Venezuela currently has no main national/federal website due to its multi-year “political crisis,” which is defined by the existence of two claimants to the presidency: Nicolás Maduro and Juan Guaidó. Maduro’s contested presidential rule rests on two fraudulent elections: April 14, 2013 when he succeeded President Hugo Chávez (1994-2013) and May 20, 2018, when he was “re-elected” on May 20, 2018.
Eight months later, a previously unknown politician, Juan Guaidó, was elected head of Venezuela’s National Assembly (Asamblea Nacional) as part of a power-sharing agreement between the main opposition parties, and on January 23, 2019 he swore himself in as president. Consequently, Guaidó was recognized by the Assembly’s Fourth legislature and the Supreme Court in Exile (Tribunal Supremo de Justicia en el exilio), while Maduro retained the support of the established Supreme Court (Tribunal Supremo de Justicia) and Military (Fuerza Armada Nacional Bolivariana, also known as the Ministerio del Poder Popular para la Defensa.
The Trump administration immediately recognized Guaidó as the legitimate president, followed by Canada most other Latin American countries. To date, the only countries who continue to support Maduro are Cuba, Nicaragua, and Suriname; Russia, China, and North Korea; and Cambodia, Turkey, and Iran, as illustrated on the linked Infographic.
Maduro also acquired support of the National Assembly's Fifth Legislature. It is notable that Guaidó’s website is a .com, whereas the website of Maduro’s Vice President Delcy Rodriguez (which exists in the absence of one belonging to Maduro) is a .gob.
For an excellent overview of this situation, see the BBC’s “Venezuela Crisis in 300 Words.”
Despite the absence of a main website or an official presidential website, websites do exist for key ministries, including the