rmb-group.com

Valid Email Server
Domain Lookup › rmb-group.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rmb-group.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 10:58:08 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • rmbgroup-com0i.mail.protection.outlook.com: 10

A / AAAA Records

  • 199.250.205.212 (no PTR)

Mail Server IPs

No IPs resolved.

SOA Record

Raw SOA pns41.cloudns.net support.cloudns.net 2024062103 7200 1800 1209600 3600
Primary NS (mname)
pns41.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2024062103
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

pns44.cloudns.net
pns43.cloudns.net
pns41.cloudns.net
pns42.cloudns.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:162.215.252.142 +ip4:199.250.205.212 -all
📊 DNS lookups: 0/10
✓ 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 ip4:162.215.252.142 +ip4:199.250.205.212 -all
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