Re: PAB How long domain names

From: Andreas Schachtner (pab@intra.de)
Date: Tue Dec 02 1997 - 23:58:39 PST


...
 
> Would be nice if there was some standard for maximum length other than
> what Unix can cope with (very long)

It's in RFC 1035 Domain Implementation and Specification:

2.3.4. Size limits

Various objects and parameters in the DNS have size limits. They are
listed below. Some could be easily changed, others are more
fundamental.

labels 63 octets or less

names 255 octets or less

In this case, a SLD is a label, the FQDN including dots is a name.

Regards,
        Andreas Schachtner



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