DNS Report: nctu.edu.tw

Generated: 2026-08-10T11:44:05-05:00

24/100

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.
OKDNSSEC chain15/15DS and DNSKEY detected.
ERRORCAA policy0/5Certificate authority restriction.
ERRORDNS propagation0/10Agreement between public resolvers.
OKMX records20/202 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 gw1-mail.nctu.edu.tw.
10 gw2-mail.nctu.edu.tw.
TXT
"google-site-verification=Yb3SUzjOJHmkovbjHEg6tvJBxt4LWBJxoFCQ0-Fnk8Y"
"v=spf1 ip4:140.113.2.64/26 ip4:211.76.241.6 ip4:140.113.98.162 ip4:140.113.98.175 ip4:140.113.9.141 include:_spf.google.com ~all"
"sIjAnVFk4y2u8l0PKKMck8GfeOW7uRJgQqJbmmg3Uxc"
NS
ns2.nycu.edu.tw.
ns1.nycu.edu.tw.
SOA
ns1.nycu.edu.tw. hostmaster.ncyu.edu.tw. 2026080403 10800 3600 604800 3600
CAA
DS
61246 13 2 A95E780157A4CE625203AE505D7F1DAE1F1F2568C2C8D1E1272109B5 E4349FDF
61246 13 1 06742D961BD6B739276060778136E7DAA739E494
DNSKEY
257 3 13 0mkhuSUnHTNPKK6zyiNowlu1yU4Ega1OClyUKbb2H+Xqlj1lzmLy1xhJ hPKbffAAf1YFJvY5I3/KnxSGchk2Vg==
RRSIG
DNSKEY 13 3 3600 20260820000000 20260730000000 61246 nctu.edu.tw. AMa70gh+RRxchRlhFK4o9PZAJJHm3dXX7vapOBaack2y7WVP9ZkswwDz kfIJc8ideqqEiY6BDgowibKBdse0wQ==
DS 8 3 300 20260814104849 20260810102243 52491 edu.tw. O9s0cYuGOsavXfHGT/MmtHji2V3j/k3aJt0uCbVgcuKrtKTDfgPHq5dv zKF/y1E6xx/dHzcLId9x82KA21zL5GsDg0SuBHT32QytEjPhcx2Klq0B M/H/mPyJluzzZOsMNBV47U877Zrt0CqcDzpzvf0PIM1TgnirmJmTw9jL mKU=
NS 13 3 604800 20260820000000 20260730000000 61246 nctu.edu.tw. oB6Geq9Bl7MjhVzZ8zymWcbn65BL15h4wxqm2+6d9Rt6tOV5ZnmWKOLT L7xYKN9RLXRMirpA8EXQM7nBRXrKGg==
MX 13 3 604800 20260820000000 20260730000000 61246 nctu.edu.tw. Gq8kav6vna7Ny5HVeqZYI+m3BFzCKf+Hs2iu5IQ4a2pQQB36tKBY9Pw2 tWPpQhoU2MRydwpR1+Dpo3Ad9sX/Nw==
NSEC
aa.nctu.edu.tw. NS SOA MX TXT RRSIG NSEC DNSKEY
NSEC3
SRV
NAPTR
TLSA
SSHFP