coleindust.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
coleindust.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 19:42:20 UTC · ↺ Refresh

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MX Hostnames

  • d358839a.ess.barracudanetworks.com
  • d358839b.ess.barracudanetworks.com

MX Priorities

  • d358839a.ess.barracudanetworks.com: 1
  • d358839b.ess.barracudanetworks.com: 10

A / AAAA Records

  • 107.180.25.212 ↩ 212.25.180.107.host.secureserver.net

Mail Server IPs

  • 209.222.82.253 ↩ mail.ess.barracuda.com
  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA ns13.worldnic.com namehost.worldnic.com 126070918 10800 3600 604800 3600
Primary NS (mname)
ns13.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126070918
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns13.worldnic.com
ns14.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:_spf.sendergen.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

7 records
  • SPFv=spf1 include:spf.ess.barracudanetworks.com include:spf.protection.outlook.com include:_spf.sendergen.com -all
  • duo_sso_verification=dryQCzIKnpaZyPwdr8PFs5tVN5ZEvWB7quvzrBT7PybgYmCcduAmke7RwFQyw6M5
  • 8vqt9geu12dfr3mhrd6p2k6ip9
  • anthropic-domain-verification-e6zp6p=7iwj0qmiZJHelSpEmRjwT4oju
  • K9h1oXEAHKX5gJK8a8aBqOyMZczZyPIENZoaguCf1zg=
  • MS=ms54497928
  • apple-domain-verification=sq5RKmHl0VwRja0l
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