matrix.co.uk

Valid Email Server
Domain Lookup › matrix.co.uk

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
matrix.co.uk
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 02:52:46 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

  • d230415.b.ess.uk.barracudanetworks.com
  • d230415.a.ess.uk.barracudanetworks.com

MX Priorities

  • d230415.b.ess.uk.barracudanetworks.com: 20
  • d230415.a.ess.uk.barracudanetworks.com: 10

A / AAAA Records

  • 35.214.7.64 ↩ 64.7.214.35.bc.googleusercontent.com

Mail Server IPs

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

SOA Record

Raw SOA ns0.phase8.net support.phase8.net 2025042901 28800 3600 604800 86400
Primary NS (mname)
ns0.phase8.net
Admin Email (rname)
support@phase8.net
Serial
2025042901
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns0.phase8.net
ns2.phase8.net
ns1.phase8.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:195.188.217.26 include:spf.protection.outlook.com include:_spf.scoro.com include:spf.ess.uk.barracudanetworks.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

7 records
  • sio9thptm4ekchjk6m2lckmt4s
  • dropbox-domain-verification=27sknndi0kld
  • MS=ms10037017
  • google-site-verification=0BQG3LTz1GqgZ0qpF0JtLUMPAK2otGZh3eiYg0Nwfug
  • 63kalvlt2pjpoqqovs9vi4mfms
  • facebook-domain-verification=nwo8i3bpgd0s303gwbrl89q2ri0el0
  • SPFv=spf1 ip4:195.188.217.26 include:spf.protection.outlook.com include:_spf.scoro.com include:spf.ess.uk.barracudanetworks.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 matrix.co.uk

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

No credit card required
Get 1,000 Free Credits