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DNSViz: A DNS visualization tool

danuoyi.alicdn.com

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DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (2)
  • danuoyi.alicdn.com/NS
  • danuoyi.alicdn.com/SOA
Secure (3)
  • com/SOA
  • com/SOA
  • com/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 33853)
  • NSEC3 proving non-existence of alicdn.com/DS
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 56311)
  • com/DS (alg 8, id 30909)

Delegation statusDelegation status

Insecure (2)
  • alicdn.com to danuoyi.alicdn.com
  • com to alicdn.com
Secure (1)
  • . to com

NoticesNotices

Errors (2)
  • danuoyi.alicdn.com zone: The server(s) were not responsive to queries over TCP. (47.89.91.91)
  • danuoyi.alicdn.com/SOA: No response was received from the server over TCP (tried 3 times). (47.89.91.91, TCP_-_EDNS0_4096_D)
Warnings (4)
  • danuoyi.alicdn.com/DNSKEY: The Authoritative Answer (AA) flag was set in the referral response. (106.11.35.18, 140.205.67.254, 140.205.122.66, 198.11.138.254, UDP_-_EDNS0_4096_D_K, UDP_-_EDNS0_512_D_K)
  • danuoyi.alicdn.com/NS: The Authoritative Answer (AA) flag was set in the referral response. (106.11.35.18, 140.205.67.254, 140.205.122.66, 198.11.138.254, UDP_-_EDNS0_4096_D_K)
  • danuoyi.alicdn.com/SOA: The Authoritative Answer (AA) flag was set in the referral response. (106.11.35.18, 140.205.67.254, 140.205.122.66, 198.11.138.254, TCP_-_EDNS0_4096_D, UDP_-_EDNS0_4096_D_K, UDP_-_EDNS0_4096_D_K_0x20)
  • danuoyi.alicdn.com/SOA: The server responded with no OPT record, rather than with RCODE FORMERR. (120.25.118.65, UDP_-_EDNS0_4096_D_K_0x20)

DNSKEY legend

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