<https://secure.gravatar.com/avatar/879dab4eefd0bbf3899d797cecce5d3a?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.hostafrica.ke/blog/domains/dns/what-is-dns-propagation/>