ksb.com

Valid Email Server
Domain Lookup › ksb.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ksb.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-28 00:56:57 UTC · ↺ Refresh

MX Hostnames

  • mx04.hornetsecurity.com
  • mx03.hornetsecurity.com
  • mx02.hornetsecurity.com
  • mx01.hornetsecurity.com

MX Priorities

  • mx02.hornetsecurity.com: 20
  • mx01.hornetsecurity.com: 10
  • mx03.hornetsecurity.com: 30
  • mx04.hornetsecurity.com: 40

A / AAAA Records

  • 20.71.92.8 (no PTR)

Mail Server IPs

  • 94.100.136.8 ↩ mx02.hornetsecurity.com
  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 94.100.134.8 ↩ mx03.hornetsecurity.com
  • 94.100.136.7 ↩ mx04.hornetsecurity.com

SOA Record

Raw SOA ns1.brandshelter.com tech.brandshelter.com 2026032000 10800 3600 604800 300
Primary NS (mname)
ns1.brandshelter.com
Admin Email (rname)
tech@brandshelter.com
Serial
2026032000
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns3.brandshelter.info
ns-812.awsdns-37.net
ns2.brandshelter.de
ns1.brandshelter.com
ns4.brandshelter.net
ns5.brandshelter.us

SPF Record

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

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100
✓ Reject — strongest protection
📋 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

14 records
  • smartsheet-site-validation=wh74KnxtMovmGZJZPrv5yfCiWC5s76KX
  • adobe-idp-site-verification=069a71a57f39685e2e6a173baa2e7621cddf26089b49cfec8b43e27ca4e4a55d
  • miro-verification=6680e218eb72c6aa7a8f5af5280de59cb1725bae
  • adobe-sign-verification=9bb4eae9a01c79165ac6c3594c690fe6
  • figma-domain-verification=74766b12883a0a8a8656dbaa77ed4fb66705d322d7c931e9104abea870ac9ac1-1726858944
  • docker-verification=d594890c-f531-48ad-8fcb-d26c4aa1e605
  • atlassian-domain-verification=x4AglKOw/W7CiCQmVEqURXvM/I9um6ZRaG6MJcY2PoXd3nNN5kMEaCj9/W9h0rU6
  • SPFv=spf1 include:servers.mcsv.net include:mktomail.com include:spf.hornetsecurity.com include:spf.protection.outlook.com -all
  • facebook-domain-verification=8w39f5872n5eouzi0ylx8xo6scp0qc
  • google-site-verification=s8sKQwWq1UuTXbIaoG5U3oxOWQ5UKC5a8hQNpsrn7s0
  • atlassian-domain-verification=nHV5ZA5fGezNrY7xHKwJz3bh7vwShJdBGs41WoJRMJav3nf0rQgzQEY2NDrn2MpW
  • bw=8Bap68BfoGYJpOrhuuIJq2NOKEZmId9zxRKK6vKOudZH
  • docker-verification=2665d7a8-45df-4a5c-9d19-2938dd26c648
  • apple-domain-verification=jFrmPpOY0gZgs8HD
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