Rank #7,910Updated November 10, 2026
ncku.edu.tw
Its email security grade is F. Its SSL certificate is issued by Sectigo Limited and is valid for 79 more days.
- Domain age
- —
- Technologies
- —
- Email security
- F
- SSL days left
- 79
Registration
| Name servers |
|---|
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 140.116.229.1 | 86400 |
| MX | mail.ncku.edu.tw 20 | 86400 |
| NS | apple.ncku.edu.tw | 86400 |
| NS | name.ncku.edu.tw | 86400 |
| TXT | ZA=jorjLqipshdTg4R1+EJM+w== | 3600 |
| TXT | google-site-verification=gIdZcybU5pwTOT7-DaOzGjeItpqkgyN9rDsxaNg1TEo | 3600 |
| TXT | v=spf1 ip4:140.116.229.0/24 ip4:140.116.248.16 ip4:140.116.248.17 ip4:140.116.248.18 ip4:140.116.248.21 ip4:140.116.248.22 ip4:140.116.248.23 include:_spf.google.com ~all | 3600 |
| TXT | Foxit-domain-verification=28ba3e4b92a8fb95ceb3f8a2cafbd9eb | 3600 |
| TXT | MS=ms55258625 | 3600 |
| TXT | google-site-verification=YahMfXIGI-sAy8n3ApC6MwzoSXM_tcIDjcC7tSp9Tzc | 3600 |
| TXT | cisco-ci-domain-verification=3680971a5fbc6160d04fb5065238688d7e6fcdda36f5b462ffd85459edcda66d | 3600 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | GB, Sectigo Public Server Authentication CA OV R36, Sectigo Limited |
| Expires | January 29, 2027 |
| Days remaining | 79 |
| Protocol | TLSv1.2 |
| Names | *.ncku.edu.tw, ncku.edu.tw |
Email security
FScore 48/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnDMARC policy is none (monitoring only). Spoofed mail is still delivered.
- warnNo DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
- goodDMARC aggregate reports are sent to mailto:[email protected].
- good1 MX record(s) found.
About ncku.edu.tw
Does ncku.edu.tw protect its email with SPF and DMARC?
ncku.edu.tw scores 48/100 (grade F) for email security. DMARC policy is none (monitoring only). Spoofed mail is still delivered. No DKIM key found at common selectors (google, selector1, selector2, default, k1, k2, s1, s2, ...). DKIM may still use a custom selector we cannot guess.
What are the name servers of ncku.edu.tw?
ncku.edu.tw uses apple.ncku.edu.tw, name.ncku.edu.tw.