There are several tools that allow you to do a good DNS russian numbers speed check. One of the most popular ways is to use the DIG (Domain Information Groper) command in your computer's terminal. This way you can find out what the time is from your machine.
Windows : Go to Start, then Run. Type cmd and press Enter.
Apple : Click on the applications section and launch the terminal.
At this point you need to type the command time dig iltuosito.comto get the requested information. The Domain Information Groper is used to query DNS servers and reports the time it takes for your website to get the information it needs. Here is an example.
nslookup command terminal
Specifically, you can look at the query time in milliseconds (the value taken by the computer to execute the command) and the real time. That is, how long it takes the machine to reach the DNS . Now, subtract these values and you have the result: how long it takes the DNS to respond.
Further reading: Using dashboards for core web vitals
Other Tools to Evaluate DNS Speed
There are other applications to determine the DNS loading speed, even in the tools to evaluate the performance of websites you can find it. Here, for example, the results of Pingdom .