thekirbygroup.co.uk

Valid Email Server
Domain Lookup › thekirbygroup.co.uk

Domain Overview

DNS: ✓ 13d ago Checker: ✓ 13d ago
thekirbygroup.co.uk
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-08-25 12:44:07 UTC · ↺ Refresh

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MX Hostnames

  • d220409.a.ess.uk.barracudanetworks.com
  • thekirbygroup-co-uk.mail.protection.outlook.com
  • d220409.b.ess.uk.barracudanetworks.com

MX Priorities

  • d220409.b.ess.uk.barracudanetworks.com: 0
  • thekirbygroup-co-uk.mail.protection.outlook.com: 10
  • d220409.a.ess.uk.barracudanetworks.com: 0

A / AAAA Records

  • 188.191.156.36

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
  • 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
  • 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
  • 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
  • 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::1

SOA Record

Raw SOA ns-849.awsdns-42.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-849.awsdns-42.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-258.awsdns-32.com
ns-849.awsdns-42.net
ns-1283.awsdns-32.org
ns-1837.awsdns-37.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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

3 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • 202604090954170rgdxcqhg7vbqqzvssw2djh9jdk7vtzfo57kolp89tqf1wxuzb
  • MS=ms90364378
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