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DNSViz: A DNS visualization tool

ulisboa.pt

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

RRset statusRRset status

Bogus (6)
  • ulisboa.pt/A
  • ulisboa.pt/AAAA
  • ulisboa.pt/MX
  • ulisboa.pt/NS
  • ulisboa.pt/SOA
  • ulisboa.pt/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Bogus (5)
  • pt/DNSKEY (alg 13, id 30640)
  • pt/DNSKEY (alg 13, id 40155)
  • ulisboa.pt/DNSKEY (alg 5, id 4368)
  • ulisboa.pt/DNSKEY (alg 5, id 502)
  • ulisboa.pt/DS (alg 5, id 502)
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
Secure (1)
  • pt to ulisboa.pt

NoticesNotices

Errors (7)
  • . 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_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_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_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_KN, UDP_-_EDNS0_512_D_KN)
  • ulisboa.pt zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2001:690:21c0:a::150, 2001:690:21c0:b::150)
  • ulisboa.pt/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2001:690:21c0:a::150, 2001:690:21c0:b::150, UDP_-_NOEDNS_)
  • ulisboa.pt/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2001:690:21c0:a::150, 2001:690:21c0:b::150, UDP_-_NOEDNS_)
Warnings (17)
  • RRSIG ulisboa.pt/A alg 5, id 4368: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ulisboa.pt/AAAA alg 5, id 4368: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ulisboa.pt/DNSKEY alg 5, id 4368: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ulisboa.pt/DNSKEY alg 5, id 4368: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ulisboa.pt/DNSKEY alg 5, id 502: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ulisboa.pt/DNSKEY alg 5, id 502: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ulisboa.pt/MX alg 5, id 4368: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ulisboa.pt/NS alg 5, id 4368: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ulisboa.pt/SOA alg 5, id 4368: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • RRSIG ulisboa.pt/TXT alg 5, id 4368: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 5 (RSASHA1). See RFC 8624, Sec. 3.1.
  • pt to ulisboa.pt: The glue address(es) for ns2.tecnico.ulisboa.pt (2001:690:2100:1::2) differed from its authoritative address(es) (2001:690:2100:1::53:2). See RFC 1034, Sec. 4.2.2.
  • ulisboa.pt/CDNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ulisboa.pt/NSEC3PARAM has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ulisboa.pt/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ulisboa.pt/CDS has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ulisboa.pt/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • vz26r.8d0p6.ulisboa.pt/A 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