ncku.edu.tw

Valid Email Server
Domain Lookup › ncku.edu.tw
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
ncku.edu.tw
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-10-29 23:26:53 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mail.ncku.edu.tw

MX Priorities

  • mail.ncku.edu.tw: 20

A / AAAA Records

  • 140.116.229.1 ↩ ncku.edu.tw

Mail Server IPs

  • 140.116.229.1 ↩ ncku.edu.tw

SOA Record

Raw SOA apple.ncku.edu.tw abuse.mail.ncku.edu.tw 2026102802 21600 1800 1209600 1800
Primary NS (mname)
apple.ncku.edu.tw
Admin Email (rname)
abuse@mail.ncku.edu.tw
Serial
2026102802
Refresh
21600s
Retry
1800s
Expire
1209600s
Minimum TTL
1800s

Nameservers (NS)

apple.ncku.edu.tw
name.ncku.edu.tw

SPF Record

✓ Soft Fail (~all)
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
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

7 records
  • Foxit-domain-verification=28ba3e4b92a8fb95ceb3f8a2cafbd9eb
  • google-site-verification=gIdZcybU5pwTOT7-DaOzGjeItpqkgyN9rDsxaNg1TEo
  • ZA=jorjLqipshdTg4R1+EJM+w==
  • google-site-verification=YahMfXIGI-sAy8n3ApC6MwzoSXM_tcIDjcC7tSp9Tzc
  • MS=ms55258625
  • cisco-ci-domain-verification=3680971a5fbc6160d04fb5065238688d7e6fcdda36f5b462ffd85459edcda66d
  • SPFv=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
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for ncku.edu.tw

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits