Castro Podcasts's tech stack
What does Castro Podcasts use?
Castro Podcasts (castro.fm) uses at least 12 tools we can see from public records, including Zendesk for customer support, Hotjar for analytics, Stripe for payments and Mailjet for email delivery. Last checked .
- Tools found
- 12
- Categories
- 9
- Layers
- 5 of 5
- Last checked
- Nov 2026
Castro Podcasts's stack, layer by layer
Of 12 tools, 6 came from website code, 3 from email records, 2 from DNS verification records and 1 from other records. 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
2 tools, what the product is built with
Frontend
Payments & Billing
Data & Observability
3 tools, what they measure and store
Go-to-market
4 tools, how they find and keep customers
Ads & Pixels
Support & Docs
Company Ops
2 tools, what the team runs on day to day
Email Delivery
Workspace
Castro Podcasts tech stack FAQ
What tools does Castro Podcasts use?
As of November 2026, runsonwhat has found 12 tools at Castro Podcasts (castro.fm) in public records. Edge & Hosting: Cloudflare. Application: jQuery and Stripe. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: Google Ads, Mailchimp and Zendesk. Company Ops: Google Workspace and Mailjet. Last checked November 8, 2026.
What email provider does Castro Podcasts use?
Castro Podcasts uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on castro.fm. Google Workspace is used by 422,594 companies runsonwhat tracks.
What does Castro Podcasts use for customer support?
Castro Podcasts uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 43,848 companies runsonwhat tracks.
What payment provider does Castro Podcasts use?
Castro Podcasts uses Stripe for payments and billing, according to runsonwhat (November 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on castro.fm. Stripe is used by 31,511 companies runsonwhat tracks.
What analytics tools does Castro Podcasts use?
Castro Podcasts uses Google Analytics for analytics, alongside Google Tag Manager and Hotjar, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on castro.fm. Google Analytics is used by 904,532 companies runsonwhat tracks.
What marketing software does Castro Podcasts use?
Castro Podcasts uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through Mailchimp code on castro.fm. Mailchimp is used by 119,362 companies runsonwhat tracks.
Does Castro Podcasts use jQuery?
Yes. runsonwhat found jQuery at Castro Podcasts through jQuery code on castro.fm. jQuery is a Frontend tool used by 927,469 companies runsonwhat tracks.
How does runsonwhat know what Castro Podcasts uses?
runsonwhat reads public records only. Of the 12 tools at Castro Podcasts, 6 were found through code on castro.fm, 3 through DNS records and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and castro.fm 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.