Knot DNS kdig command-line tool inside a distroless image.
docker run --rm -it lestienne/kdig:latest @1.1.1.1 knot-dns.cz SOA +dnssec
Or create an alias:
echo `alias whois="docker run --rm -it lestienne/kdig:latest" | sudo tee -a ~/.bashrc`
source ~/.bashrc
kdig @1.1.1.1 knot-dns.cz SOA +dnssec
lestienne/kdig:2.7.6
,lestienne/kdig:2.7.6-2
,lestienne/kdig:latest
lestienne/kdig:2.4.0
,lestienne/kdig:2.4.0-3