cotek.com.tw

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

Domain Overview

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

Checked via [email protected] · 2026-07-01 16:45:50 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.cotek.com.tw
  • eeaf9c8164068a7d2df49c9b8fc80aef5c614376.msv1.invalid

MX Priorities

  • eeaf9c8164068a7d2df49c9b8fc80aef5c614376.msv1.invalid: 10
  • mail.cotek.com.tw: 5

A / AAAA Records

  • 59.120.62.10 ↩ cotek.com.tw

Mail Server IPs

  • 59.120.62.12 ↩ mail.cotek.com.tw

SOA Record

Raw SOA ns11.twnic.net.tw tech.twnic.net.tw 1782890721 3600 600 86400 38400
Primary NS (mname)
ns11.twnic.net.tw
Admin Email (rname)
tech@twnic.net.tw
Serial
1782890721
Refresh
3600s
Retry
600s
Expire
86400s
Minimum TTL
38400s

Nameservers (NS)

ns11.twnic.net.tw
ns12.twnic.net.tw

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:59.120.62.12 ~all
📊 DNS lookups: 0/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim

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

All TXT Records

3 records
  • SPFv=spf1 ip4:59.120.62.12 ~all
  • google-site-verification=suIkL10nZqKG66w5dey5CoMzvE7ac-xmWl1kTtdWKw4
  • MuVkM5wy2cSNWCCpsdxk-gGSfaZsIr3PqwO9AhuFXsE
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 cotek.com.tw

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

No credit card required
Get 1,000 Free Credits