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DNSViz: A DNS visualization tool

lafayette.edu

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

RRset statusRRset status

Insecure (5)
  • lafayette.edu/A
  • lafayette.edu/MX
  • lafayette.edu/NS
  • lafayette.edu/SOA
  • lafayette.edu/TXT
Secure (2)
  • edu/SOA
  • edu/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 18733)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 20826)
  • NSEC3 proving non-existence of lafayette.edu/DS
  • edu/DNSKEY (alg 8, id 18290)
  • edu/DNSKEY (alg 8, id 28065)
  • edu/DS (alg 8, id 28065)

Delegation statusDelegation status

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

NoticesNotices

Errors (2)
  • lafayette.edu zone: The following NS name(s) did not resolve to address(es): nsauth0.lafayette.edu, nsauth1.lafayette.edu
  • lafayette.edu/SOA: The UDP connection was refused (ECONNREFUSED). See RFC 1035, Sec. 4.2. (54.160.36.54, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
Warnings (7)
  • lafayette.edu/A: 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. (54.160.36.54, UDP_-_EDNS0_4096_D_KN)
  • lafayette.edu/MX: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (54.160.36.54, UDP_-_EDNS0_4096_D_KN)
  • lafayette.edu/TXT: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (54.160.36.54, UDP_-_EDNS0_4096_D_KN)
  • lafayette.edu/NSEC3PARAM has warnings; select the "Denial of existence" DNSSEC option to see them.
  • lafayette.edu/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • lafayette.edu/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • 9jobmueatk.lafayette.edu/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
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DNSSEC authentication graph