNSKEY (alg 13, id 59354)
  • com/DS (alg 13, id 19718)

Delegation statusDelegation status

Secure (2)
  • . to com
  • com to cloudflare.com

NoticesNotices

Errors (1)
  • ./DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (192.33.4.12, UDP_-_EDNS0_512_D_KN)
Warnings (4)
  • ./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. (192.33.4.12, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 61050): 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. (192.33.4.12, UDP_-_EDNS0_4096_D_KN)
  • com/DS (alg 13, id 19718): 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. (192.33.4.12, UDP_-_EDNS0_4096_D_KN)
  • com/DS (alg 13, id 19718): 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. (192.33.4.12, UDP_-_EDNS0_4096_D_KN)

DNSKEY legend

Full legend
SEP bit setSEP bit set
Revoke bit setRevoke bit set
Trust anchorTrust anchor
Download: png | svg
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DNSSEC authentication graph