Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
obg-bau.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 11:18:05 UTC · ↺ Refresh
MX Hostnames
- obgbau-de0i.mail.protection.outlook.com
MX Priorities
- obgbau-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 212.89.131.53 ↩ obgwebsrv.infos.de
Mail Server IPs
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.infoserve.de hostmaster.infoserve.de 2025101500 3600 3600 1209600 3600
Primary NS (mname)
dns1.infoserve.de
Admin Email (rname)
hostmaster@infoserve.de
Serial
2025101500
Refresh
3600s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns1.infoserve.de
dns2.infoserve.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
3 records- MS=ms23601411
- FDdFqTKh8YIpmT41dH27dnV0MiBakKc/6pLeCnGms44+Zc/1t8T/IbNXIr9OkrzQ8bhRWVLcTu41UZJub8kj5A==
- SPFv=spf1 include:spf.protection.outlook.com -all
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