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DNSViz: A DNS visualization tool

epd.gov.hk

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

RRset statusRRset status

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (13)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 951)
  • epd.gov.hk/DS (alg 8, id 8446)
  • gov.hk/DNSKEY (alg 8, id 14464)
  • gov.hk/DNSKEY (alg 8, id 35104)
  • gov.hk/DNSKEY (alg 8, id 58207)
  • gov.hk/DNSKEY (alg 8, id 59628)
  • gov.hk/DS (alg 8, id 14464)
  • hk/DNSKEY (alg 8, id 26556)
  • hk/DNSKEY (alg 8, id 34911)
  • hk/DNSKEY (alg 8, id 46912)
  • hk/DNSKEY (alg 8, id 859)
  • hk/DS (alg 8, id 859)
Non_existent (1)
  • epd.gov.hk/DNSKEY (alg 8, id 8446)

Delegation statusDelegation status

Bogus (1)
  • gov.hk to epd.gov.hk
Secure (2)
  • . to hk
  • hk to gov.hk

NoticesNotices

Errors (4)
  • epd.gov.hk zone: The following NS name(s) did not resolve to address(es): ns21.hk.net, ns22.hk.net, ns31.hk.net, ns32.hk.net
  • epd.gov.hk/DS (alg 8, id 8446): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • epd.gov.hk/DS (alg 8, id 8446): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • gov.hk to epd.gov.hk: No valid RRSIGs made by a key corresponding to a DS RR were found covering the DNSKEY RRset, resulting in no secure entry point (SEP) into the zone. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11.
Warnings (3)
  • epd.gov.hk zone: No IPv4 addresses were found for NS records in the parent or child zone.
  • epd.gov.hk/DS (alg 8, id 8446): 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.
  • epd.gov.hk/DS (alg 8, id 8446): 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.

DNSKEY legend

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