config ddns 'global'
    option ddns_dateformat '%F %R'
    option ddns_loglines '250'
    option upd_privateip '0'

config service 'no-ip.com'
    option enabled '1'
    option interface 'wan'
    option ip_source 'web'
    option ip_url 'http://ipecho.net/plain'
    option service_name 'no-ip.com'
    option domain '1.domena.com'
    option username 'user'
    option password 'pass'
    option force_interval '72'
    option force_unit 'hours'
    option check_interval '10'
    option check_unit 'minutes'
    option lookup_host '1.domena.com'

config service 'myddns_ipv4'
    option enabled '1'
    option service_name 'changeip.com'
    option domain 'domena.changeip.com'
    option username 'user'
    option password 'pass'
    option interface 'wan'
    option ip_source 'web'
    option ip_url 'http://ipecho.net/plain'
    option force_interval '72'
    option force_unit 'hours'
    option check_interval '5'
    option check_unit 'minutes'
    option lookup_host 'domena.changeip.com'

config service 'no-ip2.com'
    option enabled '1'
    option interface 'wan'
    option ip_source 'web'
    option ip_url 'http://ipecho.net/plain'
    option service_name 'no-ip.com'
    option domain '2.domena.com'
    option username user'
    option password 'pass'
    option force_interval '72'
    option force_unit 'hours'
    option check_interval '10'
    option check_unit 'minutes'
    option lookup_host '2.domena.com'

 212541       : ************ ************** ************** **************
 212541  note : PID '17450' started at 2020-10-07 21:25
 212541       : ddns version  : 2.7.8-13
 212542       : uci configuration:
 212542       : verbose mode  : 0 - run normal, NO console output
 212542       : check interval: 600 seconds
 212542       : force interval: 259200 seconds
 212542       : retry interval: 60 seconds
 212542       : retry counter : 0 times
 212542       : No old process
 212542       : last update: 2020-10-07 13:26
 212542       : Detect registered/public IP
 212543       : #> /usr/bin/nslookup 2.domena.com  >/var/run/ddns/myddns_ipv4.dat 2>/var/run/ddns/myddns_ipv4.err
 212543       : Registered IP 'stare ip' detected
 212543  info : Starting main loop at 2020-10-07 21:25
 212543       : Detect local IP on 'web'
 212543       : #> /usr/bin/wget-ssl --hsts-file=/tmp/.wget-hsts -nv -t 1 -O /var/run/ddns/myddns_ipv4.dat -o /var/run/ddns/myddns_ipv4.err --no-proxy 'http://ipecho.net/plain'
 212543       : Local IP 'nowe ip' detected on web at 'http://ipecho.net/plain'
 212544       : Update needed - L: 'nowe ip' <> R: 'stare ip'
 212544       : parsing script '/usr/lib/ddns/update_no-ip_com.sh'
 212544       : sending dummy IP to 'no-ip.com'
 212544       : #> /usr/bin/wget-ssl --hsts-file=/tmp/.wget-hsts -nv -t 1 -O /var/run/ddns/myddns_ipv4.dat -o /var/run/ddns/myddns_ipv4.err --no-proxy 'http://user:***PW***@dynupdate.no-ip.com/nic/update?hostname=1.domena.com&myip=127.0.0.1'
 212545       : 'no-ip.com' answered:
good 127.0.0.1
 212546       : sending real IP to 'no-ip.com'
 212546       : #> /usr/bin/wget-ssl --hsts-file=/tmp/.wget-hsts -nv -t 1 -O /var/run/ddns/myddns_ipv4.dat -o /var/run/ddns/myddns_ipv4.err --no-proxy 'http://user:***PW***@dynupdate.no-ip.com/nic/update?hostname=2.domena.com&myip=nowe ip'
 212547       : 'no-ip.com' answered:
good nowe ip
 212547  info : Update successful - IP 'nowe ip' send
 212547  info : Forced update successful - IP: 'nowe ip' send
 212547       : Waiting 600 seconds (Check Interval)

root@OpenWrt:~# ls -l /tmp/log/ddns
-rw-r--r--    1 root     root          4005 Oct  7 21:25 myddns_ipv4.log