uniflex.co.uk

Valid Email Server

Domain Overview

DNS: ✓ 28d ago Checker: ✓ 28d ago
uniflex.co.uk
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-02 11:12:31 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • d222006.b.ess.uk.barracudanetworks.com
  • d222006.a.ess.uk.barracudanetworks.com

MX Priorities

  • d222006.b.ess.uk.barracudanetworks.com: 50
  • d222006.a.ess.uk.barracudanetworks.com: 40

A / AAAA Records

  • 162.159.140.166 (no PTR)

Mail Server IPs

  • 18.133.136.186 ↩ mail.ess.uk.barracuda.com
  • 18.133.136.188 ↩ mail.ess.uk.barracuda.com
  • 18.133.136.187 ↩ mail.ess.uk.barracuda.com

SOA Record

Raw SOA ns1.namecity.com hostmaster.namecity.com 2026072303 43200 1800 2419200 3600
Primary NS (mname)
ns1.namecity.com
Admin Email (rname)
hostmaster@namecity.com
Serial
2026072303
Refresh
43200s
Retry
1800s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns2.namecity.com
ns1.namecity.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.ess.uk.barracudanetworks.com include:spf.messagelabs.com include:spf.emailsignatures365.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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

5 records
  • intacct-esk=4AF2E05832721040E0638D06450A7355
  • MS=ms66920350
  • google-site-verification=wxYV_1pZm-rTVrvuQGvDOiq8EQI9qW5PNtyx0JYJuYg
  • intacct-esk=4561C8CCB6ADCF36E0638D06450A308C
  • SPFv=spf1 include:spf.ess.uk.barracudanetworks.com include:spf.messagelabs.com include:spf.emailsignatures365.com include:spf.protection.outlook.com -all
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 uniflex.co.uk

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

No credit card required
Get 1,000 Free Credits