rejacobsgroup.com

Valid Email Server
Domain Lookup › rejacobsgroup.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rejacobsgroup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 18:30:41 UTC · ↺ Refresh

MX Hostnames

  • rejacobsgroup-com.mail.protection.outlook.com
  • mail.rejacobsgroup.com

MX Priorities

  • mail.rejacobsgroup.com: 20
  • rejacobsgroup-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 35.209.122.93 ↩ 93.122.209.35.bc.googleusercontent.com

Mail Server IPs

  • 64.85.174.187 ↩ rejacobsgroup.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA cbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 21 86400 10000 604800 86400
Primary NS (mname)
cbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
21
Refresh
86400s
Retry
10000s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

cbru.br.ns.els-gms.att.net
cmtu.mt.ns.els-gms.att.net

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

4 records
  • sptj6l109ccr3jvm612gc6oruc
  • MS=298B5CCE5095442ECA19DCD2BE5B9749E0951119
  • MS=ms79648415
  • SPFv=spf1 include:spf.protection.outlook.com -all
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