Domain Overview
DNS: ✓ 26d ago
Checker: ✓ 26d ago
49-90.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-12 19:35:29 UTC · ↺ Refresh
MX Hostnames
- mail.49-90.ch
MX Priorities
- mail.49-90.ch: 10
A / AAAA Records
- 81.209.255.165 ↩ 165.cs1.karsch-net.de
Mail Server IPs
- 217.7.126.70 ↩ email.pallhuber.de
SOA Record
Raw SOA
ns25.ns25.de skarsch.karsch-net.de 2016120601 43200 7200 1209600 86400
Primary NS (mname)
ns25.ns25.de
Admin Email (rname)
skarsch@karsch-net.de
Serial
2016120601
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns25.ns25.de
ns26.ns26.de
ns28.ns28.de
ns27.ns27.de
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
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 · Customize →
See demo & docs
Deep verification
Full email verification for 49-90.ch
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits