rkh-kliniken.de

Valid Email Server
Domain Lookup › rkh-kliniken.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rkh-kliniken.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 09:49:56 UTC · ↺ Refresh

MX Hostnames

  • mx1.belwue.de
  • mx4.belwue.de
  • mx2.belwue.de
  • mx3.belwue.de

MX Priorities

  • mx1.belwue.de: 10
  • mx2.belwue.de: 10
  • mx3.belwue.de: 10
  • mx4.belwue.de: 10

A / AAAA Records

  • 37.202.2.121 ↩ r25326.agenturserver.it
  • 2a03:2a00:1200::1:0:0:3503 ↩ r25326.agenturserver.it

Mail Server IPs

  • 129.143.76.1 ↩ mail-in01.belwue.de
  • 129.143.76.2 ↩ mail-in02.belwue.de
  • 2001:7c0::76:0:0:0:2 ↩ mail-in02.belwue.de
  • 2001:7c0::76:0:0:0:1 ↩ mail-in01.belwue.de
  • 129.143.76.3 ↩ mail-in03.belwue.de
  • 2001:7c0::76:0:0:0:3 ↩ mail-in03.belwue.de
  • 129.143.76.4 ↩ mail-in04.belwue.de
  • 2001:7c0::76:0:0:0:4 ↩ mail-in04.belwue.de

SOA Record

Raw SOA hydrogen.ns.hetzner.com dns.hetzner.com 2025112701 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2025112701
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

oxygen.ns.hetzner.com
helium.ns.hetzner.de
hydrogen.ns.hetzner.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.belwue.de ip4:91.213.198.0/24 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

5 records
  • cisco-ci-domain-verification=20912f80803b5710aed63e8d26aa58fb75cea5270d01e5240c94739c93d83b09
  • SPFv=spf1 include:_spf.belwue.de ip4:91.213.198.0/24 ~all
  • MS=ms80723748
  • Regionale Kliniken Holding RKH GmbH, Posilipostr. 4, 71640 Ludwigsburg
  • _k6w62jufoesebgii97ru7lxj5gu2zxb
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 rkh-kliniken.de

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

No credit card required
Get 1,000 Free Credits