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DNSViz: A DNS visualization tool

sp.edu.sg

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

RRset statusRRset status

Bogus (7)
  • sp.edu.sg/A
  • sp.edu.sg/AAAA
  • sp.edu.sg/MX
  • sp.edu.sg/NS
  • sp.edu.sg/NSEC3PARAM
  • sp.edu.sg/SOA
  • sp.edu.sg/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Bogus (5)
  • sp.edu.sg/DNSKEY (alg 8, id 11131)
  • sp.edu.sg/DNSKEY (alg 8, id 13933)
  • sp.edu.sg/DNSKEY (alg 8, id 59401)
  • sp.edu.sg/DNSKEY (alg 8, id 62593)
  • sp.edu.sg/DNSKEY (alg 8, id 65479)
Secure (11)
  • ./DNSKEY (alg 8, id 18733)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 20826)
  • edu.sg/DNSKEY (alg 8, id 10130)
  • edu.sg/DNSKEY (alg 8, id 34224)
  • edu.sg/DS (alg 8, id 10130)
  • sg/DNSKEY (alg 8, id 45405)
  • sg/DNSKEY (alg 8, id 46664)
  • sg/DS (alg 8, id 46664)
  • sp.edu.sg/DS (alg 8, id 58969)
  • sp.edu.sg/DS (alg 8, id 62465)
Non_existent (1)
  • sp.edu.sg/DNSKEY (alg 8, id 58969)

Delegation statusDelegation status

Bogus (1)
  • edu.sg to sp.edu.sg
Secure (2)
  • . to sg
  • sg to edu.sg

NoticesNotices

Errors (3)
  • edu.sg to sp.edu.sg: 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. (164.78.252.50, 164.78.252.51, 2403:e900:ff1:e0fc::1:11, 2403:e900:ff1:e0fc::1:12, UDP_-_EDNS0_4096_D_KN)
  • 5jmgk8b47e.sp.edu.sg/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • sp.edu.sg/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (2)
  • 5jmgk8b47e.sp.edu.sg/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • sp.edu.sg/CNAME 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