DNS Report: ntnu.edu.tw

Generated: 2026-08-09T19:07:14-05:00

30/100

Diagnostics

StatusCheckPointsDetails
ERRORIPv4 (A)0/300 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/204 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
ERRORCAA policy0/5Certificate authority restriction.
ERRORDNS propagation0/10Agreement between public resolvers.
OKMX records20/203 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
ERRORValid TLS certificate0/55No valid certificate was retrieved.
ERRORCertificate lifetime0/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
ERRORIPv4 diversity0/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
ERRORDNS resolution0/40At least one address family must resolve.
ERRORHTTP response0/40No successful HTTP response.
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
AAAA
CNAME
MX
10 mg156.ntnu.edu.tw.
20 mg153.ntnu.edu.tw.
10 mg155.ntnu.edu.tw.
TXT
"v=spf1 ip4:140.122.65.0/24 include:_spf.google.com include:spf.protection.outlook.com  ~all"
"m2eqff488squne2m8sdoo6j9rp"
"google-site-verification=J-9RnVMxjPsx9_986oeJEFgkQc3ltwF_yR38OBnjPIw"
"google-site-verification=tttuk3oBj-zQNelZT659BMbC3lBRBFrLIOO-goq4H9I"
NS
dns3.ntnu.edu.tw.
cc.ntnu.edu.tw.
dns4.ntnu.edu.tw.
ns2.ntnu.edu.tw.
SOA
cc.ntnu.edu.tw. sysadm.ntnu.edu.tw. 2026080602 21600 7200 2419200 21600
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP