Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
foerstergroup.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 03:55:16 UTC · ↺ Refresh
MX Hostnames
- foerstergroup-de.mail.protection.outlook.com
MX Priorities
- foerstergroup-de.mail.protection.outlook.com: 0
A / AAAA Records
- 91.98.197.131 ↩ static.131.197.98.91.clients.your-server.de
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1rtde.foerstergroup.de admin.foerstergroup.de 2025121501 10800 3600 2419200 86400
Primary NS (mname)
ns1rtde.foerstergroup.de
Admin Email (rname)
admin@foerstergroup.de
Serial
2025121501
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
1.ns-server.de
2.ns-server.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- SPFv=spf1 include:spf.protection.outlook.com -all
- apple-domain-verification=Gt5VfaY2gBXXc0uY
- MS=ms39922479
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