thedukesofair.com

Valid Email Server
Domain Lookup › thedukesofair.com

Domain Overview

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

Checked via [email protected] · 2026-03-18 07:33:23 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 34.224.10.110 ↩ ec2-34-224-10-110.compute-1.amazonaws.com
  • 52.11.37.152 ↩ ec2-52-11-37-152.us-west-2.compute.amazonaws.com

Mail Server IPs

  • 216.69.141.113 ↩ osplibsmtp03-v01.prod.phx3.secureserver.net
  • 216.69.141.84 ↩ osplibsmtp02-v01.prod.phx3.secureserver.net
  • 216.69.141.71 ↩ osplibsmtp01-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 dns1.cscdns.net hostmaster.cscdns.net 2024110707 28800 7200 604800 14400
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2024110707
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
14400s

Nameservers (NS)

dns2.cscdns.net
dns1.cscdns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:secureserver.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

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

4 records
  • google-site-verification=U_p8lhBISnXXhdtiNa1du2i3DkF1i_-2qCy6mJKR7nY
  • t6pkq0perh9ano6ltkrd4d7ut7
  • SPFv=spf1 a mx include:secureserver.net ~all
  • google-site-verification=DDPz2G3McoTxHxEldJPVGnBSyvcmHnwEK5psRD1yE4s
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 thedukesofair.com

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

No credit card required
Get 1,000 Free Credits