I have a web server, port 53 is open for DNS. I am getting thousands of lines in my /var/log/messages that look like:
Jan 27 08:34:21 server named[14051]: client 77.88.26.1#5335: query (cache) 'www.bpharma.in/A/IN' denied
Jan 27 08:34:23 server named[14051]: client 77.88.16.112#52035: query (cache) 'www.bpharma.in/A/IN' denied
Jan 27 08:34:24 server named[14051]: client 77.88.16.112#63885: query (cache) 'bpharma.in/A/IN' denied
Jan 27 08:59:17 server named[14051]: client 66.249.71.24#52367: query (cache) 'maheshwar.in/A/IN' denied
Jan 27 08:59:25 server named[14051]: client 66.249.71.27#47186: query (cache) 'maheshwar.in/A/IN' denied
I am just wondering if this is normal, and if not what should I do about it?