View on GitHub

DNSViz: A DNS visualization tool

acme-v02.api.letsencrypt.org

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

RRset statusRRset status

Insecure (2)
  • acme-v02.api.letsencrypt.org/CNAME
  • prod.api.letsencrypt.org/CNAME
Secure (3)
  • ca80a1adb12a4fbdac5ffcbc944e9a61.pacloudflare.com/A
  • ca80a1adb12a4fbdac5ffcbc944e9a61.pacloudflare.com/AAAA
  • org/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (14)
  • ./DNSKEY (alg 8, id 14748)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 26838)
  • NSEC3 proving non-existence of letsencrypt.org/DS
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 39343)
  • com/DS (alg 8, id 30909)
  • org/DNSKEY (alg 8, id 26974)
  • org/DNSKEY (alg 8, id 39681)
  • org/DNSKEY (alg 8, id 6555)
  • org/DS (alg 8, id 26974)
  • pacloudflare.com/DNSKEY (alg 13, id 2371)
  • pacloudflare.com/DNSKEY (alg 13, id 34505)
  • pacloudflare.com/DS (alg 13, id 2371)

Delegation statusDelegation status

Insecure (1)
  • org to letsencrypt.org
Secure (3)
  • . to com
  • . to org
  • com to pacloudflare.com

NoticesNotices

Errors (3)
  • NSEC3 proving non-existence of letsencrypt.org/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of letsencrypt.org/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • org zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2001:500:c::1)
Warnings (9)
  • ./DNSKEY (alg 8, id 14748): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:7fd::1, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 20326): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:7fd::1, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 26838): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:7fd::1, UDP_-_EDNS0_4096_D_KN)
  • NSEC3 proving non-existence of letsencrypt.org/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of letsencrypt.org/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • com/DS (alg 8, id 30909): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:7fd::1, UDP_-_EDNS0_4096_D_KN)
  • com/DS (alg 8, id 30909): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:7fd::1, UDP_-_EDNS0_4096_D_KN)
  • org/DS (alg 8, id 26974): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:7fd::1, UDP_-_EDNS0_4096_D_KN)
  • org/DS (alg 8, id 26974): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:7fd::1, 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
Warning JavaScript is required to make the graph below interactive.
DNSSEC authentication graph