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DNSViz: A DNS visualization tool

mannmade.duckdns.org

Updated: 2023-08-02 19:40:17 UTC (470 days ago) Update now
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DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (1)
  • mannmade.duckdns.org/A
Secure (1)
  • org/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 11019)
  • ./DNSKEY (alg 8, id 20326)
  • NSEC3 proving non-existence of duckdns.org/DS
  • org/DNSKEY (alg 8, id 26974)
  • org/DNSKEY (alg 8, id 33825)
  • org/DNSKEY (alg 8, id 35418)
  • org/DS (alg 8, id 26974)

Delegation statusDelegation status

Insecure (1)
  • org to duckdns.org
Secure (1)
  • . to org

NoticesNotices

Errors (7)
  • duckdns.org zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (3.97.51.116, 3.97.58.28, 15.223.21.81, 35.183.157.249, 99.79.16.64, 99.79.143.35)
  • duckdns.org/DNSKEY: No response was received from the server over TCP (tried 10 times). See RFC 1035, Sec. 4.2. (99.79.143.35, TCP_-_EDNS0_4096_D_N)
  • duckdns.org/DNSKEY: No response was received from the server over TCP (tried 12 times). See RFC 1035, Sec. 4.2. (15.223.21.81, 35.183.157.249, 99.79.16.64, TCP_-_EDNS0_4096_D_KN)
  • duckdns.org/DNSKEY: No response was received from the server over TCP (tried 6 times). See RFC 1035, Sec. 4.2. (3.97.51.116, 3.97.58.28, TCP_-_EDNS0_4096_)
  • duckdns.org/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (15.223.106.16, UDP_-_EDNS0_512_D_KN)
  • duckdns.org/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • mannmade.duckdns.org/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (6)
  • NSEC3 proving non-existence of duckdns.org/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of duckdns.org/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • mannmade.duckdns.org/A: No response was received from the server over UDP (tried 10 times) until the DO EDNS flag was cleared (however, this server appeared to respond legitimately to other queries with the DO EDNS flag set). See RFC 6891, Sec. 6.1.4. (35.183.157.249, UDP_-_EDNS0_4096_D_KN)
  • mannmade.duckdns.org/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. (15.223.21.81, UDP_-_EDNS0_4096_D_KN)
  • duckdns.org/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mannmade.duckdns.org/AAAA 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