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Certly — Startup Profile
Startup

Certly

Know before your SSL, domain, or DNS breaks

Development & IT

Astracia Signal Score

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Not enough public signals for a score yet. Missing signals are not a sign of weakness.

Connections

No public connections on record yet.

About the startup

Monitor SSL certificates, domain expiry, and DNS/DNSSEC across all your sites. Track every DNS record change and get alerted on Slack, email, or webhook before anything lapses — so you never find out from your customers.

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Shows and channels grouped by topic. A recommendation does not mean this profile was featured or endorsed.

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Dmytro’s Substack

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Founder stories from Development & IT startups

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Retold founder accounts from startups in the same category, each linked to the original.

Story

Tailwind UI's $2 million was five months of a commercial product, not a URL typo

Adam Wathan's August 2020 essay says Tailwind CSS had about 10 million installs and that Tailwind UI, then about five months old, was about to cross $2 million in revenue, figures he stated himself beside a slug that mis

ScreenshotOne took three years to $10k MRR and eight months to $20k

Dmytro Krasun says ScreenshotOne reached $10k monthly recurring revenue in September 2024, almost three years after launch, then $20k in June 2025, and that the second number changed how much more money still drove him.

AJ said Carrd was about $1.2M ARR and he spends time on the product, not campaigns

AJ told SaaS Club Carrd was about $100k MRR, about $1.2 million ARR, and that with two people he invests time in the builder rather than in finding ways to market it; he did not, in the sources fetched here, state $2M AR

WP Engine passed $100M ARR after Cohen made thirty people say they would pay $49

Jason Cohen says he did not start WP Engine until 30 people said they will pay $49 a month, 20 of them did, and in January 2018 he reported the company had passed $100 million ARR and closed $250 million from Silver Lake

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