kbkfirm.com

Valid Email Server
Domain Lookup › kbkfirm.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
kbkfirm.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-03 09:47:47 UTC · ↺ Refresh

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MX Hostnames

  • us-smtp-inbound-2.mimecast.com
  • us-smtp-inbound-1.mimecast.com

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 5
  • us-smtp-inbound-1.mimecast.com: 5

A / AAAA Records

  • 34.174.102.183 ↩ 183.102.174.34.bc.googleusercontent.com

Mail Server IPs

  • 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA ns-1524.awsdns-62.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1524.awsdns-62.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1524.awsdns-62.org
ns-1640.awsdns-13.co.uk
ns-350.awsdns-43.com
ns-829.awsdns-39.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:spf.protection.outlook.com include:_netblocks.mimecast.com ~all
📊 DNS lookups: 3/10
~ 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
  • SPFv=spf1 mx include:spf.protection.outlook.com include:_netblocks.mimecast.com ~all
  • duo_sso_verification=3wBqcZZ7y1S2UfDfzDi3UliT8GHgZocVkzxSmqTJQJEzZ79xob3PtLLekeDK5Sqc
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