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DNSViz: A DNS visualization tool

unimi.it

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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)
  • unimi.it/A
  • unimi.it/MX
  • unimi.it/NS
  • unimi.it/SOA
  • unimi.it/TXT
Secure (1)
  • it/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 46594)
  • NSEC3 proving non-existence of unimi.it/DS
  • it/DNSKEY (alg 10, id 18395)
  • it/DNSKEY (alg 10, id 41901)
  • it/DS (alg 10, id 41901)

Delegation statusDelegation status

Insecure (1)
  • it to unimi.it
Secure (1)
  • . to it

NoticesNotices

Errors (6)
  • NSEC3 proving non-existence of unimi.it/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 unimi.it/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • unimi.it zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2001:760:2007:80::1)
  • unimi.it/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2001:760:2007:80::1, UDP_-_NOEDNS_)
  • unimi.it/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2001:760:2007:80::1, UDP_-_NOEDNS_)
  • unimi.it/DS has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (11)
  • NSEC3 proving non-existence of unimi.it/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of unimi.it/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • RRSIG NSEC3 proving non-existence of unimi.it/DS alg 10, id 18395: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG NSEC3 proving non-existence of unimi.it/DS alg 10, id 18395: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG it/DNSKEY alg 10, id 18395: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG it/DNSKEY alg 10, id 18395: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG it/DNSKEY alg 10, id 41901: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG it/DNSKEY alg 10, id 41901: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG it/SOA alg 10, id 18395: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • it to unimi.it: Authoritative AAAA records exist for ns.unimi.it, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • unimi.it/DS has warnings; select the "Denial of existence" DNSSEC option to see them.

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SEP bit setSEP bit set
Revoke bit setRevoke bit set
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DNSSEC authentication graph