Can You Use Underscore In Domain Name. In DNS host names are the name fields of A or MX records or the data fields of the SOA and NS records. Google views hyphens in URLs as word separators while an underscore in your url will not be recognized.
In DNS host names are the name fields of A or MX records or the data fields of the SOA and NS records. For a list of characters that can be be used view our guide to choosing a good domain name which also contains other handy tips and guidelines for registeringau names or other extensions. DNSName entries MAY include underscore characters such that replacing all underscore characters with hyphen characters - would result in a valid domain label and.
They allow you to distinguish between geographic locations you can use hyphens to separate the location name from the rest of the domain.
Underscore characters MUST NOT be placed in the left most domain label and. Thats all part of technical documentation though. That one restriction relates to the length of the label and the full name. As such you cannot register a domain name with an underscore character.