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DNSViz: A DNS visualization tool

debian.org

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

RRset statusRRset status

Secure (6)
  • debian.org/A
  • debian.org/AAAA
  • debian.org/MX
  • debian.org/NS
  • debian.org/SOA
  • debian.org/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (11)
  • ./DNSKEY (alg 8, id 14631)
  • ./DNSKEY (alg 8, id 20326)
  • debian.org/DNSKEY (alg 8, id 21960)
  • debian.org/DNSKEY (alg 8, id 29400)
  • debian.org/DNSKEY (alg 8, id 50574)
  • debian.org/DNSKEY (alg 8, id 8500)
  • debian.org/DS (alg 8, id 8500)
  • org/DNSKEY (alg 8, id 20130)
  • org/DNSKEY (alg 8, id 26974)
  • org/DNSKEY (alg 8, id 30453)
  • org/DS (alg 8, id 26974)

Delegation statusDelegation status

Secure (2)
  • . to org
  • org to debian.org

NoticesNotices

Errors (5)
  • debian.org zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2620:49:4::10)
  • debian.org/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2620:49:4::10, UDP_-_NOEDNS_)
  • debian.org/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2620:49:4::10, UDP_-_NOEDNS_)
  • x4w21sa8gi.debian.org/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • debian.org/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (5)
  • org/DNSKEY (alg 8, id 20130): 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. (199.19.56.1, UDP_-_EDNS0_4096_D_KN)
  • org/DNSKEY (alg 8, id 26974): 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. (199.19.56.1, UDP_-_EDNS0_4096_D_KN)
  • org/DNSKEY (alg 8, id 30453): 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. (199.19.56.1, UDP_-_EDNS0_4096_D_KN)
  • x4w21sa8gi.debian.org/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • debian.org/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