How do I find all domain names that are CNAME aliased to given domain name?
36857
Querying DNS for CNAMEs for a server
62846
How do I remove an alias?
133684
For my own DNS server, "dig ... @ip-address" works, but "dig ... @domainname" does not
54096
List of Stack Exchange subdomains that are not mentioned in "All Sites"
138472
How do I extract the domain out of an URL?
45729
Search Google for domains rather than pages
10962
CNAME for top of domain?
50437
How to get the base domain name from an URL using PHP?
7179
How to redirect subdomains without specify the domain?
75032
How to extract the hostname portion of a URL in JavaScript
70076
What's the best method in ASP.NET to obtain the current domain?
95853
How is DNS lookup configured for OSX Mountain Lion?
137798
Get host domain from URL?
49640
how a dns query works
137000
Wildcard certificates with short hostnames?
7912
How does ServerName and ServerAlias work?
129587
Checking if a domain name is registered