Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
buergerstiftung-rietberg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 16:54:21 UTC · ↺ Refresh
MX Hostnames
- mail10.regioit-aachen.de
- mail12.regioit-aachen.de
- mail11.regioit-aachen.de
MX Priorities
- mail11.regioit-aachen.de: 10
- mail10.regioit-aachen.de: 10
- mail12.regioit-aachen.de: 10
A / AAAA Records
- 80.70.177.44 ↩ www.rietberg.de
Mail Server IPs
- 91.102.136.172 ↩ mail11.regioit-aachen.de
- 2a02:16f0::1:4 ↩ mail11.regioit-aachen.de
- 91.102.136.170 ↩ mail10.regioit-aachen.de
- 2a02:16f0::1:3 ↩ mail10.regioit-aachen.de
- 91.102.136.186 ↩ mail12.regioit-aachen.de
- 2a02:16f0::1:5 ↩ mail12.regioit-aachen.de
SOA Record
Raw SOA
dns01.regioit-aachen.de admin-tech-c.regioit.de 37 10800 3600 2419200 900
Primary NS (mname)
dns01.regioit-aachen.de
Admin Email (rname)
admin-tech-c@regioit.de
Serial
37
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
dns01.regioit-aachen.de
dns-relaix.regioit-aachen.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.regioit.de -all
📊 DNS lookups: 2/10
✓ 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
1 record- SPFv=spf1 mx include:spf.regioit.de -all
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