subdomain - If I own a domain do I own all of its sub domains?
2013年9月9日 · Since you're not a domain name registrar, you are still in control of the entire namespace; your allowing other people to use your subdomains is a private matter and is …
Does each subdomain need its own SSL certificate?
I recommend "getssl" to create SSL Cert for subdomain hosted on another server. Let't say: You have a primary domain (example.com) with SSL Cert on SERVER A. You have a subdomain …
When should one use a 'www' subdomain? - Stack Overflow
First it means that any user you're giving cookies to will send those cookies back with requests that match the domain. So even if you have a subdomain, images.example.com, the …
How to create a domain and a subdomain in AWS?
2011年8月10日 · A domain is created at the registrar level - GoDaddy, Network Solutions, VeriSign, etc. while a subdomain is created in DNS. If you are referring to how you can create …
TLD and subdomain - Server Fault
Let's say I have example.com, example is a subdomain of .com. So if I'm buying example.com I actually buy subdomain example. In other words the registrar only providing paid service of …
Do I have to buy a second wildcard certificate for a subdomain?
2014年9月9日 · #Yes, you will have to buy another certificate*# The asterisk wildcard character * will only match 1 label in a resolved FQDN. This behavior reflects RFC 4592 Section 3.3, in its …
How to let PHP to create subdomain automatically for each user?
2008年10月9日 · enter "*" as the value of subdomain; Now every time you enter a random string before your domain name, it will direct to the wildcard sub domain. You can modify the …
dns - Why ww2 sub domains? - Stack Overflow
2009年11月7日 · All browsers limit the number of concurrent connections to a particular host (6 for most modern browsers). If a page contains lots of assets, page-load would be slow as the …
dns certificate subdomain lets-encrypt - Stack Overflow
2020年2月14日 · If I only own example.com domain, *.user1 is a CNAME of example.com, but I don't have user1.example.com domain, so there can't satisfy DAN-01 challenge on …
hosting - subdomain of a subdomain? - Server Fault
Isn't sub2.sub1.subdomain a different subdomain rather than a sub domain of sub1? That isn't a useful distinction. Will all of these subdomains have their own doc roots? Assuming that all the …