DNS for Beginners: A, AAAA, CNAME and TTL Explained by Practice
Point a root domain and www host to a first server, understand A, AAAA, CNAME and TTL, verify public DNS and remove conflicting records.
Field notes, operating decisions and tested methods—organized so you can find the next useful answer in seconds.
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Point a root domain and www host to a first server, understand A, AAAA, CNAME and TTL, verify public DNS and remove conflicting records.