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DNSViz: A DNS visualization tool

www.cssz.cz

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

RRset statusRRset status

Insecure (9)
  • ia5ykqhlb6.www.cssz.cz/A (NODATA)
  • www.cssz.cz/A
  • www.cssz.cz/AAAA
  • www.cssz.cz/CNAME (NODATA)
  • www.cssz.cz/MX (NODATA)
  • www.cssz.cz/NS (NODATA)
  • www.cssz.cz/NSEC3PARAM (NODATA)
  • www.cssz.cz/SOA (NODATA)
  • www.cssz.cz/TXT (NODATA)
Secure (1)
  • cssz.cz/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (9)
  • ./DNSKEY (alg 8, id 14748)
  • ./DNSKEY (alg 8, id 20326)
  • 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 48203)
  • 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 (14)
  • ia5ykqhlb6.www.cssz.cz/A (NODATA): No SOA RR was returned with the NODATA response. (193.86.92.11, 193.86.205.211, UDP_-_EDNS0_4096_D_KN)
  • ia5ykqhlb6.www.cssz.cz/A (NODATA): The Authoritative Answer (AA) flag was not set in the response. (193.86.92.11, 193.86.205.211, UDP_-_EDNS0_4096_D_KN)
  • www.cssz.cz/CNAME (NODATA): No SOA RR was returned with the NODATA response. (193.86.92.11, 193.86.205.211, UDP_-_EDNS0_4096_D_KN)
  • www.cssz.cz/CNAME (NODATA): The Authoritative Answer (AA) flag was not set in the response. (193.86.92.11, 193.86.205.211, UDP_-_EDNS0_4096_D_KN)
  • www.cssz.cz/MX (NODATA): No SOA RR was returned with the NODATA response. (193.86.92.11, 193.86.205.211, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • www.cssz.cz/MX (NODATA): The Authoritative Answer (AA) flag was not set in the response. (193.86.92.11, 193.86.205.211, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_512_D_KN)
  • www.cssz.cz/NS (NODATA): No SOA RR was returned with the NODATA response. (193.86.92.11, 193.86.205.211, UDP_-_EDNS0_4096_D_KN)
  • www.cssz.cz/NS (NODATA): The Authoritative Answer (AA) flag was not set in the response. (193.86.92.11, 193.86.205.211, UDP_-_EDNS0_4096_D_KN)
  • www.cssz.cz/NSEC3PARAM (NODATA): No SOA RR was returned with the NODATA response. (193.86.92.11, 193.86.205.211, UDP_-_EDNS0_4096_D_KN)
  • www.cssz.cz/NSEC3PARAM (NODATA): The Authoritative Answer (AA) flag was not set in the response. (193.86.92.11, 193.86.205.211, UDP_-_EDNS0_4096_D_KN)
  • www.cssz.cz/SOA (NODATA): No SOA RR was returned with the NODATA response. (193.86.92.11, 193.86.205.211, TCP_-_EDNS0_4096_D_N, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • www.cssz.cz/SOA (NODATA): The Authoritative Answer (AA) flag was not set in the response. (193.86.92.11, 193.86.205.211, TCP_-_EDNS0_4096_D_N, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • www.cssz.cz/TXT (NODATA): No SOA RR was returned with the NODATA response. (193.86.92.11, 193.86.205.211, UDP_-_EDNS0_4096_D_KN)
  • www.cssz.cz/TXT (NODATA): The Authoritative Answer (AA) flag was not set in the response. (193.86.92.11, 193.86.205.211, UDP_-_EDNS0_4096_D_KN)
Warnings (7)
  • RRSIG NSEC3 proving non-existence of www.cssz.cz/DS alg 10, id 9068: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG NSEC3 proving non-existence of www.cssz.cz/DS alg 10, id 9068: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG cssz.cz/DNSKEY alg 10, id 32292: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG cssz.cz/DNSKEY alg 10, id 32292: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG cssz.cz/DNSKEY alg 10, id 9068: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG cssz.cz/DNSKEY alg 10, id 9068: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).
  • RRSIG cssz.cz/SOA alg 10, id 9068: DNSSEC specification recommends not signing with DNSSEC algorithm 10 (RSASHA512).

DNSKEY legend

Full legend
SEP bit setSEP bit set
Revoke bit setRevoke bit set
Trust anchorTrust anchor
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DNSSEC authentication graph