When you really get to know the advanced functions in Microsoft Excel, one function that you will no doubt begin to use frequently is the IF function. In automating your calculations and data manipulation, the IF function will give you some of the same features that professional developers often use to design programs.
Pointer (PTR) resource records that are created automatically when you add a host (A or AAAA) resource record to a zone will be deleted automatically if the corresponding host (A or AAAA) resource record is deleted.You can complete this procedure using either the DNS Manager snap-in or the dnscmd command-line tool.lick OK to add the new record to the zone. To add a pointer (PTR) resource record to a reverse lookup zone using a command line. Open a command prompt. To open an elevated Command Prompt window, click Start, point to All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.
$ account already exists for the DNS record. When the DNS client is configured to use a static IP address, the DNS client registers both host (A) resource records and pointer (PTR) resource records on the DNS server.Then, the DNS client adds the. $ account together with Full Control permissions for the DNS record.uring the Refresh interval, the client's DNS time stamp is updated. During the Scavenging interval, old DNS resource records are automatically deleted. When a DNS client or a DHCP server performs a dynamic update, the DNS record adds the. $ account to the permissions for the DNS record.