SERVIIOSERVICE.EXE contacting InfoByIp.com and other sites

What's the reason for the service contacting these sites?
ports.yougetsignal.com:443
infobyip.com:443
canyouseeme.org

ports.yougetsignal.com:443
infobyip.com:443
canyouseeme.org

DLNA media server
https://www.serviio.org/forum/
zip wrote:Yes, it's for checks if the remote ports are open. It also checks your public ip for the Alexa skill