Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
classic-fieseler.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 03:31:30 UTC · ↺ Refresh
MX Hostnames
- server1.t-m-net.de
MX Priorities
- server1.t-m-net.de: 10
A / AAAA Records
- 194.135.200.29 ↩ server1.t-m-net.de
Mail Server IPs
- 194.135.200.29 ↩ server1.t-m-net.de
SOA Record
Raw SOA
ns1.t-m-net.de hostmaster.t-m-net.de 2021052400 10000 2000 604800 180
Primary NS (mname)
ns1.t-m-net.de
Admin Email (rname)
hostmaster@t-m-net.de
Serial
2021052400
Refresh
10000s
Retry
2000s
Expire
604800s
Minimum TTL
180s
Nameservers (NS)
ns2.t-m-net.de
ns1.t-m-net.de
SPF Record
✓ Strict (-all)
v=spf1 a mx a:classic-fieseler.de ip4:194.135.200.24/29 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
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- SPFv=spf1 a mx a:classic-fieseler.de ip4:194.135.200.24/29 -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 classic-fieseler.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits