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DNSViz: A DNS visualization tool

hofstra.edu

Updated: 2021-03-12 18:41:05 UTC (100 days ago) Update now
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DNSSEC options (hide)
  1. |?|
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (6)
  • hofstra.edu/A
  • hofstra.edu/AAAA
  • hofstra.edu/MX
  • hofstra.edu/NS
  • hofstra.edu/SOA
  • hofstra.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 42351)
  • NSEC3 proving non-existence of hofstra.edu/DS
  • edu/DNSKEY (alg 8, id 28065)
  • edu/DNSKEY (alg 8, id 62987)
  • edu/DS (alg 8, id 28065)

Delegation statusDelegation status

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

NoticesNotices

Errors (4)
  • hofstra.edu zone: The following NS name(s) did not resolve to address(es): huib-dr-syr.hofstra.edu
  • hofstra.edu zone: The server(s) were not responsive to queries over UDP. (199.110.241.8)
  • hofstra.edu/A: No response was received from the server over UDP (tried 12 times). (199.110.241.8, UDP_-_NOEDNS_)
  • hofstra.edu/NS: No response was received from the server over UDP (tried 12 times). (199.110.241.8, UDP_-_NOEDNS_)
Warnings (2)
  • edu to hofstra.edu: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the edu zone): huib-dr.hofstra.edu
  • edu to hofstra.edu: The following NS name(s) were found in the delegation NS RRset (i.e., in the edu zone), but not in the authoritative NS RRset: huib-dr-syr.hofstra.edu

DNSKEY legend

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