activeark.co.uk

Valid Email Server
Domain Lookup › activeark.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-18 14:41:52 UTC · ↺ Refresh

MX Hostnames

  • activeark-co-uk.mail.protection.outlook.com

MX Priorities

  • activeark-co-uk.mail.protection.outlook.com: 0

A / AAAA Records

  • 45.157.42.103 ↩ 45.157.42.103.srvlist.ukfast.net

Mail Server IPs

  • 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
  • 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
  • 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
  • 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.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

SOA Record

Raw SOA ns1.colour-server.co.uk hosting.colourmedia.co.uk 2024031508 3600 1800 1209600 86400
Primary NS (mname)
ns1.colour-server.co.uk
Admin Email (rname)
hosting@colourmedia.co.uk
Serial
2024031508
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns3.colour-server.co.uk
ns1.colour-server.co.uk
ns2.colour-server.co.uk
ns4.colour-server.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

✗ 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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