# Mattias Geniar
Building since 2016. Not reviewed by Mattias.
Page: https://mrrmaker.com/@mattiasgeniar
Built DNS Spy (2017), Oh Dear (2018); Oh Dear hit €10,000 MRR (2020)
In their words: "I’m a developer, Linux sysadmin, and founder building independent software products." (ma.ttias.be)

## Numbers
- Revenue: €10K MRR, Oh Dear (● last reported Jul 2020)
- Products: 11
- Building since: 2016

## Products
- Snapkin (2026 →): running
- Oh Dear (2018 →): running
- DNS Spy (2017 – 2020): sold, sold to SecurityTrails
- Give Twice: dates not stated in any source
- Dutch Streaming: dates not stated in any source
- Imposter: dates not stated in any source
- JSON prettifier: dates not stated in any source
- pwgen: dates not stated in any source
- encoder: dates not stated in any source

## Timeline
- Sep 2026: Launched Snapkin [stated]
- Jun 2026: On Help Net Security interview on preventing outages [stated]
- Feb 2026: On Seahawk Media podcast, on Oh Dear [stated]
- Sep 2022: Oh Dear: Oh Dear 2.0 launched [stated]
- Mar 2022: Oh Dear: Added two people to the Oh Dear team, beyond the two founders [stated]
- Sep 2020: Sold DNS Spy to SecurityTrails [stated]
- Dec 2019: Quit a full-time day job [stated]
- Oct 2019: On Talk: Debugging like a Linux Sysadmin, Full Stack Europe [stated]
- Aug 2018: On Talk: Minimum Viable Linux, Laracon EU [stated]
- Jan 2018: Launched Oh Dear [stated]
- Apr 2017: Launched DNS Spy [stated]
- Apr 2017: On Laravel Daily interview on building DNS Spy with Laravel Spark [stated]
- Jan 2016: On Talk: HTTP/2 for PHP developers, FOSDEM [stated]

## How sure
8 verified by someone other than Mattias, 49 stated by Mattias in public, 2 outdated. Read on 11 Oct 2026.

## Sources
- ma.ttias.be, ma.ttias.be: https://ma.ttias.be
- Projects by Mattias Geniar · ma.ttias.be, ma.ttias.be: https://ma.ttias.be/projects
- Hi there, I'm Mattias Geniar · ma.ttias.be, ma.ttias.be: https://ma.ttias.be/contact
- Presentations & talks given by Mattias Geniar · ma.ttias.be, ma.ttias.be: https://ma.ttias.be/talks
- github.com: https://api.github.com/users/mattiasgeniar
- The road to 10k MRR, ma.ttias.be: https://ma.ttias.be/the-road-to-10k-mrr
- How do we find users for our SaaS?, ma.ttias.be: https://ma.ttias.be/how-are-users-finding-our-saas/
- Oh Dear 2.0 launched, ma.ttias.be: https://ma.ttias.be/oh-dear-2-0-launch/
- Introducing Nick and Sean to the Oh Dear team, ohdear.app: https://ohdear.app/news-and-updates/introducing-nick-and-sean-to-the-oh-dear-team
- DNS Spy has launched!, ma.ttias.be: https://ma.ttias.be/dns-spy-launched/
- A new start for DNS Spy, ma.ttias.be: https://ma.ttias.be/a-new-start-for-dns-spy/
- Mattias Geniar from DNS Spy: "Without Laravel Spark, my project wouldn't exist", laraveldaily.com: https://laraveldaily.com/mattias-geniar-dns-spy/
- The uptime questions every engineering leader should ask this week - Help Net Security, helpnetsecurity.com: https://www.helpnetsecurity.com/2026/06/25/mattias-geniar-oh-dear-preventing-outages/
- My interview on Oh Dear on the Seahawk Podcast, ma.ttias.be: https://ma.ttias.be/my-interview-on-oh-dear-on-the-seahawk-podcast/
- The cron.weekly newsletter · ma.ttias.be, ma.ttias.be: https://ma.ttias.be/cronweekly/
- Syscast Podcast by Mattias Geniar · ma.ttias.be, ma.ttias.be: https://ma.ttias.be/syscast/
- I’m taking a break from cron.weekly, ma.ttias.be: https://ma.ttias.be/im-taking-break-cron-weekly/
- cron.weekly is coming back!, ma.ttias.be: https://ma.ttias.be/cron-weekly-is-coming-back/
- Introducing Snapkin: the calorie tracker for people who've quit calorie trackers, ma.ttias.be: https://ma.ttias.be/introducing-snapkin/
- Website Monitoring Pricing & Plans | Oh Dear, ohdear.app: https://ohdear.app/pricing
- Site checks on 2026-10-11, MRRMaker: https://mrrmaker.com/how-it-works#checks

Labels: "verified" means confirmed by someone other than the founder; "stated" means the founder said it in public. Method: https://mrrmaker.com/how-it-works