calgoncarbon-us.com

Valid Email Server
Domain Lookup › calgoncarbon-us.com

Domain Overview

DNS: ✓ 11h ago Checker: ✓ 11h ago
calgoncarbon-us.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-01 05:23:09 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • alt1.ap.email.fireeyecloud.com
  • primary.ap.email.fireeyecloud.com
  • alt2.ap.email.fireeyecloud.com
  • alt3.ap.email.fireeyecloud.com

MX Priorities

  • primary.ap.email.fireeyecloud.com: 10
  • alt1.ap.email.fireeyecloud.com: 20
  • alt2.ap.email.fireeyecloud.com: 30
  • alt3.ap.email.fireeyecloud.com: 40

A / AAAA Records

  • 209.49.186.148 (no PTR)

Mail Server IPs

  • 3.112.99.2 ↩ mx.ap.email.fireeyecloud.com
  • 3.112.99.0 ↩ mx.ap.email.fireeyecloud.com
  • 3.112.99.1 ↩ mx.ap.email.fireeyecloud.com

SOA Record

Raw SOA ns85.worldnic.com namehost.worldnic.com 122120514 10800 3600 604800 3600
Primary NS (mname)
ns85.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
122120514
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns86.worldnic.com
ns85.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:12.169.120.243 ip4:206.210.70.50 include:spf.protection.outlook.com include:_spf.fireeyecloud.com ~all
📊 DNS lookups: 2/10
~ 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

4 records
  • MS=ms40663390
  • SPFv=spf1 ip4:12.169.120.243 ip4:206.210.70.50 include:spf.protection.outlook.com include:_spf.fireeyecloud.com ~all
  • google-site-verification=0ukB13SmtIUD7lXk_KziaGb5yAZpNZzaM-V1E8sjMEA
  • box-domain-verification=643fd2eb2dde1bb8588c289bf8737cbd626ebd81593b29bced547450f37710da
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for calgoncarbon-us.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits