Free I.T. and email security tools
Check that your email is protected from spoofing, look up your domain's records, share a password safely, and see what is on your network. No sign-up needed.
Test an email
Send us a real email and watch, step by step, how a receiving mail server checks it: SPF, DKIM and DMARC.
Start a testNetwork tools
Look up any domain's DNS, mail servers, SPF, DMARC, DKIM, MTA-STS and BIMI records, with plain-English explanations.
Open the toolsShare a secret
Send a password or key with a link that works only once. It is encrypted in your browser, and deleted the moment it is opened.
Share a secretIP scanner
Download the free Oasis IP Scanner for Windows to see the devices on your network.
Get the IP scannerWant us to fix this for you?
Found a problem, or not sure what the results mean? Oasis Technologies sets up and manages email security for businesses. Tell us a little and we will get back to you.