poulin.build

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-04-02 07:53:35 UTC · ↺ Refresh

MX Hostnames

  • poulin-build.mail.protection.outlook.com

MX Priorities

  • poulin-build.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.18.17.163 (no PTR)
  • 104.18.16.163 (no PTR)
  • 2606:4700::6812:11a3
  • 2606:4700::6812:10a3

Mail Server IPs

  • 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA nina.ns.cloudflare.com dns.cloudflare.com 2397813257 10000 2400 604800 1800
Primary NS (mname)
nina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397813257
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

thomas.ns.cloudflare.com
nina.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a:x.uslbm.us include:spfm.uslbm.us ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

3 records
  • knowbe4-site-verification=d1cbc405b0ca30f6589939fd60ec72ee
  • SPFv=spf1 mx a:x.uslbm.us include:spfm.uslbm.us ~all
  • MS=ms13791105
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