How do i transfer domain from one.com to cloudflare by updating nameservers?

Ive read https://developers.cloudflare.com/registrar/get-started/transfer-domain-to-cloudflare/ however i still have questions regarding how this affect other services that my client use from one.com like their emailing service etc. How do i keep their emailing services and other services they might use, intact while only updating the http/https traffic?

Cloudflare Docs

Transfer your domain to Cloudflare · Cloudflare Registrar docs

Transferring your domain to Cloudflare tells your registry that a different registrar can now set those authoritative records for you. The relationship is based on trust. Registries only trust one registrar at any given time to make changes on your behalf.

AW•3/9/25, 12:28 PM

As long as you keep the DNS records the same within cloudflare, such as the MX records, there should be no issues

AW•3/9/25, 12:28 PM

Take a copy of the existing DNS records for safe keeping, incase you loose access or have issues

pOP•3/9/25, 12:35 PM

Should i disable DNSSEC on one.com?

Pp Ive read https://developers.cloudflare.com/registrar/get-started/transfer-domain...

Laudian•3/9/25, 1:05 PM

Do you actually want to transfer your domain registration, or do you just want to use Cloudflare for HTTP(S)?

LLaudian Do you actually want to transfer your domain registration, or do you just want t...

pOP•3/9/25, 1:05 PM

i wanna use it for cloudflare pages

Pp i wanna use it for cloudflare pages

Laudian•3/9/25, 1:09 PM

The docs you linked above are for rtansferring your registration, have a look at these instead:
https://developers.cloudflare.com/fundamentals/setup/manage-domains/add-site/

https://developers.cloudflare.com/fundamentals/performance/minimize-downtime/

Also, follow @AW 's advice and keep a copy/export of your DNS records prior to changing your nameservers.

And yes, you need to disable DNSSEC before you change your nameservers.

LLaudian The docs you linked above are for rtansferring your registration, have a look at...

pOP•3/9/25, 1:18 PM

Ok thank you!

LLaudian The docs you linked above are for rtansferring your registration, have a look at...

pOP•3/28/25, 11:06 PM

When importing and adding the dns settings, I should not add the old NS and SAO records?

pOP•3/28/25, 11:08 PM

What about the acme challenge. I would assume their mailing service use it for ssl but since I now will have the website be hosted on cf pages. How will the ssl be handled. Will their admin panel still work on one.com for managing email accounts etc.

Pp When importing and adding the dns settings, I should not add the old NS and SAO ...

Laudian•3/29/25, 4:44 PM

You should not copy NS and SOA records for the root domain. If you have NS records for subdomains, you might need those.

As for the other question, that depends on how they issue SSL certificates. If they created acme-challenge DNS records automatically in the past, it will no longer work. If they used the HTTP challenge, it makes no difference.

LLaudian You should not copy NS and SOA records for the root domain. If you have NS recor...

pOP•3/29/25, 6:11 PM

"If they created acme-challenge DNS records automatically in the past, it will no longer work" what do you mean with this, it seems it was created automatically by microsoft when they signed up for their email adminstrtation panel. Will this no longer work?

How do i transfer domain from one.com to cloudflare by updating nameservers?

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