Best for… / SaaS Products
Best TLDs for SaaS Products
For SaaS, boring wins: .com has the best email deliverability and zero procurement friction, which matters because B2B SaaS lives in the inbox. When the .com is parked at $50k, .app (for product-led self-serve) or .co are clean fallbacks. Avoid TLDs with spam associations like .xyz for anything sending business email.
SaaS buyers include procurement departments and email filters — boring, trusted TLDs earn their keep here.
Skip these
.xyz — residual spam associations are a measurable email-deliverability tax in B2B.
Common questions
What's the best domain extension for a SaaS company?
For B2B SaaS, .com — it has the strongest email-deliverability reputation and passes procurement without a second glance. .app is a good self-serve alternative, and .co is a credible fallback. Steer clear of cheap TLDs with spam baggage if email is core to your product.
Does the TLD affect SaaS email deliverability?
It can. Very cheap TLDs attract bulk spam and draw stricter filtering, so cold outreach from them lands in spam more often. .com carries the best sender reputation, which is why B2B SaaS defaults to it.