Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rehaklinik-birkenbuck.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 19:25:16 UTC · ↺ Refresh
MX Hostnames
- mail.kur.org
MX Priorities
- mail.kur.org: 0
A / AAAA Records
- 142.132.132.167 ↩ rs12.kur.org
Mail Server IPs
- 193.218.9.92 ↩ mail.kur.org
SOA Record
Raw SOA
ns10.web-enterprise.info info.web-enterprise.de 2024112900 43200 7200 1209600 86400
Primary NS (mname)
ns10.web-enterprise.info
Admin Email (rname)
info@web-enterprise.de
Serial
2024112900
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns10.web-enterprise.info
ns11.web-enterprise.info
ns12.web-enterprise.info
ns13.web-enterprise.info
SPF Record
✓ Strict (-all)
v=spf1 a mx a:smxfra1.cgm.com include:spf.protection.outlook.com include:kur.org -all
📊 DNS lookups: 5/10
✓ 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- MS=ms14228060
- SPFv=spf1 a mx a:smxfra1.cgm.com include:spf.protection.outlook.com include:kur.org -all
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