unionone-express.com

Valid Email Server
Domain Lookup › unionone-express.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
unionone-express.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 20:37:04 UTC · ↺ Refresh

MX Hostnames

  • smtp.secureserver.net
  • mailstore1.secureserver.net
  • uniononeexpress-com02b.mail.protection.outlook.com

MX Priorities

  • smtp.secureserver.net: 5
  • mailstore1.secureserver.net: 10
  • uniononeexpress-com02b.mail.protection.outlook.com: 0

A / AAAA Records

  • 50.63.7.231

Mail Server IPs

  • 216.69.141.71 ↩ osplibsmtp01-v01.prod.phx3.secureserver.net
  • 216.69.141.113 ↩ osplibsmtp03-v01.prod.phx3.secureserver.net
  • 216.69.141.84 ↩ osplibsmtp02-v01.prod.phx3.secureserver.net
  • 216.69.141.162 ↩ osplibsmtp02-v02.prod.phx3.secureserver.net
  • 216.69.141.78 ↩ osplibsmtp01-v02.prod.phx3.secureserver.net
  • 216.69.141.114 ↩ osplibsmtp03-v02.prod.phx3.secureserver.net
  • 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f90d::1
  • 2a01:111:f403:f90c::
  • 2a01:111:f403:c802::
  • 2a01:111:f403:c931::

SOA Record

Raw SOA ns55.domaincontrol.com dns.jomax.net 2026012500 28800 7200 604800 600
Primary NS (mname)
ns55.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026012500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns55.domaincontrol.com
ns56.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 mx include:amazonses.com include:secureserver.net include:mailgun.org ip4:63.143.118.46 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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 mx include:amazonses.com include:secureserver.net include:mailgun.org ip4:63.143.118.46 -all
  • google-site-verification=jHSlL1E4o0Yis5HSJU-8KRyhstlHNLDUt2-t_yCYHDw
Full email verification for unionone-express.com

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