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DNSViz: A DNS visualization tool

freebsd.org

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (7)
  • freebsd.org/A
  • freebsd.org/AAAA
  • freebsd.org/MX
  • freebsd.org/NS
  • freebsd.org/NSEC3PARAM
  • freebsd.org/SOA
  • freebsd.org/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 30903)
  • ./DNSKEY (alg 8, id 46780)
  • freebsd.org/DNSKEY (alg 8, id 17514)
  • freebsd.org/DNSKEY (alg 8, id 920)
  • freebsd.org/DS (alg 8, id 920)
  • org/DNSKEY (alg 8, id 26974)
  • org/DNSKEY (alg 8, id 3093)
  • org/DNSKEY (alg 8, id 55149)
  • org/DS (alg 8, id 26974)

Delegation statusDelegation status

Secure (2)
  • . to org
  • org to freebsd.org

NoticesNotices

Errors (4)
  • freebsd.org/A: The UDP connection was refused (ECONNREFUSED). (216.66.80.18, UDP_-_EDNS0_4096_D_KN)
  • freebsd.org/AAAA: The UDP connection was refused (ECONNREFUSED). (216.66.80.18, UDP_-_EDNS0_4096_D_KN)
  • freebsd.org/SOA: No response was received from the server over UDP (tried 17 times). (216.66.80.18, UDP_-_EDNS0_4096_D)
  • freebsd.org/SOA: The TCP connection was refused (ECONNREFUSED). (216.66.80.18, TCP_-_EDNS0_4096_D_N)
Warnings (2)
  • freebsd.org/NSEC3PARAM: No response was received from the server over UDP (tried 7 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). (216.66.80.18, UDP_-_EDNS0_4096_D_KN)
  • freebsd.org/SOA: 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. (216.66.80.18, UDP_-_EDNS0_4096_D_KN_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