liebau-personal.de

Valid Email Server
Domain Lookup › liebau-personal.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
liebau-personal.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 15:53:57 UTC · ↺ Refresh

MX Hostnames

  • liebaupersonal-de01e.mail.protection.outlook.com

MX Priorities

  • liebaupersonal-de01e.mail.protection.outlook.com: 0

A / AAAA Records

  • 178.250.170.177 ↩ tyr.cl-server.de

Mail Server IPs

  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.crayssnlabs.de hosting.crayssnlabs.de 2026011922 43200 7200 1209600 86400
Primary NS (mname)
ns1.crayssnlabs.de
Admin Email (rname)
hosting@crayssnlabs.de
Serial
2026011922
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.crayssnlabs.de
ns4.crayssnlabs.de
ns1.crayssnlabs.de
ns3.crayssnlabs.de

SPF Record

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

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
⚠ 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
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.cl-server.de -all
  • MS=ms75156660
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 liebau-personal.de

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

No credit card required
Get 1,000 Free Credits