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DNSViz: A DNS visualization tool

edu.dz

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

RRset statusRRset status

Insecure (2)
  • edu.dz/NS
  • edu.dz/SOA
Secure (1)
  • dz/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 48903)
  • NSEC proving non-existence of edu.dz/DS
  • dz/DNSKEY (alg 8, id 17380)
  • dz/DNSKEY (alg 8, id 45579)
  • dz/DS (alg 8, id 17380)
  • dz/DS (alg 8, id 17380)

Delegation statusDelegation status

Insecure (1)
  • dz to edu.dz
Secure (1)
  • . to dz

NoticesNotices

Errors (4)
  • dz zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2001:4340:1030:2::2)
  • edu.dz zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2001:4340:1030:2::2)
  • edu.dz/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2001:4340:1030:2::2, UDP_-_NOEDNS_)
  • edu.dz/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (4)
  • dz/DS (alg 8, id 17380): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • dz/DS (alg 8, id 17380): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • dz/DS (alg 8, id 17380): 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.
  • dz/DS (alg 8, id 17380): 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