If I go to a web address that doesn't exist such as http://testestewcsdijncijfkdmkdfkddmkmdmdsexsecsecfvrgtoejwfej.com/ I get landed on a strange Chinese page like this:

This happens for all web browsers. Why does this happen? Is this something installed on my computer (malware?) or is it something my ISP does?

Extra info in response to comments/answers:

(I don't really know much about networking so I don't know what much of this means)

/etc/hosts:

127.0.0.1   localhost

127.0.1.1   $COMPUTER_NAME



# The following lines are desirable for IPv6 capable hosts

::1     ip6-localhost ip6-loopback

fe00::0 ip6-localnet

ff00::0 ip6-mcastprefix

ff02::1 ip6-allnodes

ff02::2 ip6-allrouters

where $COMPUTER_NAME is my actual computer name.

/etc/resolv.conf:

# Generated by NetworkManager

domain 520b.com

search 520b.com

nameserver 192.168.1.1

Output of dig siadfiosjdfosjdfsifjs.co.nz:

; <<>> DiG 9.7.3 <<>> siadfiosjdfosjdfsifjs.co.nz

;; global options: +cmd

;; connection timed out; no servers could be reached