What is my IP? DNS way...

What is my IP via custom DNS server:

dig @ip.socha.it tell-me-my-ip +short

Other use cases

dig @ip.socha.it ip +short
dig @ip.nauka.ga ip +short
dig @ip.automatus.cf ip +short

dig @ip.socha.it ip TXT +short 
dig @ip.socha.it ip TXT +short +tcp