Servers with underscoures in the names

Posted on 2006-04-19
Last Modified: 2010-04-18

Is it correct that you shouldnt have a DNS record with an underscoure in the name.  i.e, so therefore best practice would be not to have servers with underscoures in the names.
Question by:MarionTaylor
    LVL 25

    Assisted Solution

    actually that is incorrect:

    underscores ('_') are not valid in DNS hostnames per RFC 952 and RFC 1123 but are now valid per RFC 2181
    LVL 51

    Accepted Solution

    MS DNS will support this, but other implementations may not.

    You are best NOT to use them to be certain nothing breaks.


    Author Comment

    Thanks guys.

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