LE910Cx AT Commands Reference Guide
80502ST10950A Rev. 14 Page 1279 of 1904 2022-03-04
the command has to activate the GPRS context if it not previously
activated. In this case, the context deactivated after the DNS query.
<userIpType> is only usable when AT+CGDCONT is ipv4v6.
In case of Verizon, This command is valid only for Context 3.
This command requires that the authentication parameters are
correctly set and that the GPRS network is present.
When <userSockType> is "no ip type chosen" ipv6 will be requested
firstly. When ipv6 DNS server doesn't support so ipv4 will be
requested.
AT#QDNS=?
#QDNS: <host name>,<userIpType>