How does one clear dig’s DNS cache on Ubuntu?
Question I’m trying to use dig to verify some DNS information, but I’m only seeing old results. From what I’ve read, Ubuntu doesn’t cache DNS by default at an OS level. If that’s true, then the dig...
View ArticleServices that just return your public IP as text
Question I’m writing a script that does dynamic DNS updates for me, but my server is behind a router, and so I need to use a web service to determine my public IP. So far I’ve found this one which...
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Windows uses DNS server from Wifi NIC rather than cabled NIC, despite cable...
Question At work we have both a guest wifi and wired lan. When Im plugged in to the lan and have the wifi turned off, I get a local dns server which resolves internal servers correctly. But if I have...
View ArticleRepadmin and DNScmd
Question A little query really in terms of the usage of Repadmin and DNScmd when forcing replication of DNS zones. I’m currently studying for my 70-640 (Active Directory Exam) and was wondering what...
View ArticleWhy should I use DNS 8.8.8.8?
Question Possible Duplicate: Google's DNS service: Google public DNS I was asked to put 8.8.8.8 as an alternative DNS server. Through whois I found that the IP address corresponds to the host...
View ArticleHow to set up an alias server name
Question I want to set up an alias server name on my laptop (Linux). I do not want to use the /etc/hosts/ file since the IP address of the remote server changes. The reason I want to do this is because...
View ArticleCan’t resolve domain names in Ubuntu with a static IP
Question Running Ubuntu 9.04 fully patched on a custom machine. My typical setup is to assign static IP’s to all my machines in the network (simplifies things with the other hardware). This morning, my...
View ArticleI’m being redirected to a parking site when dns resolution fails
Question I’ve just realized that when I enter an URL in the browser and navigate there, if the site doesn’t exist I get redirected to a parking site full of ads. Confirmed that the site doesn’t exist...
View ArticleWhat does authoritative DNS server mean?
Question What does authoritative DNS server mean? Can someone please explain it to me in a shorter way? Asked by LanceBaynes Answer An authoritative name server is a name server that gives answers in...
View ArticleHow do I check what DNS server I’m using (on Mac OS X)
Question In Mac OS X, how do I check what DNS server I’m currently using (preferably a command line solution)? System Preferences > Network shows 192.168.1.1, which is my router’s address and not...
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