When we talk about ownership interests in real property, we're actually talking about many different types of ownership. Ownership interests come in various forms and, depending on the type of interest, a landowner's rights may be limited.
dig (domain information groper) is a network administration command-line tool for querying Domain Name System (DNS) servers. dig is useful for network troubleshooting and for educational purposes. dig can operate in interactive command line mode or in batch mode by reading requests from an operating system file.
DNS Propagation Checker. whatsmydns.net lets you instantly perform a DNS lookup to check a domain names current IP address and DNS record information against multiple name servers located in different parts of the world. This allows you to check the current state of DNS propagation after having made changes to your domains records.