List with prices for domain zones?

Question

Domain name market

We need a service with an up-to-date and constantly updated list of prices for domain zones from different registrars (maximum coverage).
Also, an additional sub-question, where you can now register the cheapest domain in the .net zone, so far I found it for 550 rubles.

Answer 1

poke

Answer 2

Register or renew? Many registrars give the first year almost for nothing, and the second and subsequent - already at full cost ...