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Answer by grawity_u1686 for What is the maximum length of a domain name?
It depends on the context. Your RFCs list different limits because they talk about different things – the SMTP limit of 255 is specifically for the domain-part of local@domain email addresses and has...
View ArticleWhat is the maximum length of a domain name?
According to domain name specifications RFC 1035:2.3.4. Size limitsnames 255 octets or lessAccording to the SMTP RFC 5321:4.5.3.1.2. DomainThe maximum total length of a domain name or number is 255...
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