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DNSViz: A DNS visualization tool

northeastern.edu

Updated: 2024-12-03 16:40:42 UTC (101 days ago) Update now
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DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

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

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 61050)
  • NSEC3 proving non-existence of northeastern.edu/DS
  • edu/DNSKEY (alg 13, id 26800)
  • edu/DNSKEY (alg 13, id 35663)
  • edu/DS (alg 13, id 35663)

Delegation statusDelegation status

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

NoticesNotices

Errors (2)
  • northeastern.edu/DNSKEY: No response was received from the server over UDP (tried 2 times). See RFC 1035, Sec. 4.2. (2600:1408:1c::40, UDP_-_EDNS0_512_D_KN)
  • northeastern.edu/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (1)
  • northeastern.edu/TXT: 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. (2600:1480:f000::41, UDP_-_EDNS0_4096_D_KN)

DNSKEY legend

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