Need help with DNS

I am a new member to the community, so this is my first post, I find Coludflare

Could you describe more in detail what exactly is your issue regarding the topic title?

There are different DNS,, can you tell me if these have being updated and if so can you tell me the latest one and is there a way to be sent a email telling me when the DNS have being updated.
I look forward to your reply

The difference between all of them is described as follows on the article below: