Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
three-solutions.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 07:04:55 UTC · ↺ Refresh
MX Hostnames
- threesolutions-de01c.mail.protection.outlook.com
MX Priorities
- threesolutions-de01c.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.28.147 (no PTR)
- 172.67.146.179 (no PTR)
- 2606:4700:3037::6815:1c93
- 2606:4700:3037::ac43:92b3
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
armfazh.ns.cloudflare.com dns.cloudflare.com 2396955313 10000 2400 604800 1800
Primary NS (mname)
armfazh.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396955313
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
armfazh.ns.cloudflare.com
lila.ns.cloudflare.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
3 records- MS=08A261952AEC3C61A93B50C3BC7EADC1D9E55AFE
- asv_domain=14207eb5fd33c1283ae81bc43b976efa
- google-site-verification=MaDYAWFbqrOfxsYfLfwFNYiZ_OJyDJVc7sWcFLXF9Dc
Full email verification for three-solutions.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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