amn-trockenbau.de

Valid Email Server
Domain Lookup › amn-trockenbau.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
amn-trockenbau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 09:34:34 UTC · ↺ Refresh

MX Hostnames

  • mx1.f3n.de
  • mx2.f3n.de

MX Priorities

  • mx2.f3n.de: 10
  • mx1.f3n.de: 10

A / AAAA Records

  • 195.201.155.57 ↩ duerer.f3n.de
  • 2a01:4f8:13b:3e83::57 ↩ duerer.f3n.de

Mail Server IPs

  • 212.204.115.42 ↩ mx2.f3n.de
  • 212.204.115.41 ↩ mx1.f3n.de

SOA Record

Raw SOA ns1.f3n.de dns-admin.f3n.de 2025012101 10800 1800 3600000 1800
Primary NS (mname)
ns1.f3n.de
Admin Email (rname)
dns-admin@f3n.de
Serial
2025012101
Refresh
10800s
Retry
1800s
Expire
3600000s
Minimum TTL
1800s

Nameservers (NS)

ns1.f3n.de
ns2.f3n.de
ns3.f3n.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:f3n.de ~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

1 record
  • SPFv=spf1 include:f3n.de ~all
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 amn-trockenbau.de

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

No credit card required
Get 1,000 Free Credits