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DNSViz: A DNS visualization tool

pt

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Bogus (3)
  • pt/NS
  • pt/NSEC3PARAM
  • pt/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Bogus (2)
  • pt/DNSKEY (alg 13, id 30640)
  • pt/DNSKEY (alg 13, id 40155)
Secure (4)
  • ./DNSKEY (alg 8, id 20038)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 61050)
  • pt/DS (alg 13, id 40155)

Delegation statusDelegation status

Bogus (1)
  • . to pt

NoticesNotices

Errors (9)
  • . to pt: No valid RRSIGs made by a key corresponding to a DS RR were found covering the DNSKEY RRset, resulting in no secure entry point (SEP) into the zone. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (185.39.208.1, 185.39.210.1, 192.93.0.4, 193.136.2.226, 193.136.192.64, 194.0.25.23, 194.146.106.138, 200.160.0.5, 204.61.216.105, 2001:500:14:6105:ad::1, 2001:660:3005:1::1:2, 2001:678:20::23, 2001:67c:1010:35::53, 2001:690:a00:4001::64, 2001:690:a80:4001::100, 2001:12ff:0:a20::5, 2a04:6d80::1, 2a04:6d82::1, UDP_-_EDNS0_4096_D, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • . to pt: The DS RRset for the zone included algorithm 13 (ECDSAP256SHA256), but no DS RR matched a DNSKEY with algorithm 13 that signs the zone's DNSKEY RRset. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (185.39.208.1, 185.39.210.1, 192.93.0.4, 193.136.2.226, 193.136.192.64, 194.0.25.23, 194.146.106.138, 200.160.0.5, 204.61.216.105, 2001:500:14:6105:ad::1, 2001:660:3005:1::1:2, 2001:678:20::23, 2001:67c:1010:35::53, 2001:690:a00:4001::64, 2001:690:a80:4001::100, 2001:12ff:0:a20::5, 2a04:6d80::1, 2a04:6d82::1, UDP_-_EDNS0_4096_D, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • pt/DNSKEY (alg 13, id 30640): No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (185.39.208.1, 185.39.210.1, 192.93.0.4, 193.136.2.226, 193.136.192.64, 194.0.25.23, 194.146.106.138, 200.160.0.5, 204.61.216.105, 2001:500:14:6105:ad::1, 2001:660:3005:1::1:2, 2001:678:20::23, 2001:67c:1010:35::53, 2001:690:a00:4001::64, 2001:690:a80:4001::100, 2001:12ff:0:a20::5, 2a04:6d80::1, 2a04:6d82::1, UDP_-_EDNS0_4096_D, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • pt/DNSKEY (alg 13, id 40155): No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (185.39.208.1, 185.39.210.1, 192.93.0.4, 193.136.2.226, 193.136.192.64, 194.0.25.23, 194.146.106.138, 200.160.0.5, 204.61.216.105, 2001:500:14:6105:ad::1, 2001:660:3005:1::1:2, 2001:678:20::23, 2001:67c:1010:35::53, 2001:690:a00:4001::64, 2001:690:a80:4001::100, 2001:12ff:0:a20::5, 2a04:6d80::1, 2a04:6d82::1, UDP_-_EDNS0_4096_D, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • pt/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • r16q5.qtxfw.pt/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • pt/CDNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • pt/CDS has errors; select the "Denial of existence" DNSSEC option to see them.
  • pt/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (8)
  • pt/DNSKEY (alg 13, id 30640): No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed (however, this server appeared to respond legitimately to other queries with the NSID EDNS option present). See RFC 6891, Sec. 6.1.2. (193.136.192.64, UDP_-_EDNS0_4096_D_KN)
  • pt/DNSKEY (alg 13, id 40155): No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed (however, this server appeared to respond legitimately to other queries with the NSID EDNS option present). See RFC 6891, Sec. 6.1.2. (193.136.192.64, UDP_-_EDNS0_4096_D_KN)
  • pt/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. (193.136.192.64, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • pt/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • r16q5.qtxfw.pt/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • pt/CDNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • pt/CDS has warnings; select the "Denial of existence" DNSSEC option to see them.
  • pt/DNSKEY 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