Is there a minimal set of DNS records that serves as a standard for all websites to adhere to? Was there any attempt to create such a standard by an international Internet authority?

By the way, this question is quite a follow up for this question.

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    Why do you need a standard for that? A website is like any other host on Internet. To be reachable it needs its name to resolve to one or more IPv4 and/or IPv6 addresses, which is achieved in the DNS through A+AAAA records, optionnally through CNAME records. In theory SRV records would have fit the bill too and be more powerful/generic but browser makers have clearly stated they won't use it. – Patrick Mevzek Jun 18 '19 at 4:16

I don't believe there is a standard as such. Personally I always A and AAAA records to resolve sites and I avoid CNames as it's another DNS lookup.

I recommend DNSsec as well for that bit of added protection and proper mail server records including MX, SPF, DKIM, DMARC as strict as possible to stop your domain being flagged.

  • Hi, please see suggested edit. Also, please add a few words on if for you, AAAA is replacing CName. BTW, I misunderstand what you meant about CName being another DNS lookup. Thank you for the answer and also if you take care of this. – JohnDoea Jun 17 '19 at 9:18

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