howardbrothers.com

Valid Email Server
Domain Lookup › howardbrothers.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
howardbrothers.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 00:33:41 UTC · ↺ Refresh

MX Hostnames

  • howardbrothers-com.mail.protection.outlook.com

MX Priorities

  • howardbrothers-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 23.227.38.65 ↩ myshopify.com

Mail Server IPs

  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns-806.awsdns-36.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-806.awsdns-36.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-334.awsdns-41.com
ns-806.awsdns-36.net
ns-1202.awsdns-22.org
ns-1787.awsdns-31.co.uk

SPF Record

✓ Strict (-all)
v=spf1 a:mailhost.uscatl.com mx:triadinet.com mx:triadinet.net a:mail.aaih.net include:servers.mcsv.net include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ 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
  • facebook-domain-verification" content="zdu7nf0rui3qpbk2cfdxepy2ayz1v9
  • SPFv=spf1 a:mailhost.uscatl.com mx:triadinet.com mx:triadinet.net a:mail.aaih.net include:servers.mcsv.net include:spf.protection.outlook.com -all
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