Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
rehbein-koeln.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 18:16:37 UTC · ↺ Refresh
MX Hostnames
- mail.arehbein.de
MX Priorities
- mail.arehbein.de: 10
A / AAAA Records
- 78.47.62.213 ↩ mail.arehbein.de
Mail Server IPs
- 78.47.62.213 ↩ mail.arehbein.de
SOA Record
Raw SOA
ns1.arehbein.de server.arehbein.de 2019102613 3600 900 604800 1200
Primary NS (mname)
ns1.arehbein.de
Admin Email (rname)
server@arehbein.de
Serial
2019102613
Refresh
3600s
Retry
900s
Expire
604800s
Minimum TTL
1200s
Nameservers (NS)
robotns3.second-ns.com
robotns2.second-ns.de
ns1.arehbein.de
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:78.47.62.213 a:mail.tonetz.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;ruf=mailto:[email protected];fo=0:d:s;aspf=r;adkim=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx ip4:78.47.62.213 a:mail.tonetz.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 · Customize →
See demo & docs
Deep verification
Full email verification for rehbein-koeln.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits