20 Max Length Of Email Domain Name In This Year

Top level domain length vs.

Max length of email domain name. 5 7 until further notice the domain name e g. 253 characters is the maximum length of full domain name including dots. The maximum lengths are hash defined in lmcons h.

The maximum length of a dns name is 255 octets. This is spelled out in rfc 1035 section 2 3 4. According to a report from domain marketplace sedo during 2011 the most popular length for any name traded on the marketplace was 8 characters.

Here are some interesting statistics related to domain name length. Total domain length by andrew allemann february 17 2014 uncategorized 29 comments some top level domain names are longer than we re used to but they can still be shorter overall. We intend to allow longer domain names where the third level domain has a maximum of 63 characters.

A domain name can be as long as 253 characters all told but it s rare that one is. In the version of this file i have on my xp machine installed as part of visual studio 8 dnlen 15 and unlen 256. According to the techical report by dominic sayers.

A customer didn t understand why the dnsvalidatename was rejecting the following string. The maximum length of the host name and of the fully qualified domain name fqdn is 63 bytes per label and 255 characters per fqdn. Dns name maximum string length should be 250 ascii characters instead of 253 based on the following byte sequence which as per rfc1035 is maxed to 255 bytes.

63 letters 63 letters 63 letters 62 letters the documentation says returns error invalid name if the dns name is longer than 255 octets. 63 characters in the maximum length of a label part of domain name separated by dot. Domain name length statistics.