Blog
Articles, updates, and stories.
Entri alternative in 2026: why you don't need to spend $3,000 a year before you ship
Entri's entry plan is $249 a month. The custom-domain infrastructure is a $500/mo upsell on top. Most teams searching for an alternative have already done the math. This post is the full walkthrough of Domainee, the $0-to-start alternative. What it is, who it's for, how it works, and a 5-minute tutorial.
Jonathan Geiger·Cloudflare for SaaS alternative in 2026: meet Domainee (what it does, how it works, who it's for)
If you searched for a Cloudflare for SaaS alternative in 2026, you already know why. Opaque pricing, partner-gated onboarding, multi-quarter contracts, no MCP. This is the full walkthrough of Domainee, the self-serve alternative you can ship today. What it is, who it's for, how it works under the hood, and a 5-minute tutorial.
Jonathan Geiger·Why Iframe Domain Masking Is Broken in 2026 (and How Modern SaaS Actually Handles White-Label URLs)
Every "domain masking" tutorial on Google still tells you to wrap your destination in an iframe. It breaks SEO, breaks your JS app, and breaks on mobile. Here's why, what to do instead, the use cases that need this, and how to ship it in one API call.
Jonathan Geiger·Runbook: Debugging 'My Custom Domain Isn't Working' as a SaaS Support Engineer
The 8 most common reasons a customer's custom domain isn't loading, in the order you should check them. With the dig and openssl commands to verify each, and message templates to copy-paste back to the customer.
Jonathan Geiger·How to Ship Apex Domain Support for Your SaaS Customers (Without the CNAME-at-Root Mess)
The exact mechanics of letting your customers use acme.com (not just www.acme.com). CNAME-at-root vs ALIAS / ANAME / CNAME-flattening, when to use A records, the registrar matrix to show in your UI, and the practical traps that wreck cert issuance.
Jonathan Geiger·How to Add Custom Domains to a Next.js Multi-Tenant SaaS (with Code)
A Next.js middleware-driven custom-domain setup for multi-tenant SaaS. Wildcard preview domains, X-Forwarded-Host tenant lookup, edge KV caching, and the three edge providers worth comparing (Vercel for Platforms, Cloudflare for SaaS, Domainee).
Jonathan Geiger·Domain Masking Without the Iframe: How Modern SaaS Does White-Label URLs
Iframe masking is broken — bad for SEO, breaks JS apps, blocked on mobile. Here's how reverse-proxy masking gives you the same UX (visitor stays on your customer's domain) without any of the iframe baggage. With code.
Jonathan Geiger·Domain Forwarding in 2026: 301s, 302s, and an API to Do It at Scale
What domain forwarding actually is (vs masking, vs DNS pointing), when to use 301 vs 302, why registrar-level forwarding falls over on HTTPS, and how to add programmatic per-customer forwarding to your SaaS in one API call.
Jonathan Geiger·How to Monitor 10,000 Customer SSL Certificates Without Your On-Call Crying at 2am
A practical playbook for tracking SSL + DNS health across multi-tenant SaaS. The five failure modes worth instrumenting, the 30/7/1-day expiry ladder, DNS drift detection, sampling vs per-domain probes, and a page-vs-ticket matrix.
Jonathan Geiger·Custom Domains for Stripe-Powered Storefronts: From Checkout to CNAME
How to give your sellers their own domain (shop.acme.com) when they use Stripe Checkout for collect and Connect for payouts. Apex CNAME, Stripe success_url, Connect account branding, and edge routing per seller — with code.
Jonathan Geiger·How to set up custom domains for your SaaS with Cloudflare SSL for SaaS (and a simpler way)
Cloudflare SSL for SaaS works — but you'll wire up eight setup steps, three validation methods, and a 100-hostname quota. Full Cloudflare tutorial below, plus a 5-minute Domainee setup with 50 free domains, no card.
Jonathan Geiger·How to add custom domains for your users in an AI-built SaaS (Lovable, Base44, Bolt, v0)
Shipped a SaaS on Lovable, Base44, Bolt, or v0? Here's how to let YOUR users connect their OWN domain to it. White-label SaaS, branded URLs, set up in 10 lines of code.
Jonathan Geiger·How to host your Lovable app on a custom domain (free, 10 minutes)
Take your Lovable app live on your own domain without paying Lovable's hosting fee. Export to GitHub, deploy on Vercel, point your domain. Auto-deploys on every Lovable change. $0/month.
Jonathan Geiger·Custom Domains API for AI agents: announcing the Domainee MCP server
The Domainee Custom Domains API is now drivable from your AI agent. Claude, Cursor, Claude Code — same Bearer key your code uses, one config block to install.
Jonathan Geiger·The Best Buy-a-Domain API for SaaS in 2026
Most domain reseller APIs were built for hosting resellers, not modern SaaS. Here's what to actually look for, and a 60-second integration guide for the one we built.
Jonathan Geiger·How to Let Your Users Buy Domains Inside Your SaaS (2026 Guide)
Stop sending your users to GoDaddy and praying they figure out the CNAME. Here's how to ship a 'Buy a Domain' button inside your product with one API call.
Jonathan Geiger·How to Let Users Connect a Custom Domain to Your SaaS (with Code)
A complete tutorial: register customer hostnames via the Domainee API, show them their CNAME, verify with webhooks, and ship the whole feature in about 80 lines of code.
Jonathan Geiger·5 Best Custom Domain APIs (Compared by Real Cost to Ship)
We compared every custom-domain API a SaaS team can self-serve right now. Here's what we found on free tiers, per-domain pricing, bandwidth, and AI agent support.
Jonathan Geiger·