"hosts" contains domain "v6r9t2wkjw9qn77dubjjpkutewfddkb559zmw6hkqzkh7esp64ep4vs7dvwu8dhq.signal.org" which is not a valid domain name since it contains 64 symbols in an individual label, see RFC 1034§3:
...Each node has a label, which is zero to 63 octets in length...
This may affect some software: adding such a host to config of unbound nameserver will stop it from working.
Please remove this domain from the hosts and validate domains before adding them to the list
"hosts" contains domain "v6r9t2wkjw9qn77dubjjpkutewfddkb559zmw6hkqzkh7esp64ep4vs7dvwu8dhq.signal.org" which is not a valid domain name since it contains 64 symbols in an individual label, see RFC 1034§3:
This may affect some software: adding such a host to config of unbound nameserver will stop it from working.
Please remove this domain from the hosts and validate domains before adding them to the list