.post domain is the sponsored top-level domain (STLD) available exclusively for the postal sector. It is a secure and trusted electronic infrastructure on the Internet for serving the needs of developing electronic postal services in global postal community. .post is the first STLD which security is protected by Domain Name System Security Extensions (DNSSEC) technology. With a .post domain, public will be able to identify legitimate postal services immediately, increasing the confidence in the security and trustworthiness of such services.

.post aims the strategic development of the postal network integration, in its triple dimension: physical, financial, and electronic, enabling and facilitating e-post, e-finance, e-commerce and e-government services. Services developed in this platform will be equipped with interoperability and will comply with UPU standards, supporting postal entities to develop new income and markets.

Universal Postal Union became the first United Nations organization to obtain a sponsored top-level domain, and Macao Post is the first Post Entity to use .post domain in Asia.