IPv6 | OpenDNS and dns - ip ipdater?

hello,

i  want to know if i set in my router the both DNS 208.67. 222.222 and 208.67. 220.220

and  these  2620:119:35::35. 2620:119:53::53. in iPv6 DNS and my IP in dynamic, so, even these settings i will need the ip updater?

if i have dynamic IP, are is there any option to work with OPENDNS  without install the ip updater?

many thnaks.