NSEC lookup

Find all next secure records for a domain name with this online DNS NSEC checker. For example, try cnn.com or twitch.tv to view their NSEC records.

How to lookup NSEC records

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NSEC records can be configured by the owner of a domain name. They are used to store information in the DNS, which can be looked up by anyone. Each record type has a different purpose.

NSEC records are configured in DNS. But how can you look up these NSEC records? That depends on the operating system you are using. Windows, Linux and Mac all have a different way of finding NSEC records. The sections below contain instructions for each operating system.

Example output of a NSEC lookup query

How to lookup NSEC records on Windows

The NSEC record type cannot be looked up in Windows. Neither nslookup, nor Powershell's Resolve-DnsName has support for it. You can either install WSL and follow the Linux instructions below, or use an online NSEC lookup tool like the one on the top of this page.

How to lookup NSEC records on Mac OS

To check the NSEC records for a certain domain name on a Mac, follow these steps:

  1. Open a terminal by entering [command] + [space] → 'terminal.app' → [enter].Open a terminal on a Mac
  2. Type dig example.com NSEC and hit [enter] to get the NSEC records for example.com.NSEC lookup on a Mac
  3. The NSEC records are listed below the ANSWER SECTION heading.

How to lookup NSEC records on Linux

To check the NSEC records for a certain domain name on Linux, follow these steps:

  1. Open a terminal by entering [Super] → 'terminal' → [enter].Open a terminal in Linux
  2. Type dig example.com NSEC and hit [enter] to get the NSEC records for example.com.NSEC lookup in Linux
  3. The NSEC records are listed below the ANSWER SECTION heading.

How to find NSEC records

To check the NSEC records of a domain, follow these steps:

  1. Open the NSEC lookup tool.Open the NSEC lookup tool
  2. Enter the domain name and hit [enter].Example DNS NSEC records
  3. The tool will query the NSEC records and shown them at the top of the page.

How to lookup other record types

There are other types of DNS records then just NSEC. The most commonly used DNS record types are A, AAAA, CNAME, NS, TXT, MX and SOA. If you'd like to look up all records of these record types, you can do so with nslookup. Click any of the record types below to find DNS records for that specific record type.