tbrc.com

Valid Email Server
Domain Lookup › tbrc.com

Domain Overview

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

Checked via [email protected] · 2026-03-27 23:05:12 UTC · ↺ Refresh

MX Hostnames

  • tbrc-com.mail.protection.outlook.com

MX Priorities

  • tbrc-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 74.208.236.85 ↩ 74-208-236-85.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns57.1and1.com hostmaster.1and1.com 2016072602 28800 7200 604800 300
Primary NS (mname)
ns57.1and1.com
Admin Email (rname)
hostmaster@1and1.com
Serial
2016072602
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns58.1and1.com
ns57.1and1.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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

2 records
  • v=verifydomain MS=5947764
  • SPFv=spf1 include:spf.protection.outlook.com ~all
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