stormbrain.us

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stormbrain.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 09:11:50 UTC · ↺ Refresh

MX Hostnames

  • stormbrain-us.mail.protection.outlook.com

MX Priorities

  • stormbrain-us.mail.protection.outlook.com: 0

A / AAAA Records

  • 137.184.179.7 ↩ 752979.cloudwaysapps.com

Mail Server IPs

  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA beth.ns.cloudflare.com dns.cloudflare.com 2397783217 10000 2400 604800 1800
Primary NS (mname)
beth.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397783217
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

mitch.ns.cloudflare.com
beth.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:servers.mcsv.net include:spf.mandrillapp.com include:spf.protection.outlook.com include:6031042.spf05.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=90; sp=none; 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]
↳ Subdomain policy: none
⚠ Policy applies to 90% of failing messages only

DKIM Selectors

✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._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

7 records
  • google-site-verification=fklrutlS-Z2gBsjJKMvnRjeCs4Qf9rtftI27payd4Fg
  • SPFv=spf1 include:servers.mcsv.net include:spf.mandrillapp.com include:spf.protection.outlook.com include:6031042.spf05.hubspotemail.net -all
  • MS=ms45408412
  • NETORGFT2580415.onmicrosoft.com
  • ca3-39089cf51a0845078bc846473c1d38c8
  • facebook-domain-verification=4ssjxchdlgetez790diogk48u7nmnt
  • google-site-verification=JuJmC3Rh_XJ-0KPFJDZXyJJoW1zS0OhF3gXeYWjygvU
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