Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
a-1contractorsllc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 18:38:28 UTC · ↺ Refresh
MX Hostnames
- mailstore1.secureserver.net.a-1contractorsllc.com
- smtp.secureserver.net
MX Priorities
- smtp.secureserver.net: 0
- mailstore1.secureserver.net.a-1contractorsllc.com: 10
A / AAAA Records
- 54.212.155.189 ↩ ec2-54-212-155-189.us-west-2.compute.amazonaws.com
- 54.185.12.82 ↩ ec2-54-185-12-82.us-west-2.compute.amazonaws.com
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
- 216.226.136.125 (no PTR)
SOA Record
Raw SOA
ns1.cml.ai domainadmin\@cml.ai 1 7200 900 1209600 86400
Primary NS (mname)
ns1.cml.ai
Admin Email (rname)
domainadmin\@cml@ai
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.cml.ai
ns4.cml.ai
ns1.cml.ai
ns2.cml.ai
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 a-1contractorsllc.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits