Check and update your Dynamic DNS IP address.
$ python3.7 ./dynamicdnsquery.py -h usage: dynamicdnsquery.py [-h] fqdn nsserver
positional arguments: fqdn Enter Fully Qualified Domain Name. nsserver Enter a DNS server.
optional arguments: -h, --help show this help message and exit
#Example. $ python3.7 ./dynamicdnsquery.py your-DDNS-FQDN 8.8.8.8
#Check the log file for information/error message. $ more ddnsquery.log