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DNSViz: A DNS visualization tool

museodelprado.es

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

RRset statusRRset status

Insecure (5)
  • museodelprado.es/A
  • museodelprado.es/MX
  • museodelprado.es/NS
  • museodelprado.es/SOA
  • museodelprado.es/TXT
Secure (2)
  • es/SOA
  • es/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (9)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 26116)
  • NSEC3 proving non-existence of museodelprado.es/DS
  • es/DNSKEY (alg 8, id 21256)
  • es/DNSKEY (alg 8, id 33814)
  • es/DNSKEY (alg 8, id 50252)
  • es/DS (alg 8, id 29450)
  • es/DS (alg 8, id 50252)
  • es/DS (alg 8, id 50252)
Non_existent (1)
  • es/DNSKEY (alg 8, id 29450)

Delegation statusDelegation status

Insecure (1)
  • es to museodelprado.es
Secure (1)
  • . to es

NoticesNotices

Errors (5)
  • NSEC3 proving non-existence of museodelprado.es/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of museodelprado.es/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • museodelprado.es zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (2a02:9000::1:3, 2a02:9000::1:4)
  • museodelprado.es/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (2a02:9000::1:3, 2a02:9000::1:4, TCP_-_EDNS0_4096_D)
  • museodelprado.es/DS has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (7)
  • NSEC3 proving non-existence of museodelprado.es/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of museodelprado.es/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • es/DS (alg 8, id 50252): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • es/DS (alg 8, id 50252): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • es/DS (alg 8, id 50252): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • es/DS (alg 8, id 50252): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • museodelprado.es/DS 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