computerxdfw.com

Valid Email Server
Domain Lookup › computerxdfw.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
computerxdfw.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 08:21:51 UTC · ↺ Refresh

MX Hostnames

  • computerxdfw-com.mail.protection.outlook.com

MX Priorities

  • computerxdfw-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 74.208.236.239 ↩ 74-208-236-239.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com

SOA Record

Raw SOA ns1049.ui-dns.de hostmaster.1and1.com 2017061003 28800 7200 604800 300
Primary NS (mname)
ns1049.ui-dns.de
Admin Email (rname)
hostmaster@1and1.com
Serial
2017061003
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1049.ui-dns.biz
ns1049.ui-dns.org
ns1049.ui-dns.com
ns1049.ui-dns.de

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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com ~all
  • v=verifydomain MS=3066377
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