Base44 deployment

Custom Domain Not Connecting to Base44 App

You've configured a custom domain for your Base44 app, but visiting the domain shows an error page, a default hosting page, or the connection times out entirely. The app continues to work on the default Base44 URL but not on your custom domain.

Custom domain configuration involves DNS settings that must be precisely correct, and errors in this process are common. The issue may be compounded by DNS propagation delays that make it hard to tell if your changes have taken effect.

Some users experience a partially working state: the domain loads but shows SSL certificate warnings, or it works without www but not with www (or vice versa).

Error Messages You Might See

DNS_PROBE_FINISHED_NXDOMAIN ERR_SSL_PROTOCOL_ERROR This site can't be reached SSL certificate problem: unable to get local issuer certificate
DNS_PROBE_FINISHED_NXDOMAINERR_SSL_PROTOCOL_ERRORThis site can't be reachedSSL certificate problem: unable to get local issuer certificate

Common Causes

  1. The CNAME or A record was not set correctly in the domain registrar's DNS settings
  2. DNS propagation has not completed yet (can take up to 48 hours)
  3. The custom domain was configured in Base44 but the DNS records point to the wrong target
  4. SSL certificate has not been provisioned yet for the custom domain
  5. The www and non-www versions are not both configured, causing one to fail

How to Fix It

Verify your DNS records using a tool like dnschecker.org to confirm the CNAME or A record is correctly set and has propagated. The target should match exactly what Base44's custom domain instructions specify.

If the DNS is correct but SSL shows a warning, the SSL certificate may still be provisioning. This can take up to an hour after DNS propagation completes.

For persistent custom domain issues, especially with subdomains, wildcard certificates, or complex DNS setups involving other services (like email on the same domain), a developer can help configure everything correctly.

Real developers can help you.

Matt Butler Matt Butler Software Engineer @ AWS Jaime Orts-Caroff Jaime Orts-Caroff I'm a Senior Android developer, open to work in various fields Vlad Temian Vlad Temian 15+ years shipping production infrastructure for startups. Former CTO at qed.builders (acquired by The Sandbox). Cursor ambassador and agentic tooling builder. I've scaled systems, automated deployments, and built observability tools for AI coding workflows. I specialize in taking vibe-coded apps from broken prototype to production-ready: fixing Supabase auth/RLS, Stripe integrations, deployment pipelines, and cleaning up AI-generated spaghetti. I build tools in this space (agentprobe, claudebin, micode) and understand both sides: how AI generates code and why it breaks. https://blog.vtemian.com/ Franck Plazanet Franck Plazanet I am a Strategic Engineering Leader with over 8 years of experience building high-availability enterprise systems and scaling high-performing technical teams. My focus is on bridging the gap between complex technology and business growth. Core Expertise: 🚀 Leadership: Managing and coaching teams of 15+ engineers, fostering a culture of accountability and continuous improvement. 🏗️ Architecture: Enterprise Core Systems, Multi-system Integration (ERP/API/ETL), and Core Database Structure. ☁️ Cloud & Scale: AWS Expert; architected systems handling 10B+ monthly requests and managing 100k+ SKUs. 📈 Business Impact: Aligning tech strategy with P&L goals to drive $70k+ in monthly recurring revenue. I thrive on "out-of-the-box" thinking to solve complex technical bottlenecks and am always looking for ways to use automation to improve business productivity. Antriksh Narang Antriksh Narang 5 years+ Experienced Dev (Specially in Web Development), can help in python, javascript, react, next.js and full stack web dev technologies. BurnHavoc BurnHavoc Been around fixing other peoples code for 20 years. prajwalfullstack prajwalfullstack Hi Im a full stack developer, a vibe coded MVP to Market ready product, I'm here to help rayush33 rayush33 JavaScript (React.js, React Native, Node.js) Developer with demonstrated industry experience of 4+ years, actively looking for opportunities to hone my skills as well as help small-scale business owners with solutions to technical problems Luca Liberati Luca Liberati I work on monoliths and microservices, backends and frontends, manage K8s clusters and love to design apps architecture Daniel Vázquez Daniel Vázquez Software Engineer with over 10 years of experience on Startups, Government, big tech industry & consulting.

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Frequently Asked Questions

How long does it take for a custom domain to work with Base44?

DNS propagation can take up to 48 hours, and SSL certificate provisioning can take an additional hour after that. Wait at least 24 hours before troubleshooting further.

What DNS records do I need for a custom domain on Base44?

You typically need a CNAME record pointing to the Base44-provided target URL. Check the exact instructions in your Base44 app's domain settings for the correct target value.

Related Base44 Issues

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