Anyone knows what these weirdo domains are?

[heis2201]

Of course I should have used the search feature. Sorry for posting something that has long been answered.

Just some weird domains being logged

Chrome tries to find out if someone is messing up with the DNS (i.e. wildcard DNS servers to catch all domains). Chrome does this by issuing DNS requests to randomly generated domain names. In a normal setup this results in a “No such name” response from your DNS server. If the DNS server you use has a wildcard setup, each of these requests will result in a response (which is normally even the same) so Chrome knows that there is someone messing around with DNS responses. In my experience this …

Why do I see domains with random characters (such as yfjmdpisrvyrnq) in my query log?

This behavior is something that Chrome does. You may see domains in your log such as 2017-30-22T15:18:51 A yfjmdpisrvyrnq localhost(127.0.0.1) OK 2017-30-22T15:18:51 A attxnwheeeuiad localhost(127.0.0.1) OK 2017-30-22T15:18:47 A nskywzjbpj localhost(127.0.0.1) OK 2017-30-22T15:18:45 A jlkjfxgwhpn localhost(127.0.0.1) OK 2017-30-22T15:18:45 A qumdgakndpowoga localhost(127.0.0.1) OK 2017-30-22T15:18:35 A wbjdzyaplucvpcl localhost(127.0.0.1) OK A Chrome web browser reaches out to r…

Closing...