Domain Name Resolution Tools. It allows us to go in and do a lot of different things. The DNS lookup is done directly against the domains authoritative name server so changes to DNS Records should show up instantly.
Most of the time its successful but when its not you need to know why. In the right pane right-click ServerName where ServerName is the name of the server and then click Properties. CentOS Fedora Linux Distros RedHat 11 Comments nslookup is a command-line administrative tool for testing and troubleshooting DNS servers Domain Name Server.
In effect this tool is used as a command-line resolver a DNS client that sends queries of different types to a DNS server and returns a response.
The records include but not limited to A AAAA CNAME MX NS PTR SRV SOA TXT CAA. Nslookup is the most common DNS hostname resolution troubleshooting utility. It provides a visual analysis of the DNSSEC authentication chain for a domain name and its resolution path in the DNS namespace and it lists configuration errors detected by the tool. To start nslookup open a command.