Improve fetching HoF hosters #1562

Job	Run time
build-docker (internet.nl, docker/Dockerfile, app)	2m 21s
build-docker (unbound, docker/Dockerfile, unbound)	1m 22s
build-docker (linttest, docker/Dockerfile, linttest)	3m 20s
build-docker (test-runner, docker/test-runner.Dockerfile)	3m 24s
build-docker (webserver, docker/webserver.Dockerfile)	1m 21s
build-docker (grafana, docker/grafana.Dockerfile)	1m 33s
build-docker (util, docker/util.Dockerfile)	1m 18s
lint/check	3m 26s
docs	1s
batch-integration-test	4m 8s
development-environment-test	4m 8s
integration-test	4m 36s
test	3m 45s
	34m 43s

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