Describe the bug

Will cause ugly failures on named startup.

see master.rs, crates/client/src/serialize/txt/rdata_parsers/null.rs, crates/server/src/store/forwarder/authority.rs

Log downloaded as truncated and even in preLogViewerBody. I can understand why you limit logsize to 2Mb for in browser view, but it should download whole file from server.
Browser returning previously cached result from request in downloadLog() function.

Firefox 72.0.1 x64

In version 1.2.0, LookupClient stops querying any other server in case the response was valid.
Valid responses are any responses without an error code. (Error responses might be retried, depending on configuration...)

But a no-error response might have zero answers, which can have many reasons.
It is very likely that every DNS server in your network will return the same empty response, bu

Hi,
i've looked little bit in your code and found out that the Public DNS Server from google are hardcoded into the library. I guess you know from the data collection from google and in my opinion the Google server are the worst choice from all possible dns servers (together with cloudfare).

So i have one question and one request:

1. Under which circumstances will the hardcoded dns server be

This notice is shown for the the most recent Travis getdns-node cron build (or at least the specific build jobs).

This job ran on our Precise, sudo: required environment which will be updated on May 3rd. You can check [more details about this in our blog](https://blo