churchill-knight.co.uk

Valid Email Server
Domain Lookup › churchill-knight.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-18 02:44:42 UTC · ↺ Refresh

MX Hostnames

  • d202535.b.ess.uk.barracudanetworks.com
  • d202535.a.ess.uk.barracudanetworks.com

MX Priorities

  • d202535.b.ess.uk.barracudanetworks.com: 20
  • d202535.a.ess.uk.barracudanetworks.com: 10

A / AAAA Records

  • 51.142.16.158 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1-32.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-32.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns3-32.azure-dns.org
ns4-32.azure-dns.info
ns1-32.azure-dns.com
ns2-32.azure-dns.net

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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

1 record
  • 917e7133-d82f-40e8-acf3-0a8f3805de6c
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