NNNN.com
A domain consisting of exactly four numeric digits followed by .com. With only 10,000 possible combinations, NNNN.com domains are collectible and can be valuable, especially memorable patterns.
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IPSec
IPSec, short for Internet Protocol Security, is a suite of protocols used to secure internet protocol (IP) communications by encrypting and authenticating all IP packets of a communication session....
Thin WHOIS
A WHOIS system that provides only basic registrar information, requiring additional queries for full contact details.
Punycode
ASCII representation of Unicode domain names
Reserve Price
The minimum price a seller will accept at auction; if bidding doesn't reach the reserve, the domain isn't sold.
SERP
Search Engine Results Page
PMD (Partial Match Domain)
A domain containing keywords related to a search query but not matching exactly, such as BestCheapFlights.com.