We’ve seen how to install no-ip. Fortunately, there’s not only this service but other services too. Just for reference, here are some (not only free): http://www.dyndns.org http://freedns.afraid.org http://www.zoneedit.com http://www.no-ip.com http://www.easydns.com http://www.tzo.com http://www.3322.org http://www.dnsomatic.com http://www.tunnelbroker.net http://dns.he.net/ http://www.dynsip.org http://www.sitelutions.com http://www.dnsexit.com http://www.changeip.com http://www.zerigo.com http://www.dhis.org https://nsupdate.info http://duckdns.org https://www.loopia.com https://www.namecheap.com https://domains.google.com https://www.ovh.com https://www.dtdns.com http://giradns.com Let’s see one of them https://freedns.afraid.org. …]