DNS Report: nsysu.edu.tw

Generated: 2026-08-11T00:01:46-05:00

21/100

Diagnostics

StatusCheckPointsDetails
ERRORIPv4 (A)0/300 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/202 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 records20/201 MX record(s).
OKSPF25/25SPF policy published.
ERRORDMARC0/25DMARC policy not found.
ERRORDKIM0/20No tested DKIM selector responded.
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
0 spamgw.nsysu.edu.tw.
TXT
"linkedin-site-verification=48d1c011-48b3-4fbc-acce-d22b4154bd7f"
"K96VxhxAOHSewa5o7GN4N54ZzYqEtL2tDp8eAh9H9-Y"
"v=spf1 ip4:140.117.11.50/26 ip4:140.117.11.245 ip4:140.117.11.162 ip4:117.20.42.8/29 ip4:216.147.221.8/31  include:_spf.google.com include:spf-ap.exlibrisgroup.com mx ~all"
NS
dns2.nsysu.edu.tw.
dns.nsysu.edu.tw.
SOA
dns.nsysu.edu.tw. ptko.mail.nsysu.edu.tw. 2026081001 3600 600 86400 300
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP