Direct quote from Wikipedia... "coop, the top level domain used only for cooperatives on the Internet"
Mexico uses the top-level domain .mx
.is is the top-level domain for Iceland.
Yes, email addresses can end with .coop, which is a sponsored top-level domain. It’s exclusively for cooperative organizations worldwide. Using a .coop email builds trust and shows commitment to cooperative values. Only verified co-ops can register, ensuring authenticity. Get your official cooperative email now at Bharat .coop – Empowering Indian cooperatives online!
Its TLD - Top Level Domain.
Slovakia uses .sk as an Internet top-level domain.
Khartoum is the capital of Sudan, which uses .sd as its Internet top-level domain.
Guinea uses .gn for an Internet top-level domain.
'hr' is the top level country domain code for Croatia.
.nl is the top level domain for Netherlands.
The three parts of a domain name are the host record (www, @(none) or *(other)), the SLD (second level domain) and the TLD (top level domain) or ccTLD (country code top level domain). For example wiki.answers.com:wiki = host nameanswers = SLD (second level domain).com = TLD (top level domain)
The United-States of America TLD (Top Level Domain) is .us