How to Reset and Flush DNS Cache in macOS Sierra

DNS, or a Domain Name System, is basically what resolves website names into their respective IP addresses. So, if y'all are encountering an issue on your Mac where the name server is not resolving properly, or if you want a DNS change to be noticed by your arrangement, you lot might accept to reset and flush the DNS cache in macOS Sierra. This can also come in handy, if you have fabricated edits to your /etc/hosts file, and you want the changes to register without having to reboot your Mac. So, if you desire to reset and flush the DNS cache on your Mac, here is how to do it:

Reset and Flush/Clear DNS Cache in macOS Sierra

The procedure to reset and flush aka clear DNS cache in macOS is actually very easy. All information technology requires is for you to enter one command in the Concluding, and yous're washed. Well, technically, information technology's two commands in one line. If you lot want to flush DNS cache on a Mac, simply follow the steps below:

i. Launch Terminal, and type "sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder".

two. You will be prompted to enter a password. Enter your Mac login countersign here, and striking Enter.

Peachy, you lot take successfully reset, and flushed the DNS cache on macOS Sierra. If you were encountering any issues with proper noun servers, and such, they should at present get resolved. You tin try and practise a "dig", or an "nslookup" on a website you want, to run into if your DNS issues have resolved.

Using dig to Check Query Times

Oft, if your DNS settings are messed upwards, or if you accept a DNS that is simply too slow, yous might be left wondering what is going on. To check whether your DNS is working fine, y'all tin can employ the "dig" command in the Terminal:

1. Launch Terminal, and type "dig beebom.com". You can use the name for any website in place of beebom.com.

ii. In the results, you can bank check the "Query fourth dimension". If you find that the query time for the website is as well high, you should change macOS's DNS settings, and set a DNS server like Google DNS.

Once you have changed the DNS server, you can run the dig command again, to check if there has been whatsoever improvement. Unless at that place is an issue with your Internet service provider, changing DNS to Google DNS, or OpenDNS should really help.

SEE Likewise: How to Change Icons in Mac Without Third Political party Apps

Reset and Affluent DNS Cache to Gear up DNS Issues

Y'all can reset and clear DNS enshroud in macOS Sierra to gear up about DNS issues that you might exist facing. The method mentioned in the commodity works for Mac Bone X 10.10.4+, and fifty-fifty on macOS Sierra. If you confront any issues with the commands I mentioned, feel costless to let me know in the comments section down beneath.

Source: https://beebom.com/how-reset-and-flush-dns-cache-macos-sierra/

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