Wiki source code of How to use Domain Name instead of IP address in Server Address
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| author | version | line-number | content |
|---|---|---|---|
| 1 | **Note when using MQTT:** | ||
| 2 | |||
| 3 | 1）AT+CLIENT cannot be set to NULL | ||
| 4 | |||
| 5 | 2) AT+SERVADDR length should not exceed 21 bytes | ||
| 6 | |||
| 7 | 3) It is not recommended to use a domain name, as it will take a long time for the MQTT service to resolve the domain name for the first time and increase power consumption. It is recommended to use IP instead of domain name. | ||
| 8 | |||
| 9 | If you don’t know the domain name IP, you can enter the command AT+QNDS to resolve the domain name when it is not working (this process may take a long time) | ||
| 10 | |||
| 11 | [[image:https://wiki.dragino.com/images/thumb/6/6e/MQTT_BROKER.png/600px-MQTT_BROKER.png||height="159" width="600"]] | ||
| 12 | |||
| 13 | Example |