This hostname does not serve the relay
The floonet epicbox relay is at flooepicbox.btlabs.uk
— one word, no hyphen.
[epicbox]
epicbox_domain = "flooepicbox.btlabs.uk"
epicbox_port = 443
floo-epicbox.btlabs.uk cannot work: an epicbox address may only
contain letters, digits and dots in its domain, so a hyphenated hostname makes
every address on it unparseable by the wallet.
epicbox.btlabs.uk would parse, but the relay recognises exactly one
hostname as its own. Anything else it treats as a foreign relay and tries to
forward to over the internet, so only the canonical name is served.