01 · Business email
Email Domain Checker
Inspect public MX, SPF and DMARC records, with an optional DKIM selector lookup. No email address required.
Check your email domain →Free checks · Clear next steps
A useful place to start when IT gets in the way.
Check an email domain, understand a message’s headers, compare Microsoft 365 plan needs or find the connection address your support team needs.
02 · A particular message
Email Header Analyser
Understand the authentication claims and delivery path recorded in an email’s headers. Analysis stays in your browser.
Analyse email headers →03 · Choosing Microsoft 365
Microsoft 365 Plan Guide
Answer a few questions and get an explained starting point for a licensing conversation.
Find a starting plan →04 · Connectivity support
What Is My IP?
Read and copy the connection address observed by our website when your support team asks for it.
Show my connection address →Start with the problem you recognise
My emails are not arriving or are going to junk
Start with the domain checker. If you have a particular message, use the header analyser to read the receiving system’s reported results. Keep any bounce response for your administrator.
I’m unsure which Microsoft 365 plan we need
Use the plan guide to compare your team’s needs, then ask us to confirm the right combination and current offers.
Support has asked for our public IP address
Open What Is My IP? on the affected connection. A VPN or proxy may affect the address shown.
Security and backup readiness
Answer six practical questions about endpoint protection, backup recovery and document access. Your answers stay in your browser.
Show my next steps →