How Can I Check Nslookup PTR Record?

How To Use NSLOOKUP to View Your DNS Records

  • Launch Windows Command Prompt by navigating to Start > Command Prompt or via Run > CMD.
  • Type NSLOOKUP and hit Enter.
  • Set the DNS Record type you wish to lookup by typing set type=## where ## is the record type, then hit Enter.
  • Now enter the domain name you wish to query then hit Enter..

What is my PTR record?

PTR records are used for the Reverse DNS (Domain Name System) lookup. Using the IP address you can get the associated domain/hostname. An A record should exist for every PTR record. The usage of a reverse DNS setup for a mail server is a good solution.

How do I test nslookup?

How to use Nslookup to verify MX record configuration

  1. Go to Start > Run and type cmd .
  2. At a command prompt, type nslookup , and then press Enter.
  3. Type server <IP address> ;,where IP address is the IP address of your external DNS server.
  4. Type set q=M X, and then press Enter.
  5. Type <domain name> , where domain name is the name of your domain, and then press Enter.

Where is PTR record stored?

The A record for www is stored within the zone file for PTR records are not stored within your domain zonefile, they are stored in a zonefile usually managed by your service provider or network provider.

How do I setup a PTR record?

Go to DNS menu and select Managed DNS.

  • Either search for or select the domain you just created.
  • Click the plus sign in the PTR records table to add a new record.
  • Enter the following values for the PTR record: A. The name value of the PTR record will be the last octet of your mail server’s IP address.

Do I need a PTR record?

There should be exactly one PTR record per IP address/name pair. Each IP address should have a PTR record. The convention is, that name’s IP address must have a PTR record that resolves back to the name used in the MX record. There should be an A record for every PTR record (but not necessarily vice versa).

How do PTR records work?

What is a PTR record and how to add one? While the main purpose of the Domain Name System is to point domains to IP addresses, a PTR record works in the opposite way – it associates an IP with a domain name. Because of its purpose, a PTR record is sometimes called Reverse DNS Record.

How do I find a DNS name from an IP address?

Click the Windows Start button, then “All Programs” and “Accessories.” Right-click on “Command Prompt” and choose “Run as Administrator.” Type “nslookup %ipaddress%” in the black box that appears on the screen, substituting %ipaddress% with the IP address for which you want to find the hostname.

How do I do a DNS lookup?

Name Server lookup

Access your command prompt. Use the command nslookup (this stands for Name Server Lookup) followed by the domain name or IP address you want to trace. Press enter. This command will simply query the Name Service for information about the specified IP address or domain name.

How do I check my Cname record using nslookup?

How To Use NSLOOKUP to View Your DNS Records

  1. Launch Windows Command Prompt by navigating to Start > Command Prompt or via Run > CMD.
  2. Type NSLOOKUP and hit Enter.
  3. Set the DNS Record type you wish to lookup by typing set type=## where ## is the record type, then hit Enter.
  4. Now enter the domain name you wish to query then hit Enter..

Can you have multiple PTR records same IP address?

while most rDNS entries only have one PTR record, DNS does not restrict the number. However, having multiple PTR records for the same IP address is generally not recommended, unless there is a specific need.

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.

What is the difference between an A record and a PTR record?

The PTR record is a DNS server record entry that allows rDNS. The PTR record is the answer to a Reverse DNS (rDNS) query. In the familiar forward DNS query, the A record is the answer.

Do I need a PTR record for email?

There is no requirement that you have a valid PTR record, but you may be unable to successfully send email to certain sites if you do not. PTR records are most commonly used by spam filters to determine the suspiciousness of an email.

How do I create a reverse PTR record?

Create a PTR record within your reverse DNS domain.

  1. Step 1: Request Zone from ISP. First, you need to obtain the IP address of your mail server.
  2. Step 2: Request Reverse DNS Delegation.
  3. Step 3: Create Reverse DNS Domain.
  4. Step 4: Create PTR Record.

Do I need reverse DNS?

However reverse DNS is important for one particular application. Many e-mail servers on the Internet are configured to reject incoming e-mails from any IP address which does not have reverse DNS. So if you run your own e-mail server, reverse DNS must exist for the IP address that outgoing e-mail is sent from.

What is an A record?

An A record maps a domain name to the IP address (Version 4) of the computer hosting the domain. An A record is used to find the IP address of a computer connected to the internet from a name. The A in A record stands for Address.

What PTR means?

Guys, “PTR” means that the Patch not full implemented. PTR means “Public Test Realm”. 3.1 is being tested on a special server.

What is a PTR query?

This tool is useful to perform reverse dns lookup queries and get PTR records from IP addresses. In other words, this tool translates an IP address in an HostName. Practically the PTR record is part on the DNS system but is made with a special zone file with the classical format.