Greetings, I have installed BIND9 to act as authoritative dns server for my company
If I query reverse IP lookup via any public dns for my ISP's different Ip address, I get this result,,, For every IP on which my ISP have made custom record I get this result: ** nslookup 111.111.111.158 nslookup 111.111.111.159.myisp.com Name: company1.isp.com ** nslookup 111.111.111.159 nslookup 111.111.111.159.myisp.com Name: company2.isp.com For several other hundreds IP addresses of my ISP, I get this result as default ** nslookup 111.111.111.160 Name: 111-111-111-160.myisp.com Address: 111.111.111.160 ** nslookup 111.111.111.161 Name: 111-111-111-161.myisp.com Address: 111.111.111.161 How this is done that every unused ip, these unused ips of my ISP have no ping replies from them and yet each ip is showing isp name by default? Do ISP creates manual records for there unused IP's as well or is there any general statements defined in there dns? How I can do this in my Unbound config so that if I do Nslookup for any unused Ip of my LAN it should return like x-x-x-x-mydomain.com ? Regards, SJZ <http:///>
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