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DNSViz: A DNS visualization tool

mff.cuni.cz

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

RRset statusRRset status

Secure (5)
  • mff.cuni.cz/A
  • mff.cuni.cz/MX
  • mff.cuni.cz/NS
  • mff.cuni.cz/NSEC3PARAM
  • mff.cuni.cz/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 20038)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 61050)
  • cuni.cz/DNSKEY (alg 13, id 32757)
  • cuni.cz/DS (alg 13, id 32757)
  • cz/DNSKEY (alg 13, id 19571)
  • cz/DNSKEY (alg 13, id 20237)
  • cz/DS (alg 13, id 20237)
  • mff.cuni.cz/DNSKEY (alg 13, id 47500)
  • mff.cuni.cz/DS (alg 13, id 47500)

Delegation statusDelegation status

Secure (3)
  • . to cz
  • cuni.cz to mff.cuni.cz
  • cz to cuni.cz

NoticesNotices

Errors (6)
  • mff.cuni.cz/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • mff.cuni.cz/TXT has errors; select the "Denial of existence" DNSSEC option to see them.
  • hmtil.8inyz.mff.cuni.cz/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • mff.cuni.cz/CDS has errors; select the "Denial of existence" DNSSEC option to see them.
  • mff.cuni.cz/CDNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • mff.cuni.cz/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (7)
  • cuni.cz to mff.cuni.cz: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the cuni.cz zone): ns.n.mff.cuni.cz See RFC 1034, Sec. 4.2.2.
  • mff.cuni.cz/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mff.cuni.cz/TXT has warnings; select the "Denial of existence" DNSSEC option to see them.
  • hmtil.8inyz.mff.cuni.cz/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mff.cuni.cz/CDS has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mff.cuni.cz/CDNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mff.cuni.cz/AAAA 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
Download: png | svg
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DNSSEC authentication graph