[dns-operations] Can Root DNS server modify the response?

[Dave Warren]

On 2019-03-23 16:32, SM wrote:
> Hello,
> At 07:09 PM 22-03-2019, solvepuzzle at secmail.pro wrote:
>> Now the E root and F root are Cloudflare's server, should I
>> change my DNS software to lookup other alphabet root server?
>>
>> Cloudflare's DNS service is censoring so using it as a root DNS
>> is really bad news.
> 
> The above question is ambiguous as it might be about the Root Servers or 
> a DNS recursive resolver (1.1.1.1).

Is there any evidence of censorship on Cloudflare's resolver or root 
servers?