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DNSViz: A DNS visualization tool

epd.gov.hk

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

RRset statusRRset status

Secure (6)
  • epd.gov.hk/A
  • epd.gov.hk/MX
  • epd.gov.hk/NS
  • epd.gov.hk/NSEC3PARAM
  • epd.gov.hk/SOA
  • epd.gov.hk/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (16)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 951)
  • epd.gov.hk/DNSKEY (alg 8, id 26043)
  • epd.gov.hk/DNSKEY (alg 8, id 8446)
  • epd.gov.hk/DS (alg 8, id 8446)
  • 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)

Delegation statusDelegation status

Secure (3)
  • . to hk
  • gov.hk to epd.gov.hk
  • hk to gov.hk

NoticesNotices

Errors (8)
  • epd.gov.hk zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (202.76.4.2, 210.184.16.66)
  • epd.gov.hk/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (202.76.4.2, 210.184.16.66, UDP_-_NOEDNS_)
  • 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.
  • epd.gov.hk/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (202.76.4.2, 210.184.16.66, UDP_-_NOEDNS_)
  • k2noqatl9z.epd.gov.hk/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • epd.gov.hk/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • epd.gov.hk/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (5)
  • 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.
  • k2noqatl9z.epd.gov.hk/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • epd.gov.hk/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • epd.gov.hk/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
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DNSSEC authentication graph