Domain Overview
DNS: ✓ 2h ago
Checker: ✓ 2h ago
unitliner.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-06-03 10:29:12 UTC · ↺ Refresh
MX Hostnames
- d339772a.ess.barracudanetworks.com
- d339772b.ess.barracudanetworks.com
MX Priorities
- d339772b.ess.barracudanetworks.com: 20
- d339772a.ess.barracudanetworks.com: 10
A / AAAA Records
- 131.226.5.18 ↩ cpanel2-us-5-18.thcservers.com
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
dbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 23 10800 3600 604800 86400
Primary NS (mname)
dbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
23
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dmtu.mt.ns.els-gms.att.net
dbru.br.ns.els-gms.att.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx include:spf.ess.barracudanetworks.com +ip4:12.26.251.146 +ip4:144.217.235.12 +ip4:144.217.74.54 +ip4:69.175.78.115 +ip4:69.175.78.116 +ip4:69.175.29.99 ~all
📊 DNS lookups: 3/10
~ 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- gqhbiuuk8posa7jv7qn2pllmui
- SPFv=spf1 +a +mx include:spf.ess.barracudanetworks.com +ip4:12.26.251.146 +ip4:144.217.235.12 +ip4:144.217.74.54 +ip4:69.175.78.115 +ip4:69.175.78.116 +ip4:69.175.29.99 ~all
- 718lr182i0khrvetf7f5rca715.
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 unitliner.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits