Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
computer-bauer.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 07:43:42 UTC · ↺ Refresh
MX Hostnames
- computerbauer-de02b.mail.protection.outlook.com
MX Priorities
- computerbauer-de02b.mail.protection.outlook.com: 0
A / AAAA Records
- 20.52.150.207 (no PTR)
Mail Server IPs
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.domaindiscount24.net tech.key-systems.net 2026030317 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2026030317
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns2.domaindiscount24.net
ns3.domaindiscount24.net
ns1.domaindiscount24.net
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:_spf.elasticemail.com a:mail-out.m-online.net a:bulkmail.m-online.net a:mail.fp-sign.com ip4:83.246.89.68/32 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- apple-domain-verification=MjtFyE2D11HEjlwO
- SPFv=spf1 a mx include:spf.protection.outlook.com include:_spf.elasticemail.com a:mail-out.m-online.net a:bulkmail.m-online.net a:mail.fp-sign.com ip4:83.246.89.68/32 -all
- xHu0u/Kb5TckkPAxlWnt4lhtFLvSLVjDyICh2h8/ujrWZMipJXDha66h57zktaHWtCMef0wK+PA3PcZZzE6O4g==
- google-site-verification=YsmASvmuDPGFWCOiiHF5hK8yJrDI0e0EfTP5WlzNGNU
Full email verification for computer-bauer.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits