Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
plauen-stahl.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 19:54:07 UTC · ↺ Refresh
MX Hostnames
- mail.plauen-stahl.de
MX Priorities
- mail.plauen-stahl.de: 10
A / AAAA Records
- 185.62.149.42 (no PTR)
Mail Server IPs
- 93.240.204.179 ↩ mail.plauen-stahl.de
SOA Record
Raw SOA
ns1.c-srv.de isp.cosimo.de 2026030603 28800 7200 604800 3600
Primary NS (mname)
ns1.c-srv.de
Admin Email (rname)
isp@cosimo.de
Serial
2026030603
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.c-srv.de
ns3.c-srv.net
ns1.c-srv.de
ns4.c-srv.net
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:93.240.204.179 include:spf.protection.outlook.com -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
2 records- SPFv=spf1 mx a ip4:93.240.204.179 include:spf.protection.outlook.com -all
- 1y1LUQOJfesdYcJe6CvWoD0wHgf0MVrSGaT/Mi/DwtrrpEYbFNTk/dDO5LqzH2netLrB8XDg7KaIls+ep+ysAw==
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 plauen-stahl.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits