Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
timdubowy.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 23:13:39 UTC · ↺ Refresh
MX Hostnames
- SMTP.GOOGLE.COM
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 212.132.126.36 ↩ s21213212636.ssl-kundenserver.eu
Mail Server IPs
- 192.178.218.26 ↩ yuiadtq-in-f26.1e100.net
- 142.251.16.26 ↩ bl-in-f26.1e100.net
- 142.251.179.26 ↩ pd-in-f26.1e100.net
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 192.178.218.27 ↩ yuiadtq-in-f27.1e100.net
- 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
- 2607:f8b0:4004:c25::1b ↩ yuiadtq-in-f27.1e100.net
- 2607:f8b0:4004:c25::1a ↩ yuiadtq-in-f26.1e100.net
- 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
SOA Record
Raw SOA
ns1.ns-serve.net root.ns1.ns-serve.net 1681979292 10800 3600 604800 3600
Primary NS (mname)
ns1.ns-serve.net
Admin Email (rname)
root@ns1.ns-serve.net
Serial
1681979292
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.ns-serve.net
ns2.ns-serve.net
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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- GOOGLE-SITE-VERIFICATION=-XDIKOM3DHQRUKK8Y_XQR81F0KR4YDTJACSL2ODFGYU
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 timdubowy.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits