Ask Ubuntu is a question and answer site for Ubuntu users and developers. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. According to this page it appears to be simple. So, without installing any further software, how can configure DNS and remove dnsmasq on ubuntu server? Note : This anwer is more related to Ubuntu Desktop, but since the suitable question was marked as duplicate of this one incorrectly, IMO I post it here. Ubuntu Community Ask!
Installing the DNS server role
Create an SPF Record in DNS
The server can act as an authoritative, recursive, and caching name server and it supports wide range of features. This tutorial will describe deploying primary and secondary BIND servers as authoritative name servers. This is suitable for public or private name servers, however, internal private name servers will usually include recursive and caching elements for local DNS resolution.
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We can send and receive email using a desktop email client. I have seen it used by facebook. Some folks might think that -all will be better as it will reject emails from untrusted hosts. To check if your SPF record is propagated to the public Internet, you can use the dig utility on your Linux box like below.
A good deal of what is described here can be automated by using the ssh-copy-id command, rather than manually copying and installing public keys. First, you create a git user account and a. Again, the public keys look something like this:.