compentus-gmbh.de

Valid Email Server
Domain Lookup › compentus-gmbh.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
compentus-gmbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 18:48:22 UTC · ↺ Refresh

MX Hostnames

  • mail2.zeb.de
  • mail1.zeb.de

MX Priorities

  • mail1.zeb.de: 10
  • mail2.zeb.de: 20

A / AAAA Records

  • 209.38.182.176 (no PTR)

Mail Server IPs

  • 52.174.253.56 ↩ mail1.zeb.de
  • 52.174.249.107 ↩ mail2.zeb.de

SOA Record

Raw SOA ns3.icsmedia.de noc.icsmedia.de 2024090300 16384 2048 1048576 2560
Primary NS (mname)
ns3.icsmedia.de
Admin Email (rname)
noc@icsmedia.de
Serial
2024090300
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s

Nameservers (NS)

ns4.icsmedia.de
ns1.dts-online.net
ns3.icsmedia.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:52.232.41.242 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 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

6 records
  • miro-verification=a6bc1327d5fadce6b70c8377361a0b0deaf760f7
  • SPFv=spf1 mx ip4:52.232.41.242 include:spf.protection.outlook.com -all
  • zone-ownership-verification-25472bcca1b1438a97d9c9141f96482d3758eb6ea23f2359714e84f77b4d8b11
  • cisco-ci-domain-verification=444024376af3e05e2440bfee61b23096746f2097df39b2561bf15e4b6a70daa1
  • ZOOM_verify_znl0UwIKJygH7h1yK45bdw
  • mentimeter-047ae48e-7077-47db-8093-2db1f2cff508
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 compentus-gmbh.de

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

No credit card required
Get 1,000 Free Credits