umcbuilders.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-23 13:34:00 UTC · ↺ Refresh

MX Hostnames

  • umcbuilders-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 198.49.23.145 (no PTR)

Mail Server IPs

  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com

SOA Record

Raw SOA ns-cloud-b1.googledomains.com cloud-dns-hostmaster.google.com 1 21600 3600 259200 300
Primary NS (mname)
ns-cloud-b1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
1
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s

Nameservers (NS)

ns-cloud-b2.googledomains.com
ns-cloud-b4.googledomains.com
ns-cloud-b3.googledomains.com
ns-cloud-b1.googledomains.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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