Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tripletcontractors.com
Yes
✓ Yes
Yahoo
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 05:08:18 UTC · ↺ Refresh
MX Hostnames
- mx-biz.mail.am0.yahoodns.net
MX Priorities
- mx-biz.mail.am0.yahoodns.net: 10
A / AAAA Records
- 206.188.193.184 ↩ vux.netsolhost.com
Mail Server IPs
- 67.195.204.83 ↩ mtaproxy1.biz.mail.vip.bf1.yahoo.com
- 67.195.228.75 ↩ mtaproxy1.biz.mail.vip.gq1.yahoo.com
SOA Record
Raw SOA
dns3.registeredsite.com 35 1800 900 86400 0
Primary NS (mname)
dns3.registeredsite.com
Admin Email (rname)
Serial
35
Refresh
1800s
Retry
900s
Expire
86400s
Minimum TTL
0s
Nameservers (NS)
dns1.registeredsite.com
dns3.registeredsite.com
dns2.registeredsite.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
No TXT records found.
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 tripletcontractors.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits