Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
preuss-dental.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 09:35:13 UTC · ↺ Refresh
MX Hostnames
- preussdental-de01e.mail.protection.outlook.com
MX Priorities
- preussdental-de01e.mail.protection.outlook.com: 10
A / AAAA Records
- 85.190.26.94 ↩ vs1.it-tor24.de
Mail Server IPs
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.first-ns.de hostmaster.preuss-dental.de 2026021200 21600 3600 864000 2560
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
hostmaster@preuss-dental.de
Serial
2026021200
Refresh
21600s
Retry
3600s
Expire
864000s
Minimum TTL
2560s
Nameservers (NS)
robotns2.second-ns.de
robotns3.second-ns.com
ns1.first-ns.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
- v=verifydomain MS=ms26448446
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