Based on our record, DNSPerf seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I have no idea about the list on dnsperf.com for example digital ocean dns isn't fast at all, but it is top 5 on the list, and quite a few service on the list doesn't offer to small individual users. Source: almost 2 years ago
Cloudflare (at least for DNS if you don't want other features... See dnsperf.com for why). Source: almost 3 years ago
Opta - Opta is a new kind of Infrastructure-As-Code framework designed for fast moving startups.
Ethereum Name Service - Like DNS, but for Ethereum wallet addresses
Chain - The Block Chain API for Developers
How DNS Works - Super cute web comics about 'How DNS Works' for beginners!
MyCryptoAddress - Claim your Cryptocurrency address on the web
Cal.com - Cal.com (formerly Calendso) is the open source Calendly alternative.