I was watching Julia Evan's talk on DNS at RubyConf during an early dinner when I came across something interesting. I thought I would share it here. Before watching the talk, I knew what TXT records were and had even used them to verify domains for some services. However, I never knew they were public and visible for everyone. I genuinely thought they were solely used for verification purposes by
![Finding the services companies use via their TXT records / Abenezer Belachew](https://cdn-ak-scissors.b.st-hatena.com/image/square/e03243d860f80c509bd1197c09f1f32a242ad1d5/height=288;version=1;width=512/https%3A%2F%2Fabenezerbelachew.com%2Fstatic%2Fimages%2Fproducts-txt-records%2Ftxt-records-drawing.png)