Substack Support: How do I set up my custom domain on Substack?
support.substack.com backs 1 GrowthDex tactic and 1 essay. This page exists so readers and crawlers can follow the evidence trail from source to tactic to plain-English case study.
Original source
Substack Support: How do I set up my custom domain on Substack?
Coverage snapshot
support.substack.com currently informs 1 tactic and 1 GrowthDex essay.
- Channels: Brand, SEO, Substack
- Stage tags: brand trust, domain setup, migration hygiene, newsletter seo
- Essay categories: brand trust, newsletter growth, seo
- Niches: AI products, B2B newsletters, creator tools, independent media, SaaS
Cited GrowthDex tactics
- Substack custom domain with root redirect before promoMove the newsletter onto a branded Substack domain before the links spread, then 301 the root so trust and search signals do not split.
Cited GrowthDex essays
- The newsletter should know which growth to keepnewsletter growth, brand trust, seo · 2026-06-05T12:00:00Z
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