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DNSViz: A DNS visualization tool

alibaba.com

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

RRset statusRRset status

Insecure (5)
  • alibaba.com/A
  • alibaba.com/MX
  • alibaba.com/NS
  • alibaba.com/SOA
  • alibaba.com/TXT
Secure (2)
  • com/SOA
  • com/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 20826)
  • ./DNSKEY (alg 8, id 47671)
  • NSEC3 proving non-existence of alibaba.com/DS
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 37269)
  • com/DS (alg 8, id 30909)

Delegation statusDelegation status

Insecure (1)
  • com to alibaba.com
Secure (1)
  • . to com

NoticesNotices

Errors (4)
  • alibaba.com zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (140.205.122.66)
  • alibaba.com/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (140.205.67.252, UDP_-_EDNS0_512_D_KN)
  • alibaba.com/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (140.205.122.66, TCP_-_EDNS0_4096_D_N)
  • alibaba.com/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (1)
  • bm8jvoa5n1.alibaba.com/A 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
Warning JavaScript is required to make the graph below interactive.
DNSSEC authentication graph