Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
strebpartner.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 05:44:57 UTC · ↺ Refresh
MX Hostnames
- strebpartner-de.mail.protection.outlook.com
MX Priorities
- strebpartner-de.mail.protection.outlook.com: 10
A / AAAA Records
- 212.53.187.10 ↩ www1003.c.artfiles.de
Mail Server IPs
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
auth1.artfiles.de hostmaster.artfiles.de 2024021501 28800 14400 806400 3600
Primary NS (mname)
auth1.artfiles.de
Admin Email (rname)
hostmaster@artfiles.de
Serial
2024021501
Refresh
28800s
Retry
14400s
Expire
806400s
Minimum TTL
3600s
Nameservers (NS)
auth1.artfiles.de
auth2.artfiles.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
✗ 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=ms79133371
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