Tell me what the problem is
IP is not updated on my router with Openwrt tell me what the problem is
this is logs:
102249 : ************ ************** ************** **************
102249 note : PID '15031' started at 2020-06-13 10:22
102249 : ddns version : 2.7.8-13
102249 : uci configuration:
ddns.myddns_ipv4.check_interval='5'
ddns.myddns_ipv4.domain='utzu.dynu.com'
ddns.myddns_ipv4.enabled='1'
ddns.myddns_ipv4.interface='lan'
ddns.myddns_ipv4.ip_source='web'
ddns.myddns_ipv4.lookup_host='utzu.dynu.com'
ddns.myddns_ipv4.password='***PW***'
ddns.myddns_ipv4.service_name='dyn.com'
ddns.myddns_ipv4.username='utzu'
ddns.myddns_ipv4=service
102249 : verbose mode : 0 - run normal, NO console output
102250 : check interval: 300 seconds
102250 : force interval: 259200 seconds
102250 : retry interval: 60 seconds
102250 : retry counter : 0 times
102250 : No old process
102250 : last update: never
102250 : Detect registered/public IP
102250 : #> /usr/bin/nslookup utzu.dynu.com >/var/run/ddns/myddns_ipv4.dat 2>/var/run/ddns/myddns_ipv4.err
102250 : Registered IP '5.251.163.3' detected
102250 info : Starting main loop at 2020-06-13 10:22
102251 : Detect local IP on 'web'
102251 : #> /bin/uclient-fetch -q -O /var/run/ddns/myddns_ipv4.dat -Y off 'http://checkip.dyndns.com' 2>/var/run/ddns/myddns_ipv4.err
102251 : Local IP '2.133.186.127' detected on web at 'http://checkip.dyndns.com'
102251 : Update needed - L: '2.133.186.127' <> R: '5.251.163.3'
102252 : #> /bin/uclient-fetch -q -O /var/run/ddns/myddns_ipv4.dat -Y off 'http://utzu:***PW***@members.dyndns.org/v3/update?hostname=utzu.dynu.com&myip=2.133.186.127' 2>/var/run/ddns/myddns_ipv4.err
102254 ERROR : uclient-fetch Error: '4'
102254 :
102254 WARN : Transfer failed - retry 1/0 in 60 seconds

Refer to the tutorial on using dynu DDNS with Open-WRT.