Alias(cname) limit per A record

[Cnews-ms]

Is there a limit on the number of cname records/aliases that can point to
the same A record(our router). we have 1 A record for our router and would
like to point our ftp ,mail and intranet then map thru firewall to proper
host.
Is there a better method?

thanks
CR

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[Kevin D. Goodknecht Sr. [MVP]]

Is there a limit on the number of cname records/aliases that can
point to the same A record(our router). we have 1 A record for our
router and would like to point our ftp ,mail and intranet then map
thru firewall to proper host.
Is there a better method?

Cnames are OK so long as the "A" record is located in the same domain. If
the Cname points to an "A" record in a different domain, it requires an
extra lookup to get the address.