Firstmail's tech stack
What does Firstmail use?
Firstmail (firstmail.ltd) uses at least 9 tools we can see from public records, including Yandex Webmaster for marketing, UptimeRobot for monitoring, Cloudflare for content delivery and GlobalSign for security. Last checked .
- Tools found
- 9
- Categories
- 7
- Layers
- 5 of 5
- Last checked
- Oct 2026
Firstmail's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
1 tool, where the bytes are served from
CDN & Edge
Application
3 tools, what the product is built with
Frontend
Media & UI
Data & Observability
1 tool, what they measure and store
Monitoring
Go-to-market
2 tools, how they find and keep customers
Company Ops
2 tools, what the team runs on day to day
Dev Tools
Security & Compliance
Companies like Firstmail also use
Tools common among companies with a similar stack that we haven't found at Firstmail.
Companies with a stack like Firstmail's
Ranked by shared tools, with rare tools counting more.
Bayut & DubizzleReal Estate · 201–1,000 people5in common
Hospital do RocioHealthcare · 1,001–5,000 people3in common
Async AI Video EditorSoftware · 1–10 people5in common
Optima TechMarketing and Advertising · 11–50 people2in common
PayflowHuman Resources · 11–50 people5in common
TiinoSoftware · 51–200 people4in common
Bússola da GestãoIT Services · 51–200 people3in common
Agentic UniverseInternet · 11–50 people4in common
Firstmail tech stack FAQ
What tools does Firstmail use?
As of October 2026, runsonwhat has found 9 tools at Firstmail (firstmail.ltd) in public records. Edge & Hosting: Cloudflare. Application: Google Fonts, Tailwind CSS and Lottie. Data & Observability: UptimeRobot. Go-to-market: Yandex Webmaster. Company Ops: GlobalSign and Apidog. Last checked October 11, 2026.
What marketing software does Firstmail use?
Firstmail uses Yandex Webmaster for marketing, according to runsonwhat (October 2026). runsonwhat found Yandex Webmaster through a DNS verification record for Yandex Webmaster. Yandex Webmaster is used by 15,887 companies runsonwhat tracks.
What monitoring tools does Firstmail use?
Firstmail uses UptimeRobot for monitoring, according to runsonwhat (October 2026). runsonwhat found UptimeRobot through a subdomain that points at UptimeRobot. UptimeRobot is used by 3,000 companies runsonwhat tracks.
Does Firstmail use Google Fonts?
Yes. runsonwhat found Google Fonts at Firstmail through Google Fonts code on firstmail.ltd. Google Fonts is a Media & UI tool used by 787,816 companies runsonwhat tracks.
Which companies have a tech stack similar to Firstmail's?
The companies with the stacks most like Firstmail's are Bayut & Dubizzle, Hospital do Rocio, Async AI Video Editor and Optima Tech, according to runsonwhat (October 2026). Each shares 2 to 5 tools with Firstmail, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Firstmail uses?
runsonwhat reads public records only. Of the 9 tools at Firstmail, 4 were found through DNS records, 3 through code on firstmail.ltd and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and firstmail.ltd about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.