Domain Name Glossary Terms
NAK - No Acknowledgement
A none acknowledgement (disapproval) from an authorized point of contact/agent for a domain name record, contact record, or host record that a requested modification should not be completed. When a modification request is received from a source that is not an authorized contact, the request will be rejected and a message will be sent to the listed contacts asking them to ACK (Acknowledge) or NAK (disapprove) the modification.
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