Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dwh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 22:24:37 UTC · ↺ Refresh
MX Hostnames
- smtprelay.dwh.de
MX Priorities
- smtprelay.dwh.de: 10
A / AAAA Records
- 81.201.148.185 ↩ dwh3.dsinet.de
Mail Server IPs
- 81.201.153.74 ↩ smtprelay.dwh.de
SOA Record
Raw SOA
ns.dsinet.eu hostmaster.dsi.net 2025102215 28800 3600 604800 100
Primary NS (mname)
ns.dsinet.eu
Admin Email (rname)
hostmaster@dsi.net
Serial
2025102215
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
100s
Nameservers (NS)
ns2.dsinet.de
ns.dsinet.eu
ns.dsinet.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:spf.sosafe.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=s; pct=100; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms27930194
- SPFv=spf1 a mx include:spf.protection.outlook.com include:spf.sosafe.de -all
- RbYGIgUN/n5BP9ix8fkC5Qh4vGyt5eo5SUv/Q9AIuWS2TcuL8dCFd9+B3Mgm87XFpsMIAliNzrSep5gEEzSO6Q==
Full email verification for dwh.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits