$ORIGIN mnc001.mcc001.3gppnetwork.org.
$TTL 1W
@                       1D IN SOA       localhost. root.localhost. (
                                        1		; serial
                                        3H              ; refresh
                                        15M             ; retry
                                        1W              ; expiry
                                        1D )            ; minimum

                        1D IN NS        ns
ns                      1D IN A         127.0.0.1

pcscf                   1D IN A         127.0.0.1
_sip._udp.pcscf         1D SRV 0 0 5060 pcscf
_sip._tcp.pcscf         1D SRV 0 0 5060 pcscf

icscf                   1D IN A         127.0.0.1
_sip._udp               1D SRV 0 0 4060 icscf
_sip._tcp               1D SRV 0 0 4060 icscf
_sip._udp.ims           1D SRV 0 0 4060 icscf
_sip._tcp.ims           1D SRV 0 0 4060 icscf

scscf                   1D IN A         127.0.0.1
_sip._udp.scscf         1D SRV 0 0 6060 scscf
_sip._tcp.scscf         1D SRV 0 0 6060 scscf

hss                     1D IN A         127.0.0.1

