nptu.edu.tw

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

Domain Overview

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

Checked via [email protected] · 2026-10-29 23:26:41 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

  • alt1.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • aspmx3.googlemail.com
  • aspmx2.googlemail.com

MX Priorities

  • alt1.aspmx.l.google.com: 5
  • aspmx2.googlemail.com: 10
  • aspmx3.googlemail.com: 10
  • aspmx.l.google.com: 1
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

No A/AAAA records found.

Mail Server IPs

  • 192.178.234.27 ↩ ncsclj-in-f27.1e100.net
  • 2800:3f0:4003:c14::1a (no PTR)
  • 192.178.234.26 ↩ ncsclj-in-f26.1e100.net
  • 2800:3f0:4003:c14::1b (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 142.251.167.26 ↩ ww-in-f26.1e100.net
  • 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net

SOA Record

Raw SOA ns1.nptu.edu.tw yuen.mail.nptu.edu.tw 2015043529 3600 7200 604800 3600
Primary NS (mname)
ns1.nptu.edu.tw
Admin Email (rname)
yuen@mail.nptu.edu.tw
Serial
2015043529
Refresh
3600s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.nptu.edu.tw
ns2.nptu.edu.tw

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

8 records
  • Akm3TAU-D6MsbQOT7eIyNuWcZV-SEoBALvXmYYGRxt0
  • google-site-verification=rUMmNLuHh660Mjoj8dnxA0xGFyx0HZ1iqySxoX6hUPI
  • google-site-verification=DS9-saeM4gNSdGoU1HYnM-TwgFer64Ay1sRksC3PwKE
  • old_i6kHVZDG3e8S_3-pb4TJZW3iR9oJbJkmDdaI3JklR4g
  • google-site-verification=E6SwgQLk6BThD4lj47-7u9hTdh9wRPiZVyPKkI1RP10
  • google-site-verification=Qzt5-EvhzHJ6EqubK3ASwIjYnoci78YJMQfsqiRn2LE
  • SPFv=spf1 include:_spf.google.com ~all
  • 5OujQInY0Zh4mfh4V3nIeY49kwFlEE3mbu2rPwP-nGk
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 nptu.edu.tw

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

No credit card required
Get 1,000 Free Credits