ross-companies.com

Valid Email Server
Domain Lookup › ross-companies.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ross-companies.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 05:05:14 UTC · ↺ Refresh

MX Hostnames

  • cluster5a.us.messagelabs.com
  • cluster5.us.messagelabs.com
  • rosscompanies-com01b.mail.protection.outlook.com

MX Priorities

  • rosscompanies-com01b.mail.protection.outlook.com: 0
  • cluster5a.us.messagelabs.com: 20
  • cluster5.us.messagelabs.com: 10

A / AAAA Records

  • 205.178.189.129

Mail Server IPs

  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 34.75.172.113 ↩ 113.172.75.34.bc.googleusercontent.com
  • 67.219.247.99 ↩ mail922.messagelabs.com
  • 67.219.247.195
  • 67.219.246.211
  • 67.219.250.221
  • 67.219.250.217
  • 67.219.246.212

SOA Record

Raw SOA ns33.worldnic.com namehost\@worldnic.com 125012311 10800 3600 604800 3600
Primary NS (mname)
ns33.worldnic.com
Admin Email (rname)
namehost\@worldnic@com
Serial
125012311
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns33.worldnic.com
ns34.worldnic.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

3 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms88052960
  • google-site-verification=YtjhHzyZE3UxXMv0WXjJaZ84JRLJ3nB07M4OQSp2eoI
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