Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
osa-essen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 20:42:57 UTC · ↺ Refresh
MX Hostnames
- mail.osa-essen.de
- ms12490302.msv1.invalid
MX Priorities
- mail.osa-essen.de: 50
- ms12490302.msv1.invalid: 111
A / AAAA Records
- 83.169.41.94 ↩ www.osa-essen.de
Mail Server IPs
- 83.169.41.94 ↩ www.osa-essen.de
SOA Record
Raw SOA
ns25.domaincontrol.com dns.jomax.net 2026020357 28800 7200 604800 600
Primary NS (mname)
ns25.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026020357
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns26.domaincontrol.com
ns25.domaincontrol.com
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
2 records- include:spf.protection.outlook.de
- google-site-verification=7MiwqNQEFJAZ1Kmy3BjaMwk3XIDY1e8zd6mK1qyPY5Y
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