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DNSViz: A DNS visualization tool

ulisboa.pt

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

RRset statusRRset status

Secure (5)
  • ulisboa.pt/A
  • ulisboa.pt/MX
  • ulisboa.pt/NS
  • ulisboa.pt/SOA
  • ulisboa.pt/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (8)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 26838)
  • pt/DNSKEY (alg 13, id 30640)
  • pt/DNSKEY (alg 13, id 40155)
  • pt/DS (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)

Delegation statusDelegation status

Secure (2)
  • . to pt
  • pt to ulisboa.pt

NoticesNotices

Errors (3)
  • 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 (16)
  • 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/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 following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the pt zone): c.ul.pt See RFC 1034, Sec. 4.2.2.
  • 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::2, 2001:690:2100:1::53:2). See RFC 1034, Sec. 4.2.2.
  • ulisboa.pt/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • i96ygq7uop.ulisboa.pt/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ulisboa.pt/AAAA 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/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