Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dir-system.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 16:26:37 UTC · ↺ Refresh
MX Hostnames
- dirsystem-de0i.mail.protection.outlook.com
MX Priorities
- dirsystem-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 109.71.74.155 ↩ srv-a-go.c-2594.maxcluster.net
- 2a05:cc00::74:155:10 ↩ srv-a-go.c-2594.maxcluster.net
Mail Server IPs
- 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
- 52.101.170.1 ↩ mail-fr4p281cu03101.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
- 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
nameserver-1-go.maxcluster.net info.maxcluster.net 2026031315 3600 1000 1209600 600
Primary NS (mname)
nameserver-1-go.maxcluster.net
Admin Email (rname)
info@maxcluster.net
Serial
2026031315
Refresh
3600s
Retry
1000s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nameserver-2-go.maxcluster.net
nameserver-1-go.maxcluster.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:212.227.126.130/32 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
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
✓ 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
4 records- brevo-code:f8cffc5b9596919dc2bb1cb1ff2f700a
- MS=ms75903348
- SPFv=spf1 include:spf.protection.outlook.com ip4:212.227.126.130/32 -all
- google-site-verification=s1L3Skk8zVucjJjz18Mt6Lu5YPq05S_u0s6H5huusq4
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