Global DNS lookup and ping services

Web

DNS

• https://github.com/ccbikai/DNS.Surf

Ping

• https://ping.pe/ (DNS resolution is performed once in central location)
• https://ping.sx/
• https://globalping.io/ (max 500 endpoints per run, limited to 100000 per hour aggregated)
• https://tools.bunny.net/latency-test
• https://mtr.tools/

Local DNS

• https://www.akamai.com/blog/developers/introducing-new-whoami-tool-dns-resolver-information

For China mainland

• https://tools.ipip.net/newping.php (UI in Chinese)

Reverse ping (latency to global locations)

• https://www.meter.net/tools/world-ping-test/

Latency between IDC locations

• Latency Numbers
• https://wondernetwork.com/pings