Browse More Terms
DomainTools
A leading provider of domain name research and monitoring services including WHOIS history and reverse lookups.
TLS
TLS is a cryptographic protocol designed to provide secure communications over a computer network. It's the successor to Secure Sockets Layer (SSL). When a domain uses TLS, it means that data se...
Locking
A security feature that prevents unauthorized changes or transfers of a domain name.
IP Address
IP address (Internet Protocol address) is a fundamental concept that you need to understand, even though it's not directly related to the business of buying and selling domain names. An IP addre...
NNNN.com
A domain consisting of exactly four numeric digits followed by .com, with only 10,000 possible combinations.
Drop
"Drop" refers to the process when a domain name registration expires and is not renewed by the original owner, thus becoming available for registration by others. Here's a breakdown of the pro...




