Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
peter-immo.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 22:27:24 UTC · ↺ Refresh
MX Hostnames
- ms60476488.msv1.invalid
- peterimmo-de01c.mail.protection.outlook.com
MX Priorities
- ms60476488.msv1.invalid: 32767
- peterimmo-de01c.mail.protection.outlook.com: 5
A / AAAA Records
- 88.99.167.28 ↩ vo2.business-datec.de
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ 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
SOA Record
Raw SOA
ns1.business-datec.de domain.business-datec.de 1740269188 86400 10800 3600000 3600
Primary NS (mname)
ns1.business-datec.de
Admin Email (rname)
domain@business-datec.de
Serial
1740269188
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns1.business-datec.de
ns4.business-datec.com
ns3.business-datec.de
ns2.business-datec.com
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
✗ 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- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms60476488
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