Comment 21 for bug 1970252

Verified for Kinetic:

# lxc launch images:ubuntu/{kinetic, jammy} test-bind9
# lxc exec test-bind9

# cat <<EOF >/etc/apt/sources.list.d/ubuntu-$(lsb_release -cs)-proposed.list
# Enable Ubuntu proposed archive
deb http://archive.ubuntu.com/ubuntu/ $(lsb_release -cs)-proposed restricted main multiverse universe
EOF

# apt update && apt dist-upgrade -y
# apt install dnsutils -y
# dig +nssearch isc.org

SOA ns-int.isc.org. hostmaster.isc.org. 2023031585 7200 3600 24796800 3600 from server 149.20.1.73 in 31 ms.
SOA ns-int.isc.org. hostmaster.isc.org. 2023031585 7200 3600 24796800 3600 from server 199.254.63.254 in 131 ms.
SOA ns-int.isc.org. hostmaster.isc.org. 2023031585 7200 3600 24796800 3600 from server 199.6.1.52 in 167 ms.
SOA ns-int.isc.org. hostmaster.isc.org. 2023031585 7200 3600 24796800 3600 from server 51.75.79.143 in 191 ms.
;; communications error to 2001:41d0:701:1100::2c92#53: timed out
;; communications error to 2001:500:60:d::52#53: timed out
;; communications error to 2001:500:2c::254#53: timed out
;; communications error to 2001:4f8:1:f::73#53: timed out

Dig does not crash - good to go