timmermanns.de

Valid Email Server

Domain Overview

DNS: ✓ 3mo ago Checker: ✓ 3mo ago
timmermanns.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-11 01:25:14 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mx.secumail.de

MX Priorities

  • mx.secumail.de: 10

A / AAAA Records

  • 194.77.169.120 (no PTR)

Mail Server IPs

  • 212.11.225.133 ↩ sc01.secumail.de
  • 212.11.224.132 ↩ sc02.secumail.de
  • 212.11.224.154 ↩ sc04.secumail.de
  • 212.11.225.17 ↩ sc03.secumail.de

SOA Record

Raw SOA nsa1.schlundtech.de michael\.hendrich.timmermanns.de 2025112612 43200 7200 1209600 600
Primary NS (mname)
nsa1.schlundtech.de
Admin Email (rname)
michael\@hendrich.timmermanns.de
Serial
2025112612
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

nsb1.schlundtech.de
nsa1.schlundtech.de
nsd1.schlundtech.de
nsc1.schlundtech.de

SPF Record

✓ Strict (-all)
v=spf1 a:PrintToMail.net include:_spf.perfora.net include:_spf.kundenserver.de include:spf.nl2go.com include:eu.transmail.net include:spf.secumail.de include:spf.protection.outlook.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ 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

7 records
  • swisssign-check=CWJBa8iZl2RIkUtLIcvegabXmUw
  • google-site-verification=-WVkqF0Ob9Mr6pRGX84x02GpRax2YeHMj5FZY0aGfDs
  • CRTJj/au7xUj/4Ok17P+5AGrmr6vpFKwid+mifJ61LQ=
  • fmn11tuntj743l17nuh2qfphmr
  • MS=ms63106320
  • logmein-verification-code=11e4b432-8a4a-4e50-9c26-7a1463e22f85
  • SPFv=spf1 a:PrintToMail.net include:_spf.perfora.net include:_spf.kundenserver.de include:spf.nl2go.com include:eu.transmail.net include:spf.secumail.de include:spf.protection.outlook.com -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 · Customize →
See demo & docs
Deep verification
Full email verification for timmermanns.de

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

No credit card required
Get 1,000 Free Credits