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DNSViz: A DNS visualization tool

brooklyn.edu

Updated: 2022-01-24 00:23:19 UTC (988 days ago) Update now
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DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (3)
  • brooklyn.edu/MX
  • brooklyn.edu/NS
  • brooklyn.edu/SOA
Secure (2)
  • edu/SOA
  • edu/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 9799)
  • NSEC3 proving non-existence of brooklyn.edu/DS
  • edu/DNSKEY (alg 8, id 28065)
  • edu/DNSKEY (alg 8, id 47450)
  • edu/DS (alg 8, id 28065)

Delegation statusDelegation status

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

NoticesNotices

Errors (6)
  • brooklyn.edu zone: The following NS name(s) did not resolve to address(es): nsx.brooklyn.edu
  • brooklyn.edu zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (146.245.9.151)
  • brooklyn.edu zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (146.245.9.152, 146.245.9.153, 146.245.100.158)
  • brooklyn.edu/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (146.245.9.152, 146.245.9.153, 146.245.100.158, UDP_-_NOEDNS_)
  • brooklyn.edu/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (146.245.9.151, TCP_-_EDNS0_4096_D_N)
  • brooklyn.edu/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
  • edu to brooklyn.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): ns2.brooklyn.cuny.edu, ns1.brooklyn.cuny.edu See RFC 1034, Sec. 4.2.2.
  • edu to brooklyn.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: ns1.brooklyn.edu, nsx.brooklyn.edu See RFC 1034, Sec. 4.2.2.
  • edu to brooklyn.edu: The glue address(es) for ns1.brooklyn.edu (146.245.9.151) differed from its authoritative address(es) (146.245.9.152). See RFC 1034, Sec. 4.2.2.

DNSKEY legend

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