We currently have one Dell server where one of my old developer had installed UNBOUND for the DNS thing with 2 IP and its working till date.
But lately I have found that, it takes some time to resolve like 2-3 seconds extra.
... So, I guess the performance is not tuned up.
So, I need someone who has basically setup a DNS server before for any ISP and knows, what Im speaking about. ... So, I need someone who has basically setup a DNS server before for any ISP and knows, what Im speaking about. You can read it here about the reverse DNS records too,
And we need this reverse DNS records done for all of our 6 blocks of /22 , as due to the absence of it, our IP are getting blocked every day for spam by the customers.