emkei.cz

Disposable Domain

Domain Overview

DNS: ✓ 8d ago Checker: ✓ 8d ago
emkei.cz
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-23 20:04:19 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.protonmail.ch
  • mailsec.protonmail.ch

MX Priorities

  • mail.protonmail.ch: 10
  • mailsec.protonmail.ch: 20

A / AAAA Records

  • 114.29.236.247 ↩ emkei.cz

Mail Server IPs

  • 185.205.70.128 ↩ mail.protonmail.ch
  • 185.70.42.128 ↩ mail.protonmail.ch
  • 176.119.200.128 ↩ mail.protonmail.ch
  • 176.119.200.129 ↩ mailsec.protonmail.ch
  • 185.70.42.129 ↩ mailsec.protonmail.ch
  • 185.205.70.129 ↩ mailsec.protonmail.ch

SOA Record

Raw SOA ns.forpsi.net admin.forpsi.com 2026050801 14400 3600 2592000 3600
Primary NS (mname)
ns.forpsi.net
Admin Email (rname)
admin@forpsi.com
Serial
2026050801
Refresh
14400s
Retry
3600s
Expire
2592000s
Minimum TTL
3600s

Nameservers (NS)

ns.forpsi.net
ns.forpsi.cz
ns.forpsi.it

SPF Record

✓ Strict (-all)
v=spf1 mx a include:_spf.protonmail.ch -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • protonmail-verification=5e2ffdf08b24056e28e0bb892a0445ea96368438
  • SPFv=spf1 mx a include:_spf.protonmail.ch -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 emkei.cz

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

No credit card required
Get 1,000 Free Credits