x-brains.de

Valid Email Server

Domain Overview

DNS: ✓ 5h ago Checker: ✓ 5h ago
x-brains.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 04:38:59 UTC · ↺ Refresh

MX Hostnames

  • xbrains-de0c.mail.protection.outlook.com

MX Priorities

  • xbrains-de0c.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.71 ↩ 217-160-0-71.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::25a ↩ 2001-08d8-100f-f000-0000-0000-0000-025a.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA ns1038.ui-dns.com hostmaster.kundenserver.de 2016071713 28800 7200 604800 300
Primary NS (mname)
ns1038.ui-dns.com
Admin Email (rname)
hostmaster@kundenserver.de
Serial
2016071713
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1038.ui-dns.biz
ns1038.ui-dns.de
ns1038.ui-dns.org
ns1038.ui-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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 ~all
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