thomasheatair.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
thomasheatair.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 16:41:35 UTC · ↺ Refresh

MX Hostnames

  • mailstore1.secureserver.net
  • smtp.secureserver.net

MX Priorities

  • smtp.secureserver.net: 0
  • mailstore1.secureserver.net: 10

A / AAAA Records

  • 216.239.32.21 ↩ any-in-2015.1e100.net
  • 216.239.34.21 ↩ any-in-2215.1e100.net
  • 216.239.36.21 ↩ any-in-2415.1e100.net
  • 216.239.38.21 ↩ any-in-2615.1e100.net
  • 2001:4860:4802:38::15
  • 2001:4860:4802:32::15
  • 2001:4860:4802:34::15
  • 2001:4860:4802:36::15

Mail Server IPs

  • 216.69.141.71 ↩ osplibsmtp01-v01.prod.phx3.secureserver.net
  • 216.69.141.113 ↩ osplibsmtp03-v01.prod.phx3.secureserver.net
  • 216.69.141.84 ↩ osplibsmtp02-v01.prod.phx3.secureserver.net
  • 216.69.141.78 ↩ osplibsmtp01-v02.prod.phx3.secureserver.net
  • 216.69.141.162 ↩ osplibsmtp02-v02.prod.phx3.secureserver.net
  • 216.69.141.114 ↩ osplibsmtp03-v02.prod.phx3.secureserver.net

SOA Record

Raw SOA ns25.domaincontrol.com dns.jomax.net 2024052900 28800 7200 604800 600
Primary NS (mname)
ns25.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024052900
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns25.domaincontrol.com
ns26.domaincontrol.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

3 records
  • D3359154
  • google-site-verification=mh0lgX91qYAUUL-apDqqffWndMO55KMtrxqYJyrFMdc
  • google-site-verification=PUI1PN3ecunYlMRjWe2bsQE2oEU750Jc93AlKroiQFs
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
See demo & docs
Deep verification
Full email verification for thomasheatair.com

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

No credit card required
Get 1,000 Free Credits