# 30134: Invalid Dns Setup for Link shortening

Log Type: APPLICATION

Log Level: ERROR

## Description

### Possible causes

Domain Dns setup is not completed

### Possible solutions

If you're using a root domain, point the A record of the domain to the following 3 IP addresses only. If other IPs are included, Link Shortening does not work.

* 3.233.187.46
* 3.233.108.250
* 54.157.2.211

If you're using a subdomain, point the CNAME record of the subdomain to the following:

* lsct.ashburn.us1.twilio.com