wget -q -O - checkip.dyndns.org|sed -e 's/.*Current IP Address: //' -e 's/<.*$//'
 
wget -q -O - ip http://ip1.dynupdate.no-ip.com/; cat ip
Add comment

Note

Spam comments are purged and not published. Review is done manually and therefore it usually takes between some hours and one day until a comment will be published.