When comparing Gandi vs Cloudflare Registrar, the Slant community recommends Gandi for most people. In the question“What are the best domain name registrars/providers?” Gandi is ranked 3rd while Cloudflare Registrar is ranked 17th.
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Pros
Pro All-inclusive package
Pro Free unlimited subdomains
Pro Two-factor authentication
Pro Free email forwarding
Pro Free web mail
Pro Best in basic features
Pro Private Whois registration is included
Private whois registration is provided without any extra charges.
Pro Programmatic API support
Via XML-RPC.
Pro Strong Anti-SOPA stance
Gandi took a stand against SOPA.
Pro Access levels and delegating is easy
Pro Zero-margin fees for any registrations
Cloudflare only charges the ICANN registration fees for the domain and does not add any own margin.
Pro Registration fee is topped up on existing paid fees
You do not loose any paid fees from other registrars because the ICANN fees you pay to Cloudflare are put on top of existing balances. This means you can move your domain at any time without losing any pre-paid fees.
Pro Automatic SSL for your website
Even if you do not have SSL on your web server, Cloudflare automatically provides a free SSL certificate if enabled.
Pro Deep integration into Cloudflare ecosystem
The registration is deeply integrated into the existing Cloudflare ecosystem. You basically do not have to leave Cloudflare's website to manage any part of your domain.
Pro Zero-margin fees for any registrations
Cloudflare only charges the ICANN registration fees for the domain and does not add any own margin.
Pro Zero-margin fees for any registrations
Cloudflare only charges the ICANN registration fees for the domain and does not add any own margin.
Cons
Con Can be perceived as lacking professionalism due to the blunt "no bs" tagline
At face value, Gandi's "no bs" marketing slogan and tone may be perceived as unprofessional, especially in the eyes of corporate or otherwise sensitive clients of yours.
Con Whois protection doesn't hide the name
Con No catch all email forwarding
Gandi does not support wildcard email forwarding for undefined addresses.
Con Unable to set custom name servers
By using CloudFlare as Registrar, you are forced to use their nameservers.
Con Bad support
Only email support available for free user. If something happens to your account or domain, you can send an email and have to wait 1-2 weeks to get an answer from a person.
Con Limited TLDs available
Due to the service being in early access the available TLDs are limited but may be extended later.
Con Existing domains only at the moment
It seems that you cannot register new domains trough the registrar but only move existing domains to the service.