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DNSViz: A DNS visualization tool

www.cssz.cz

Updated: 2022-01-28 09:28:15 UTC (1058 days ago) Update now
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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 (2)
  • www.cssz.cz/A
  • www.cssz.cz/AAAA
Secure (1)
  • cssz.cz/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (9)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 9799)
  • NSEC3 proving non-existence of www.cssz.cz/DS
  • cssz.cz/DNSKEY (alg 10, id 32292)
  • cssz.cz/DNSKEY (alg 10, id 9068)
  • cssz.cz/DS (alg 10, id 32292)
  • cz/DNSKEY (alg 13, id 20237)
  • cz/DNSKEY (alg 13, id 63604)
  • cz/DS (alg 13, id 20237)

Delegation statusDelegation status

Insecure (1)
  • cssz.cz to www.cssz.cz
Secure (2)
  • . to cz
  • cz to cssz.cz

NoticesNotices

Errors (11)
  • NSEC3 proving non-existence of www.cssz.cz/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 www.cssz.cz/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • www.cssz.cz/MX has errors; select the "Denial of existence" DNSSEC option to see them.
  • www.cssz.cz/TXT has errors; select the "Denial of existence" DNSSEC option to see them.
  • bduchomv01.www.cssz.cz/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • www.cssz.cz/NS has errors; select the "Denial of existence" DNSSEC option to see them.
  • www.cssz.cz/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • www.cssz.cz/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • www.cssz.cz/DS has errors; select the "Denial of existence" DNSSEC option to see them.
  • www.cssz.cz/SOA has errors; select the "Denial of existence" DNSSEC option to see them.
  • www.cssz.cz/NSEC3PARAM has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (10)
  • NSEC3 proving non-existence of www.cssz.cz/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of www.cssz.cz/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • RRSIG NSEC3 proving non-existence of www.cssz.cz/DS alg 10, id 9068: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG NSEC3 proving non-existence of www.cssz.cz/DS alg 10, id 9068: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cssz.cz/DNSKEY alg 10, id 32292: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cssz.cz/DNSKEY alg 10, id 32292: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cssz.cz/DNSKEY alg 10, id 9068: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cssz.cz/DNSKEY alg 10, id 9068: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • RRSIG cssz.cz/SOA alg 10, id 9068: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 10 (RSASHA512). See RFC 8624, Sec. 3.1.
  • www.cssz.cz/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