dupontdentistry.com

Valid Email Server
Domain Lookup › dupontdentistry.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dupontdentistry.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 08:47:29 UTC · ↺ Refresh

MX Hostnames

  • d406092.a.ess.ca.barracudanetworks.com
  • d406092.b.ess.ca.barracudanetworks.com

MX Priorities

  • d406092.b.ess.ca.barracudanetworks.com: 10
  • d406092.a.ess.ca.barracudanetworks.com: 5

A / AAAA Records

  • 82.198.233.220 (no PTR)
  • 2a02:4780:3e:3:6d47:6891:9352:8d9 (no PTR)

Mail Server IPs

  • 15.222.16.209 ↩ mail.ess.ca.barracuda.com
  • 15.222.16.211 ↩ mail.ess.ca.barracuda.com
  • 15.222.16.210 ↩ mail.ess.ca.barracuda.com

SOA Record

Raw SOA ns1.dns-parking.com dns.hostinger.com 2026031201 10000 2400 604800 600
Primary NS (mname)
ns1.dns-parking.com
Admin Email (rname)
dns@hostinger.com
Serial
2026031201
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1.dns-parking.com
ns2.dns-parking.com

SPF Record

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

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.ca.barracudanetworks.com include:secureserver.net -all
  • t3pdqg9vnkpe3c2mssdpir9ar1
  • _globalsign-domain-verification=OnLPIF-mvgzVZecZGNG-rgu3fZMnX_p0s9wmLOCJQv
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 dupontdentistry.com

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

No credit card required
Get 1,000 Free Credits