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.
How to check domain's MX ( mail exchange ) records using dig command on Linux. dig command is a very useful DNS lookup utility. It can be used to retrieve DNS records information of any domain name by querying specifc DNS servers. It is also a great troubleshooting tool for any admin configuring or troubleshooting existing DNS server. To retrieve domain MX records simply use MX option in combination to domain name you wish to query.