What is dns server?
DNS means Domain Name System or Domain Name Server which helps to transfer ip address to domain name and domain name to ip addresses.It plays vital role in internet technology.For example,if you provide domain name like Google.com it convert the domain name into particular ip address.If you provide the ip address like 74.125.239.9 the domain name server will search for the particular website and display on your browser.DNS consist of many resource records.Some of them are A record,CNAME record,DNAME record etc., You can check domain to ip ,Ip to domain and DNS query using the site Whoisxy.com
You ll need DNS server if you want to use built-in bulk email server. To use it you should check Direct delivery on the addresses tab. DNS server is used to give a route to recipients mailbox. You can use any DNS you know. But the best choice for the fastest sending is to use your ISP s DNS. 5. What is SMTP server? You ll need SMTP server if you want to send bulk email using Blind Carbon Copy (BCC) or Personal Copy (PC) through your Internet provider and SMTP means -a mail server you use to send out your emails. If you don t know your SMTP you can contact your ISP to discover that.