Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rheuma-online.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 23:54:57 UTC · ↺ Refresh
MX Hostnames
- mx1.rheuma-online.de
MX Priorities
- mx1.rheuma-online.de: 10
A / AAAA Records
- 78.46.104.140 ↩ srv3.rheuma-online.de
Mail Server IPs
- 213.239.220.8 ↩ srv2.rheuma-online.de
SOA Record
Raw SOA
ns.rheuma-online.de alex.rheuma-online.de 2025032301 10800 3600 3600000 86400
Primary NS (mname)
ns.rheuma-online.de
Admin Email (rname)
alex@rheuma-online.de
Serial
2025032301
Refresh
10800s
Retry
3600s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns.rheuma-online.de
pdns02.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
1 record- google-site-verification=aR0kXzJ1aKkPkC3ZXVZ5CexFHWy0Me7Xh48ZHVuhZSE
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