We were adding to the resolver's work queue before setting up the `@lookup` and `@parent` information. That could lead to the lookup being performed on the wrong (or `nil`) hostname. This also lead to some flakiness in specs.
See https://github.com/discourse/discourse/security/advisories/GHSA-rcc5-28r3-23rr Co-authored-by: OsamaSayegh <asooomaasoooma90@gmail.com> Co-authored-by: Daniel Waterworth <me@danielwaterworth.com>