Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
usrexllc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 23:05:57 UTC · ↺ Refresh
MX Hostnames
- usrexllc-com.mail.protection.outlook.com
MX Priorities
- usrexllc-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns19.domaincontrol.com dns.jomax.net 2023020102 28800 7200 604800 600
Primary NS (mname)
ns19.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2023020102
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns19.domaincontrol.com
ns20.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
- google-site-verification=6O7WXT4obbRVpXcX5ammV1mZDPQevkJeydVzE1AlnZw
Full email verification for usrexllc.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits