Which of the following should the company use to fulfill the above requirements?

Last Updated on August 14, 2021 by Admin 3

A company wants to host a publicly available server that performs the following functions:

- Evaluates MX record lookup
- Can perform authenticated requests for A and AAA records 
- Uses RRSIG

Which of the following should the company use to fulfill the above requirements?

  • DNSSEC
  • SFTP
  • nslookup
  • dig
  • LDAPS
Explanation:

DNS Security Extensions (DNSSEC) provides, among other things, cryptographic authenticity of responses using Resource Record Signatures (RRSIG) and authenticated denial of existence using Next-Secure (NSEC) and Hashed-NSEC records (NSEC3).

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