tcass.com

Valid Email Server
Domain Lookup › tcass.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tcass.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-01 00:48:20 UTC · ↺ Refresh

MX Hostnames

  • tcass-com.mail.protection.outlook.com
  • mailstore1.secureserver.net
  • smtp.secureserver.net

MX Priorities

  • tcass-com.mail.protection.outlook.com: 0
  • mailstore1.secureserver.net: 10
  • smtp.secureserver.net: 20

A / AAAA Records

  • 15.197.225.128
  • 3.33.251.168

Mail Server IPs

  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 216.69.141.162 ↩ osplibsmtp02-v02.prod.phx3.secureserver.net
  • 216.69.141.114 ↩ osplibsmtp03-v02.prod.phx3.secureserver.net
  • 216.69.141.78
  • 216.69.141.113
  • 216.69.141.84
  • 216.69.141.71

SOA Record

Raw SOA ns71.domaincontrol.com dns.jomax.net 2026021100 28800 7200 604800 600
Primary NS (mname)
ns71.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021100
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns72.domaincontrol.com
ns71.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mktomail.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: 216 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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com include:mktomail.com -all
  • v=verifydomain MS=2283996
Full email verification for tcass.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits