Domain Name Length Limit

Section 3 3 says that a domain name is represented as a series of labels and is terminated by a label of length zero.

Domain name length limit. According to a report from domain marketplace sedo during 2011 the most popular length for any name traded on the marketplace was 8 characters the longest was 42 characters. The 15 character maximum referred to is the maximum length of the netbios name of a computer. The full domain name may not exceed a total length of 253 ascii characters in its textual representation.

Here are some interesting statistics related to domain name length. In my opinion domains with 3 or 4 words and more than 20 characters better be memorable and off the charts popular. What is the maximum domain name length.

Thus when using a single character per label the limit is 127 levels. The label of length zero represents the root label a label consists of a length octet followed by that number of octets. The maximum length of the host name and of the fully qualified domain name fqdn is 63 bytes per label and 255 bytes per fqdn.

In terms of popular online destinations back in 2013 we published some statisticsindicating many of the world s most visited web sites have domain names of between 6 10 characters. Domain name length statistics. The samaccountname will be the netbios name with a trailing character so the maximun samaccountname is 16 characters.

The empty label is reserved for the root node. Why is it rejecting this name that is under the limit. 127 characters plus 126 dots have a total length of 253.

The common name the value of the cn attribute can be up to 64 characters. It s not a law or penalty that a domain should be less than or equal to 20 characters. Because the limit isn t the number of characters.