Network tools reverse dns lookup

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Ar 15 Holosun. People Also Search. Most people are aware of the forward lookup, also known as an A record , that finds an IP address from a host name so an Internet service is able to be accessed. When an attacker or penetration tester assesses an organization, they will commonly attempt to map the footprint of the organization to find all the weak points to attack.

By gathering a list of possible host names, IP addresses, and IP network blocks that are related to the targeted organization, an attack surface can be developed. Perform a query using either a single IP 8. You are also able to search for hostnames such as example. With a membership get up to half a million results from a single query.

A gold mine of data for security analysts, network defenders and other cyber security professionals. Simply enter an organisations domain name example. Let's see how it looks if we use the previous Yahoo IP:. Another tool we can use for this is Dig. Start by opening your Terminal and follow our example, we will use the same IP to check if it returns the same rDNS as the "host" tool:.

To perform a reverse DNS lookup query on Windows, we are going to use a tool called nslookup. To do this, open the Windows Menu and type cmd in the search box, this should return the cmd. In our example below, we are doing this with the previous IP:. In the following example, we can see the authoritative servers of IP If you have a website or have purchased a hosting server and want to configure a PTR record, first perform a query like the previous one for your IP.

It will point back at your hosting provider, so in that case, you will have to talk to them to set up the PTR record for you. But if the IP actually belongs to you, meaning that you are the authoritative server, then the steps are a bit more tricky than simply getting in touch with someone else.

To make things clear, let's use IP On the DNS editor of the authoritative server, create a reverse zone, but be careful because the hostname requires and specific format. First, take out the final octet of IP So we have " Then we need to add ".