rsm-usa.com

Valid Email Server
Domain Lookup › rsm-usa.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rsm-usa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 16:05:43 UTC · ↺ Refresh

MX Hostnames

  • rsmusa-com0i.mail.protection.outlook.com

MX Priorities

  • rsmusa-com0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 23.185.0.2 (no PTR)

Mail Server IPs

  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA pdns05.domaincontrol.com dns.jomax.net 2026010902 28800 7200 604800 600
Primary NS (mname)
pdns05.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026010902
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

pdns05.domaincontrol.com
pdns06.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:24.246.125.226 ip4:71.190.205.177/28 include:spf.protection.outlook.com include:_spf-us.ppe-hosted.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

3 records
  • MS=ms64186046
  • ppe-53fe4b8d42ef0685ee31fd76cb748fec19770a8f
  • SPFv=spf1 ip4:24.246.125.226 ip4:71.190.205.177/28 include:spf.protection.outlook.com include:_spf-us.ppe-hosted.com -all
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