Make rancher-poc a CNAME instead of an A record
Make rancher-poc a CNAME instead of an A record

This should stop pergamon DNS records flip-flopping

SoftwareHeritage/puppet-swh-site,SoftwareHeritage/puppet-swh-site,SoftwareHeritage/puppet-swh-site,SoftwareHeritage/puppet-swh-site,SoftwareHeritage/puppet-swh-site