Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
fenners-bau.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 19:00:08 UTC · ↺ Refresh
MX Hostnames
- fennersbau-de01i.mail.protection.outlook.com
MX Priorities
- fennersbau-de01i.mail.protection.outlook.com: 20
A / AAAA Records
- 81.169.145.146 ↩ w92.rzone.de
- 2a01:238:20a:202:1146:: ↩ w92.rzone.de
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca48::8 ↩ mail-miypr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca21::8 ↩ mail-matpr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca48::10 ↩ mail-miypr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
shades17.rzone.de hostmaster.strato-rz.de 2020050736 86400 7200 604800 300
Primary NS (mname)
shades17.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050736
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades17.rzone.de
docks04.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 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
3 records- google-site-verification=pQqdTzzmzYcdt_2vRYHNDbpdsb9f1apTyy4UqneRoo0
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms52202350
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