External dns record for adfs 3.0(windows 2012 R2 )

DNS Requirement
• Internal DNS
               
DNS Record                                         Record Type         Value                       Comments
sts.mydomain.com                               A                        172.16.160.30            HLB IP address
enterpriseregistration.mydomain.com     CNAME                sts.mydomain.com 

• External DNS

DNS Record             Record Type        Value                 Comments
sts.mydomain.com   A                        77.88.88.138      Public IP address