main-klinik.de

Valid Email Server
Domain Lookup › main-klinik.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
main-klinik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 17:49:33 UTC · ↺ Refresh

MX Hostnames

  • smail-klw.dts-security.de
  • smail-klw-mta1.dts-security.de

MX Priorities

  • smail-klw-mta1.dts-security.de: 5
  • smail-klw.dts-security.de: 10

A / AAAA Records

  • 93.190.71.20 ↩ rapp1.regiogate.net

Mail Server IPs

  • 212.101.206.78 ↩ smail-klw-mta1.dts-security.de
  • 84.201.116.128 ↩ smail-klw.dts-security.de

SOA Record

Raw SOA a.ns14.net hostmaster.main-klinik.de 2024110400 28800 7200 604800 600
Primary NS (mname)
a.ns14.net
Admin Email (rname)
hostmaster@main-klinik.de
Serial
2024110400
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

b.ns14.net
d.ns14.net
a.ns14.net
c.ns14.net

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf1.dts-security.de ip4:81.169.209.3 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=none;pct=100;adkim=r;aspf=r;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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 mx include:spf1.dts-security.de ip4:81.169.209.3 -all
  • MS=ms99075502
  • google-site-verification=H2-hOx0ND6TUGlNuYW3hxbO6EyZ6CCPeceTiJLUL-Po
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 main-klinik.de

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

No credit card required
Get 1,000 Free Credits