A comp
any 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?
Which of the following should the company use to fulfill the above requirements?
A. DNSSEC
B. SFTP
C. nslookup
D. dig
Explanation:
DNS Security Extensions (DNSSEC) provides, among other things, cryptographic authenticity of respo
nses using Resource Record Signatures (RRSIG) and authenticated denial of existence using Next-Secure (NSEC) and Hashed-NSEC records (NSEC3).