DNS Question

[DAve]

Good morning.

I have been asked by my co-workers and sales why I always create a A 
record for new domains we host instead of a CNAME.

The issue I run into lately with some domains is that a client has a 
website with a industry host such as frank.relator.com and he wants to 
have DNS point www.frank.com to frank.relator.com with a CNAME. The 
client does not want an A record for frank.com.

Somewhere, in a class far far away, I was taught a DNS zone had to have 
a A record to function properly. I can't seem to locate anything in the 
RFCs.

Am I wrong?

Thanks,

DAve


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