DKIM is an email authentication method that signs messages with a domain key so receivers can verify the sender domain and detect…
DMARC is an email authentication policy that aligns SPF and DKIM with the visible From domain and tells receivers how to handle…
DNS, the Domain Name System, is the distributed, hierarchical directory of the Internet that translates domain names into IP addresses and other…
DNS propagation is the delay before a changed DNS record is seen everywhere, as resolver caches expire according to TTL values and…
A DNS resolver is the client-side component of DNS that turns domain names into IP addresses by querying name servers and caching…
A DNS zone is a delegated part of the domain name space managed as one unit, with its own records, authoritative servers…
DNSSEC is a set of DNS security extensions that adds digital signatures to DNS records so resolvers can verify that answers are…
A domain name is a unique, human-readable identifier in the Internet's DNS hierarchy, registered for a fixed term and used to address…