Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
olaf-jansen-gmbh.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 14:41:43 UTC · ↺ Refresh
MX Hostnames
- olafjansengmbh-de01bi.mail.protection.outlook.com
MX Priorities
- olafjansengmbh-de01bi.mail.protection.outlook.com: 0
A / AAAA Records
- 217.154.154.214 ↩ ip217-154-1154-214.pbiaas.com
Mail Server IPs
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1089.ui-dns.org hostmaster.schlund.de 2017012525 28800 7200 604800 300
Primary NS (mname)
ns1089.ui-dns.org
Admin Email (rname)
hostmaster@schlund.de
Serial
2017012525
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1089.ui-dns.org
ns1089.ui-dns.biz
ns1089.ui-dns.com
ns1089.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:217.86.135.244 -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 include:spf.protection.outlook.com ip4:217.86.135.244 -all
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