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>DNS servers should not be used as "internet connectivity tests" by pinging them. Not true. >They are not maintained as ICMP test servers, and that is not the
by emilfihlman 8y ago
>DNS servers should not be used as "internet connectivity tests" by pinging them.
Not true.
>They are not maintained as ICMP test servers, and that is not their purpose.
Irrelevant.
>While many do not block ICMP packets, there are typically rate limiting systems in place, and other reasons why they would not respond to ping requests.
8.8.8.8 and 1.1.1.1 and all the major ones don't care.
Pinging DNS servers is highly productive and easy. There is nothing bad with using them as internet connectivity tests or SLA measurements.