Tools
Free email tools
13 ready, more comingSmall tools for the email questions I get asked most.
Members' tools Members only
Sharing the tools I built, use and love with my members.
Membership is free DNS checkerCheck a domain's email and website records: SPF, DKIM, DMARC, MX, MTA-STS, blocklists and expiry.Mail testerSend one email to a test address and get a spam score out of 10, with what to fix.Speed testLoad a page from 6 countries at once, or every country, and see what slows it down.Link InspectorFind broken links, missing pictures and redirect chains across a whole website.Search InspectorCheck a website the way Google reads it: titles, descriptions, headings, speed and what stops it being found.DMARC report readerUpload DMARC report files and see who sends email as your domain, and whether it passed.Whois lookupLook up a domain's registrar, expiry date, transfer lock, nameservers and owner.IP checkerFind out who runs an IP address, whether it's a VPN and whether it's on an email blocklist.TracerouteFollow the route to a server, router by router, and see where it slows down or drops.QR code checkerCheck where a QR code or a link really goes, before you scan or click.
Open to everyone
These run in your browser, so nothing you paste is sent anywhere.
Email header readerPaste an email's headers to check SPF, DKIM and DMARC, follow every server hop and spot delivery delays.
Email tracking checker Coming soonPaste an email and see every tracking pixel and tracked link, and who is behind them.
Email provider finder Coming soonAnswer six questions and get three providers that fit, with the reasons.
Who runs this email?Type an email address or domain and see which provider handles its email.Switch email providerPick where you're moving from and to, and get the steps for your mail, contacts and address.Email cost calculator Coming soonPick providers, people and years, and see what you'll really pay, renewals included.
Leaving Gmail planner Coming soonTick what you use Gmail for and get your own moving checklist.