The wikipedia article List of weather records explicitly states
This list does not include remotely sensed observations such as satellite measurements, since those values are not considered official records.
Reference 1 in that article, a web archive link to a page on World Meteorological Organization Global Weather & Climate Extremes, adds that (...
Ultralow Surface Temperatures in East Antarctica
From Satellite Thermal Infrared Mapping:
The Coldest Places on Earth p. 6127 says:
Validation studies of MODIS c5 and c6 LST for nonpolar regions, while limited, suggest that the surface temperature data are generally within 1 °C of the in situ measured thermal emission temperature (Wan, 2014),