Active Directory relies heavily on DNS. Source: Internet
An individual DNS query may be either non-recursive, recursive, or iterative, or a combination of these. Source: Internet
As a noteworthy consequence of this distributed and caching architecture, changes to DNS records do not propagate throughout the network immediately, but require all caches to expire and refresh after the TTL. Source: Internet
Although not intended to be a general purpose database, DNS can store records for other types of data for either automatic lookups, such as DNSSEC records, or for human queries such as responsible person (RP) records. Source: Internet
Another way of locating LDAP servers for an organization is a DNS server record (SRV). Source: Internet
Anycast methods are useful for global load balancing and are commonly used in distributed DNS systems. Source: Internet