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DNSViz: A DNS visualization tool

target.com

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

RRset statusRRset status

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

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 20826)
  • NSEC3 proving non-existence of target.com/DS
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 32298)
  • com/DS (alg 8, id 30909)

Delegation statusDelegation status

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

NoticesNotices

Errors (1)
  • target.com zone: The following NS name(s) resolved to IP address(es) in private IP address space: tczttsdcx05p.extdns.target.com, tczttsdcx10p.extdns.target.com, tczttsdcx11p.extdns.target.com, tezttsdcx10p.extdns.target.com, tezttsdcx11p.extdns.target.com
Warnings (3)
  • ./DNSKEY (alg 8, id 20326): No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. See RFC 6891, Sec. 6.2.6. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 20826): No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. See RFC 6891, Sec. 6.2.6. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
  • com to target.com: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the com zone): tczttsdcx05p.extdns.target.com, tczttsdcx10p.extdns.target.com, tczttsdcx11p.extdns.target.com, tezttsdcx10p.extdns.target.com, tezttsdcx11p.extdns.target.com See RFC 1034, Sec. 4.2.2.

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