werkier.de

Valid Email Server
Domain Lookup › werkier.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
werkier.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 12:32:56 UTC · ↺ Refresh

MX Hostnames

  • mail.protonmail.ch
  • mailsec.protonmail.ch
  • w01853be.kasserver.com

MX Priorities

  • mail.protonmail.ch: 10
  • w01853be.kasserver.com: 10
  • mailsec.protonmail.ch: 20

A / AAAA Records

  • 85.13.136.76 ↩ dd14820.kasserver.com

Mail Server IPs

  • 185.205.70.128 ↩ mail.protonmail.ch
  • 185.70.42.128 ↩ mail.protonmail.ch
  • 176.119.200.128 ↩ mail.protonmail.ch
  • 85.13.136.76 ↩ dd14820.kasserver.com
  • 185.205.70.129 ↩ mailsec.protonmail.ch
  • 176.119.200.129 ↩ mailsec.protonmail.ch
  • 185.70.42.129 ↩ mailsec.protonmail.ch

SOA Record

Raw SOA ns5.kasserver.com hostmaster.kasserver.com 2602271302 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2602271302
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns5.kasserver.com
ns6.kasserver.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:spf.kasserver.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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

3 records
  • SPFv=spf1 a mx include:spf.kasserver.com ~all
  • SPFv=spf1 include:_spf.protonmail.ch ~all
  • protonmail-verification=299c820ed7f7b997944ccc97f281885070cf8d07
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
See demo & docs
Deep verification
Full email verification for werkier.de

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

No credit card required
Get 1,000 Free Credits