Hello,
DDNS is supported in the Advanced Services and Advanced Security feature sets (when you issue the exec command 'show version', you should see 'c800-universalk9-mz.SPA' in the output.
Check the link below for configuration options:
Dynamic DNS Support for Cisco IOS Software
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipaddr_dns/configuration/15-mt/dns-15-mt-book/dns-dyn-dns-supp-ios.html