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Oh Dear

How we came to launch Oh Dear!

Published on October 9, 2018 by Mattias Geniar

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More updates

Jun 2, 2026
DNS check
The ghost domain problem in DNS, and what we're doing about it

A DNS caching quirk can keep a deleted domain "resolving" for days after it's gone. Here's why uptime checkers don't notice, and what we're tightening on our end.

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Jun 1, 2026
Password managers now suggest passwords that actually pass

Your browser and password manager now know our password rules up front, so the strong password they generate works on the first try.

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May 22, 2026
Application Health and Scheduled tasks are now a breeze to set up

Set up Application Health and Scheduled task monitoring with a copy-paste AI prompt that builds the integration for you, in any language or framework.

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