mentorat-rottenburg.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mentorat-rottenburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 11:21:36 UTC · ↺ Refresh

MX Hostnames

  • mail.mentorat-rottenburg.de

MX Priorities

  • mail.mentorat-rottenburg.de: 10

A / AAAA Records

  • 80.239.139.33 ↩ ns1.airis.de

Mail Server IPs

  • 80.239.139.33 ↩ ns1.airis.de

SOA Record

Raw SOA ns01.1blu.de hostmaster.1blu.de 2020092103 43200 5400 604800 86400
Primary NS (mname)
ns01.1blu.de
Admin Email (rname)
hostmaster@1blu.de
Serial
2020092103
Refresh
43200s
Retry
5400s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns01.1blu.de
ns02.1blu.de

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

No TXT records found.

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 mentorat-rottenburg.de

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

No credit card required
Get 1,000 Free Credits