Why is DNS 18.104.22.168 faster than 22.214.171.124 for me? Why does 126.96.36.199 work better than 188.8.131.52 in response times? Is there a problem that this happens?
They should be almost the same. How are you testing this?
Here are some troubleshooting tips:
The ‘dig’ commands in that article will show you the response time for each query.
‘traceroute’ is handy for overall connectivity performance to each address.
‘dig’ is the more useful of the two when testing real-world performance.