usresources.com

Valid Email Server

Domain Overview

DNS: ✓ 1mo ago Checker: ✓ 1mo ago
usresources.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-23 12:59:16 UTC · ↺ Refresh

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MX Hostnames

  • usresources-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 151.101.130.159 (no PTR)

Mail Server IPs

  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.worldnic.com namehost.worldnic.com 125060912 10800 3600 604800 3600
Primary NS (mname)
ns1.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125060912
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns2.worldnic.com
ns1.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 mx a ip4:184.183.177.53/32 ip4:72.66.85.87/32 ip4:131.226.205.78/32 ip4:131.226.205.79/32 ip4:131.226.205.83/32 ip4:66.111.12.232/29 include:spf.mandrillapp.com include:spf.protection.outlook.com include:md02.com include:autotask.net include:spf.shield.security -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

6 records
  • Hopg42w3dJzNp3bJ99HDLie6bikttZ5ZauB1TyyvTTYIBWdwyGDautgNR1naPkEOvpJw26JgGdX+DV/xT1tYjw==
  • BPL=8902464
  • MS=ms64523155
  • q3475c5p89v8mpktmari2u2ior
  • google-site-verification=IGCfZj5UljqsEuypeabrrtDhb4kSKp6OUh78_4d1zcQ
  • SPFv=spf1 mx a ip4:184.183.177.53/32 ip4:72.66.85.87/32 ip4:131.226.205.78/32 ip4:131.226.205.79/32 ip4:131.226.205.83/32 ip4:66.111.12.232/29 include:spf.mandrillapp.com include:spf.protection.outlook.com include:md02.com include:autotask.net include:spf.shield.security -all
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