Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mueller-mobility.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 05:56:09 UTC · ↺ Refresh
MX Hostnames
- muellermobility-de01i.mail.protection.outlook.com
MX Priorities
- muellermobility-de01i.mail.protection.outlook.com: 10
A / AAAA Records
- 81.169.145.75 ↩ w0b.rzone.de
- 2a01:238:20a:202:1075:: ↩ w0b.rzone.de
Mail Server IPs
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
shades04.rzone.de hostmaster.strato-rz.de 2023011639 86400 7200 604800 300
Primary NS (mname)
shades04.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2023011639
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades04.rzone.de
docks05.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:81.169.145.75 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 ip4:81.169.145.75 include:spf.protection.outlook.com -all
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