dns performance test - SERP Analysis

https://www.dnsperf.com/dns-speed-benchmark

https://dnsspeedtest.online/

https://www.reddit.com/r/dns/comments/182uf3p/introducing_dns_speed_test_web_tool_find_the/

https://www.dnsperf.com/

https://serverfault.com/questions/91063/how-do-i-benchmark-performance-of-external-dns-lookups

https://apposite-tech.com/products/netropy-traffic-generation/dnsstorm/

https://www.grc.com/dns/benchmark.htm

https://play.google.com/store/apps/details%3Fid%3Dcom.catinthebox.dnsspeedtest%26hl%3Den_US

https://docs.thousandeyes.com/product-documentation/tests/dns-tests

https://github.com/cleanbrowsing/dnsperftest