How do I reverse DNS?
Create a PTR record within your reverse DNS domain.
- Step 1: Request Zone from ISP. First, you need to obtain the IP address of your mail server.
- Step 2: Request Reverse DNS Delegation.
- Step 3: Create Reverse DNS Domain.
- Step 4: Create PTR Record.
How do I update PTR record?
Go to the “IPs list” column and click the “IP” link for the Colocation Server that needs to be updated with the PTR record. Enter the PTR record in boxes under the “Reverse Lookup” column and click “Update”. Mass update form will allow you to save the Reverse lookup for multiple serverpacks and IP addresses at once.
How do I enable reverse DNS lookup?
To configure a DNS reverse lookup zone
- Click Start, click Administrative Tools, and then click DNS.
- In DNS Manager, if it is not already expanded, double-click the server name to expand the tree.
- Select Reverse Lookup Zones, right-click Reverse Lookup Zones, and then click New Zone.
How long does reverse DNS take to propagate?
There is a propagation delay involved. When you change your “delegation” at your RIR for your reverse DNS to new servers, there is usually 24 hours for those reverse DNS name server changes to occur. However some people have waited longerARIN says that it usually takes 24 hours.