What should a PTR record look like?
While DNS A records are stored under the given domain name, DNS PTR records are stored under the IP address — reversed, and with “. in-addr.arpa” added. For example, the PTR record for the IP address 192.0. 2.255 would be stored under “255.2.0.192.in-addr.arpa”.
Where is PTR record stored?
PTR records are not stored within your domain zonefile, they are stored in a zonefile usually managed by your service provider or network provider. Some service providers provide an interface where you can create the PTR record yourself, others require you to submit a support request to create or change the PTR record.
What is the purpose of a pointer PTR DNS record?
A PTR (or Pointer) record is a security tool. Essentially, when you receive an email, your mail server uses the PTR record that comes in with the email message to check that the mail server sending the email matches the IP address that it claims to be using. This is also known as “reverse DNS lookup”.
How do I get a PTR record?
To create a PTR Record, complete the following:
- From the Cloud Services Portal, click Manage -> DNS -> Zones.
- Click the DNS view.
- Click the zone.
- Click Create -> Record and select PTR Record from the drop-down list.
- On the Create PTR Record page, select or specify the following:
- Click Save & Close to save.
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.
Which type of zone do you find a PTR record in?
While in the domain DNS zone the hostname is pointed to an IP address, using the reverse zone allows to point an IP address to a hostname. In the Reverse DNS zone, you need to use a PTR Record. The PTR Record resolves the IP address to a domain/hostname.
What is PTR lookup?
PTR records (or Pointer 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.
What is the difference between an A record and a PTR record?
A pointer (PTR) record is a type of Domain Name System (DNS) record that resolves an IP address to a domain or host name, unlike an A record which points a domain name to an IP address.
How do I find my reverse DNS records?
How to Setup Reverse DNS
- Contact your IP provider to request your IP’s reverse DNS zone.
- Then request delegation of your reverse DNS to DNS Made Easy name servers where you are provided with your reverse DNS domain.
- Create your reverse DNS domain in DNS Made Easy.
- Create a PTR record within your reverse DNS domain.
How do I find my old DNS records?
Below are a few websites that will show you your DNS history for free and a premium alternative if you need to dig even deeper….
- SecurityTrails (free)
- Spyse (free)
- Complete DNS (free)
- WhoISrequest.com (free)
- DNS History (free)
- Domain Tools (premium)
- Whoxy.com (free)
How can I Check my PTR record online?
You can also check online at www.intodns.com and input your domain… It will error on the results checking for a reverse zone lookup. When using dig, nslookup, or host it is frequently useful to use a DNS server outside of your control like Google (220.127.116.11) so you get confirmation things are right from a 3rd party.
How to check a PTR record in reverse DNS?
PTR Record Lookup whatsmydns.net PTR Record Lookup tool lets you query DNS servers and get instant results. Reverse DNS or PTR record lookups are used to determine the PTR records associated with a domain. Looking for easier to understand results?
What does a PTR record on an IP address mean?
Unfortunately, if the lookup shows that you haven’t set a PTR record for your IP address, contact your hosting provider or ISP and request to create one. As we’ve discussed, a PTR record is the reverse version of your domain’s IP address. It confirms that your IP address connects to a hostname.
How to check PTR record in Linux terminal?
Most of Linux distributions allow to open terminal by pressing Ctrl+Alt+T keys at the same time. Use the following command to check the record (remember to change IP_ADDRESS to real IP):dig -x IP_ADDRESS. For example, checking PTR record of 54.243.154.xx IP address would print similar results: