whois
Command-line client for the WHOIS (RFC 3912) protocol. More information: <https://github.com/rfc1036/whois>.
RUN apt-get update && \
apt-get install -y whois
RUN apt-get update && \
apt-get install -y whois
RUN apk add whois
RUN pacman -S --noconfirm whois
RUN apt-get update && \
apt-get install -y whois
RUN yum install -y whois
RUN dnf install -y whois
RUN apt-get update && \
apt-get install -y whois