creates a comma separated sorted list

Close closes the database

Compare the result with the expectations

Close finishes the current Write life cycle.

ReadDomains reads the domains to be checked from the given file

open (re)opens the database

Query the given nameserver for a single domain

Query the given nameserver for all domains

Query a nameserver for the bind version

AddDomain adds a domain if it does not exist yet

City looks up ISO code and City by IP address

Count returns the number of records written

Each iterates over all Nameserver records and calls the callback for each. If the callback returns an error, the iteration stops and that error is ret

Enqueue adds a new job

GetString returns a string representation of the attribute given.

IsValid tells you whether this Nameserver is valid (i.e. not "new" or "failed").

New opens a GeoIP database

NewWriter starts a new Writer life cycle. It returns a channel to which you send Nameserver instances. These are then transformed into different files

Results returns the results channel

Run starts the export and wait until it is finished

Start checks the options and starts the check routines

Stop closes input channel and waits for workers to finish

UpdateExectations checks the domain list against the references nameserver and saves the responses

check checks the database for modifications and reload it if necessary

consumes a job and writes the result in the given job

watcher runs periodically check() until shutdown

Collect collects metrics for Prometheus

Describe describes metrics for Prometheus

with code from encoding/csv (https://golang.org/src/encoding/csv/writer.go#L40) but without options (Comma, UseCLRF)