This LTE DNS HOWTO assumes you have Googled the basic setup of your BIND service and master/slave deployment. We will only focus on the 3GPP aspect of the zone file and how you can use it with an ASR5000. The 3GPP specification 29.303 Annex A4.3(S10) Annex 4.11(S11 and S5), 23.003, RFC 2915, and RFC 3958(2.2.3)are the main references used in this HOWTO.