Can't get DNS right

Discussion in 'DNS Server' started by Netware2Microsoft, Aug 24, 2004.

  1. Only if the nameserver is not responsible for publishing the name that
    the Cname points to. For example, if I wanted www pointing to the
    same IP address as, a Cname would usually be as fast,
    because the nameserver should return the A record for as
    well as the fact that www is a Cname.

    A good use for a Cname would be if you wanted a lot of hosts pointing
    to the same IP address, then you wouldn't have to change every A
    record for each host you wanted defined. This is especially useful if
    you have multiple IP addresses assigned to the host, or you used some
    type of DNS round robin situation on that A record.

    Having said that, I do tend only to use A records, though.

    Andrew Hodgson, Sep 4, 2004
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  2. Yes, have gone down this road before, was just giving an example.
    Also, I forgot to say yesterday regarding the extra data returned by a
    Cname record than an A record, because if the server hosting the Cname
    record has the ip address for the A record, then it has to return this
    in addition to the fact the record is a Cname. Lets face it, Cname
    records are either a love or hate thing.

    Andrew Hodgson, Sep 5, 2004
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