corporategroupinc.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-19 09:41:40 UTC · ↺ Refresh

MX Hostnames

  • corporategroupinc-com.mail.protection.outlook.com

MX Priorities

  • corporategroupinc-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 199.16.173.200 (no PTR)
  • 199.16.172.183 (no PTR)

Mail Server IPs

  • 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA may.ns.cloudflare.com dns.cloudflare.com 2398540511 10000 2400 604800 1800
Primary NS (mname)
may.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398540511
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

paul.ns.cloudflare.com
may.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spfus.rocketseed.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

4 records
  • MS=ms65161679
  • duo_sso_verification=JvCmHOWZ2n2hPowuhPNRUuQdw3LoqPv7Eb5YlBTJJWOgWG51ster1h9TMJ3f5KBo
  • SPFv=spf1 include:spf.protection.outlook.com include:spfus.rocketseed.com -all
  • MS=930984A55C6DE6ADA85061EFB73EBE4202DAD3DE
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