authentication and integrity
Click on the red underlined text to get to the source
...
The DNS security extensions provide origin authentication and
integrity protection for DNS data, as well as a means of public key
...
... DNS) security extensions provide origin
authentication and integrity assurance services for DNS data,
...
... security mechanism described in Section 3.1 only provides a way
to sign existing RRsets in a zone. The problem of providing negative
responses with the same level of authentication and integrity
requires the use of another new resource record type, the NSEC
record ...
