This tutorial explains how to Multicast DNS using ESP8266? In networking world it is difficult to remember ip address of each website and computer, to solve this problem Domain Name System (DNS) is used to make human understandable names. In ESP8266 when using ESP as web server, It is difficult to remember ip address of ESP8266 and also it is difficult to identify ip address of ESP in DHCP mode. i.e. WiFi router assigns IP address to ESP8266. Most ESP8266 application doesn’t have display interface and they are not easy to access to know its IP address. To overcome this problem mDNS is used. Continue reading ESP8266 mDNS