unable to resolve host address

[pacesetterplus]

wget: unable to resolve host address ‘dl.google.com’

[wglambert]

I'm not able to reproduce any issue with DNS or network connectivity

$ docker run --rm openjdk:8-jdk ping dl.google.com
PING dl.l.google.com (172.217.5.78) 56(84) bytes of data.
64 bytes from lax17s15-in-f78.1e100.net (172.217.5.78): icmp_seq=1 ttl=251 time=20.7 ms
64 bytes from lax17s15-in-f78.1e100.net (172.217.5.78): icmp_seq=2 ttl=251 time=16.8 ms
^C
--- dl.l.google.com ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 16.811/18.774/20.737/1.963 ms
$ docker run --rm openjdk:8-jdk ping deb.debian.org
PING static.debian.org (128.31.0.62) 56(84) bytes of data.
64 bytes from mirror-csail.debian.org (128.31.0.62): icmp_seq=1 ttl=251 time=86.3 ms
64 bytes from mirror-csail.debian.org (128.31.0.62): icmp_seq=2 ttl=251 time=86.9 ms
^C
--- static.debian.org ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1003ms
rtt min/avg/max/mdev = 86.335/86.646/86.957/0.311 ms

You should ask for help troubleshooting over at the Docker Community Forums, the Docker Community Slack, or Stack Overflow. As these repositories are for issues with the image and not necessarily for questions of usability