coburnmckenna.co.uk

Valid Email Server
Domain Lookup › coburnmckenna.co.uk
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
coburnmckenna.co.uk
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-10-30 04:23:51 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

  • d204621.b.ess.uk.barracudanetworks.com
  • d204621.a.ess.uk.barracudanetworks.com

MX Priorities

  • d204621.a.ess.uk.barracudanetworks.com: 10
  • d204621.b.ess.uk.barracudanetworks.com: 15

A / AAAA Records

  • 92.205.168.207 ↩ 207.168.205.92.host.secureserver.net

Mail Server IPs

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

SOA Record

Raw SOA ns01.domaincontrol.com dns.jomax.net 2025121901 28800 7200 604800 600
Primary NS (mname)
ns01.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025121901
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns02.domaincontrol.com
ns01.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.uk.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; adkim=r; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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
  • s3l11hrdnkvu9fh9mev6vedu71
  • tmgig4ukivmqjngiihq6n4kttj
  • brake1r263c2phdfvbb08l1j11
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.uk.barracudanetworks.com -all
  • MS=ms86644240
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 coburnmckenna.co.uk

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

No credit card required
Get 1,000 Free Credits