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Bookmark or Share- Can (domain name) subdomains have an underscore "_" in it?3. "domain name" is an ambiguous term. What it means vary when used in a DNS settings vs when viewed in a "registration" setting, aka when you are about to register a given name. You can't register a domain name with an underscore because in the registration plane a domain name is in fact more an hostname in the DNS terminology and hence more ...
- What top-level domains does youtube have? - Stack OverflowUnfortunately this is a moving target, as the YouTube changes. At the time of writing (Mar 2015), that list is as follows: *.youtube.com. *.googlevideo.com. *.ytimg.com. In addition to the core domains above, some ancillary domains are also needed to display the ads, etc on most YouTube pages: apis.google.com.
- Get The Current Domain Name With Javascript (Not the path, etc.)Previous version was getting full domain (including subdomain). Now it determines the right domain depending on preference. So that when a 2nd argument is provided as true it will include the subdomain, otherwise it returns only the 'main domain'
- How to select domain name from email address - Stack OverflowAssuming that the domain is a single word domain like gmail.com, yahoo.com, use. select (SUBSTRING_INDEX(SUBSTR(email, INSTR(email, '@') + 1),'.',1)) The inner SUBSTR gets the right part of the email address after @ and the outer SUBSTRING_INDEX will cut off the result at the first period.
- ssl - How do Common Names (CN) and Subject Alternative Names (SAN) work ...This means that the domain name must be checked against both SubjectAltName extension and Subject property (namely its common name parameter) of the certificate. These two places complement each other, not duplicate each other. And SubjectAltName is a proper place to put additional names, such as www.domain.example or www2.domain.example.
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