brain.do

Valid Email Server
Domain Lookup › brain.do

Domain Overview

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

Checked via [email protected] · 2026-03-19 01:02:25 UTC · ↺ Refresh

MX Hostnames

  • brain-do.mail.protection.outlook.com

MX Priorities

  • brain-do.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.214.158 (no PTR)
  • 104.21.50.240 (no PTR)
  • 2606:4700:3034::6815:32f0
  • 2606:4700:3033::ac43:d69e

Mail Server IPs

  • 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com

SOA Record

Raw SOA buck.ns.cloudflare.com dns.cloudflare.com 2396341366 10000 2400 604800 1800
Primary NS (mname)
buck.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396341366
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

martha.ns.cloudflare.com
buck.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=ESTm7R24VkwarM2mTpMT3KkOroy6Yzjo34eqhP2xZC0
Full email verification for brain.do

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