Domain Overview
DNS: ✓ 10d ago
Checker: ✓ 10d ago
allendaleheating.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-08-25 16:00:12 UTC · ↺ Refresh
MX Hostnames
- d335505b.ess.barracudanetworks.com
- d335505a.ess.barracudanetworks.com
MX Priorities
- d335505a.ess.barracudanetworks.com: 10
- d335505b.ess.barracudanetworks.com: 20
A / AAAA Records
- 23.96.179.255 (no PTR)
Mail Server IPs
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
dns31.cloudns.net support.cloudns.net 2025052801 7200 1800 1209600 3600
Primary NS (mname)
dns31.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2025052801
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns34.cloudns.net
dns32.cloudns.net
dns31.cloudns.net
dns33.cloudns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.online-access.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
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
3 records- google-site-verification=Eod2pm6o-Py6XEk5O4uL-4pEeIa9Yeu2xZI8ZuSJU0w
- SPFv=spf1 include:spf.online-access.com ~all
- DMARCv=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=s
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 · Customize →
See demo & docs
Deep verification
Full email verification for allendaleheating.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits