The Address (A) record associates a domain name or subdomain with an IP address, which is the primary purpose of the DNS system. The @ sign identifies "this domain;" for example, A @ nnn.nnn.nnn ...

Aging is a feature that allows identifying stale DNS records. It actually uses two intervals and a DNS record is considered as stale once both are elapsed. These intervals are: Non-Refresh ...

a DNS record is altered to prevent someone typing a domain name from being routed to the correct IP address. Spotted by TorrentFreak, AGCOM Commissioner Massimiliano Capitanio took to LinkedIn to ...

If it possesses the necessary record, it relays the IP address for the sought-after hostname back to the DNS recursor that initially requested it. It's like the store's own customer service desk.