alpina.txt

/ # apk update
fetch http://dl-cdn.alpinelinux.org/alpine/v3.11/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.11/community/x86_64/APKINDEX.tar.gz
v3.11.3-56-g2361a12f31 [http://dl-cdn.alpinelinux.org/alpine/v3.11/main]
v3.11.3-33-gadd23db31f [http://dl-cdn.alpinelinux.org/alpine/v3.11/community]
OK: 11262 distinct packages available
/ # apk search nslookup
bind-tools-9.14.8-r5
/ # apk add bind-tools
(1/16) Installing fstrm (0.6.0-r1)
(2/16) Installing libgcc (9.2.0-r3)
(3/16) Installing krb5-conf (1.0-r1)
(4/16) Installing libcom_err (1.45.5-r0)
(5/16) Installing keyutils-libs (1.6.1-r0)
(6/16) Installing libverto (0.3.1-r1)
(7/16) Installing krb5-libs (1.17.1-r0)
(8/16) Installing json-c (0.13.1-r0)
(9/16) Installing libstdc++ (9.2.0-r3)
(10/16) Installing libprotobuf (3.11.2-r0)
(11/16) Installing libprotoc (3.11.2-r0)
(12/16) Installing protobuf-c (1.3.2-r3)
(13/16) Installing xz-libs (5.2.4-r0)
(14/16) Installing libxml2 (2.9.10-r1)
(15/16) Installing bind-libs (9.14.8-r5)
(16/16) Installing bind-tools (9.14.8-r5)
Executing busybox-1.31.1-r9.trigger
OK: 18 MiB in 30 packages
/ # host www.google.com

www.google.com has address 172.217.17.4
Host www.google.com not found: 4(NOTIMP)
Host www.google.com not found: 4(NOTIMP)
/ # 
/ # host www.google.com
www.google.com has address 172.217.17.4
Host www.google.com not found: 4(NOTIMP)
Host www.google.com not found: 4(NOTIMP)
/ # nslookup www.google.com
Server:		10.96.0.10
Address:	10.96.0.10#53

Name:	www.google.com
Address: 172.217.17.4
** server can't find www.google.com: NOTIMP

/ # nslookup google.com
Server:		10.96.0.10
Address:	10.96.0.10#53

Non-authoritative answer:
Name:	google.com
Address: 216.58.211.46
** server can't find google.com: NOTIMP

/ # ping google.com
PING google.com (216.58.211.46): 56 data bytes
64 bytes from 216.58.211.46: seq=0 ttl=61 time=1006.405 ms
64 bytes from 216.58.211.46: seq=1 ttl=61 time=639.638 ms
^C
--- google.com ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max = 639.638/823.021/1006.405 ms
/ # ping www.google.com
PING www.google.com (172.217.17.4): 56 data bytes
64 bytes from 172.217.17.4: seq=0 ttl=61 time=48.883 ms
^C
--- www.google.com ping statistics ---
1 packets transmitted, 1 packets received, 0% packet loss
round-trip min/avg/max = 48.883/48.883/48.883 ms
/ # cat /etc/resolv.conf 
nameserver 10.96.0.10
search default.svc.cluster.local svc.cluster.local cluster.local
options ndots:5
/ # nano /etc/resolv.conf 
sh: nano: not found
/ # apk add vim
(1/6) Installing xxd (8.2.0-r0)
(2/6) Installing lua5.3-libs (5.3.5-r2)
(3/6) Installing ncurses-terminfo-base (6.1_p20191130-r0)
(4/6) Installing ncurses-terminfo (6.1_p20191130-r0)
(5/6) Installing ncurses-libs (6.1_p20191130-r0)
(6/6) Installing vim (8.2.0-r0)
Executing busybox-1.31.1-r9.trigger
OK: 54 MiB in 36 packages
/ # vim /etc/resolv.conf 
/ # ping www.google.com
PING www.google.com (172.217.17.4): 56 data bytes
64 bytes from 172.217.17.4: seq=1 ttl=61 time=45.910 ms
^C
--- www.google.com ping statistics ---
2 packets transmitted, 1 packets received, 50% packet loss
round-trip min/avg/max = 45.910/45.910/45.910 ms
/ # ping www.google.com
^C
/ # nslookup google.com
Server:		10.96.0.10
Address:	10.96.0.10#53

Non-authoritative answer:
Name:	google.com
Address: 216.58.211.46
** server can't find google.com: NOTIMP

/ # host www.google.com
www.google.com has address 172.217.17.4
Host www.google.com not found: 4(NOTIMP)
Host www.google.com not found: 4(NOTIMP)