Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gfbu.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 11:40:33 UTC · ↺ Refresh
MX Hostnames
- outlook.gfbu-consult.de
MX Priorities
- outlook.gfbu-consult.de: 10
A / AAAA Records
- 213.133.104.169 ↩ www169.your-server.de
Mail Server IPs
- 80.147.68.68 ↩ outlook.gfbu-consult.de
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026010900 14400 1800 604800 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026010900
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
7200s
Nameservers (NS)
ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 a:outlook.gfbu-consult.de ip4:213.133.104.169 -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
1 record- SPFv=spf1 a:outlook.gfbu-consult.de ip4:213.133.104.169 -all
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