ReadLimit is not configurable

[coelho]

DefaultReadLimit is a constant fixed at 1 MB that is not configurable (despite what the constant's name implies).
https://github.com/domainr/whois/blob/main/client.go#L20

Unfortunately, Whois replies can exceed 1 MB, so this can cause issues.

[case-fastly]

Thanks for letting us know here @coelho. We accept Pull Requests, fwiw :)