From apnsGuide

Contents 1 Uses 2 Overview 3 Troubleshooting 3.1 ";" is represented as "\;"

Uses

• Add/remove DNS records for your domain (TXT, A, AAAA, CNAME, MX, DNAME, NS, SRV)

Overview

Troubleshooting

";" is represented as "\;"

All parameters with ; are represented as \; as a result of how dig formats its results. This is intentional and DNS records are still internally stored as ;.