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DNSViz

A DNS visualization tool

spc.edu

DNS Server Status
NoticeNotice: The features on this page are not yet fully developed but it has been deployed in its infant form to further aid with DNS/DNSSEC troubleshooting. This page will be updated in due time to make it more useful for troubleshooting.

Delegation Information

NameParent zoneChild zoneAuthoritative IPs
Exists?Glue/additional recordsExists?
ns1.xo.comyesA 207.155.248.16yesA207.155.248.16
AAAAAAAA
ns2.xo.comyesA 207.155.252.16yesA207.155.252.16
AAAAAAAA
ns3.xo.comyesA 207.88.20.31yesA207.88.20.31
AAAAAAAA
ns3.spc.eduyesA 207.155.248.16noA207.155.248.16
AAAAAAAA

Server information

207.155.252.16207.155.248.16207.88.20.31
Responsive over UDPOKOKOK
Responsive over TCPOKOKOK
Answers authoritatively (AA bit)OKOKOK
SOA serial consistentOKOKOK
SOA authority correct (NXDOMAIN)OKOKOK
SOA consistent (NXDOMAIN)OKOKOK
SOA authority correct (Empty Answer)OKOKOK
SOA consistent (Empty Answer)OKOKOK
EDNS capableERRERRERR
PMTU sufficient
Returns DNSKEY
Returns RRSIG
Returns NSEC/NSEC3 (NXDOMAIN)
Returns RRSIG covering NSEC/NSEC3 (NXDOMAIN)
Returns NSEC/NSEC3 (Empty Answer)
Returns RRSIG covering NSEC/NSEC3 (Empty Answer)