dig linux package


## Domain Information Groper - Nameserver Tool
### install
```typesudo yum install bind-utils```


### Check External IP
```typedig +short myip.opendns.com @resolver1.opendns.comdig TXT +short o-o.myaddr.l.google.com @ns1.google.com```
> [How To Find My Public IP Address From Command Line On a Linux - nixCraft](https://www.cyberciti.biz/faq/how-to-find-my-public-ip-address-from-command-line-on-a-linux/)

> [dig 명령어 - DNS네임서버의 정보 확인](https://server-talk.tistory.com/126)






