Web Solution Master Blog

You log into the company that sold you your domain, add an A record, wait an hour, and nothing changes. Then someone points out that your DNS is actu

Look up the nameservers for a domain hosted on Cloudflare and you'll see something like amy.ns.cloudflare.com. Look up a domain managed by a hostin

You've updated an A record, the new server is live, and your colleague on the other side of the office sees the new site. Your own laptop, though, ke

You flushed your operating system's DNS cache, dig shows the new IP address, and yet the browser tab still loads the old server. That's because mod

Before DNS existed, every computer on the ARPANET resolved names using a single text file called HOSTS.TXT, downloaded periodically from a central

If you've ever been asked by a support team to "run nslookup and send me the output," you already know how central this tool is. nslookup ships wit