Fix log-servfail with serve expired and no useful cache contents#1198

Merged

gthess merged 2 commits intomasterfrom bugfix/log-servfail-serve-expired

Dec 3, 2024

+127-12

Commits on Dec 2, 2024

- Fix #1193 : log-servfail fails to log host SERVFAIL responses in
gthess
committed
- For #1193 , introduce log-servfail.tdir and cleanup the log-servfail
gthess
committed