Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
problu.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 13:38:01 UTC · ↺ Refresh
MX Hostnames
- problu-de.mail.protection.outlook.com
MX Priorities
- problu-de.mail.protection.outlook.com: 10
A / AAAA Records
- 87.230.23.232 ↩ srv003.ideengeist.de
Mail Server IPs
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
nsb0.schlundtech.de sk.ideengeist.de 2024032202 10800 3600 1209600 10800
Primary NS (mname)
nsb0.schlundtech.de
Admin Email (rname)
sk@ideengeist.de
Serial
2024032202
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
nsc0.schlundtech.de
nsb0.schlundtech.de
ns2.ideengeist.de
nsd0.schlundtech.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.mandrillapp.com include:sendgrid.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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- MS=ms89310627
- SPFv=spf1 include:spf.mandrillapp.com include:sendgrid.net include:spf.protection.outlook.com ~all
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