Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dupontyard.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 21:19:47 UTC · ↺ Refresh
MX Hostnames
- dupontyard-com.mx1.arsmtp.com
- dupontyard-com.mx2.arsmtp.com
MX Priorities
- dupontyard-com.mx1.arsmtp.com: 10
- dupontyard-com.mx2.arsmtp.com: 20
A / AAAA Records
- 15.197.148.33 ↩ a2aa9ff50de748dbe.awsglobalaccelerator.com
- 3.33.130.190 ↩ a2aa9ff50de748dbe.awsglobalaccelerator.com
Mail Server IPs
- 8.31.233.238 ↩ server2006.appriver.com
- 8.19.118.214 ↩ server2007.appriver.com
SOA Record
Raw SOA
ns35.domaincontrol.com dns.jomax.net 2024061200 28800 7200 604800 3600
Primary NS (mname)
ns35.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024061200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns36.domaincontrol.com
ns35.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:edgepilot.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
2 records- SPFv=spf1 include:edgepilot.com include:spf.protection.outlook.com -all
- MS=ms34371319
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 dupontyard.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits