{"type":"rich","title":"How Many DNS Nameservers is enough?","version":"1.0","provider_name":"Blubrry","provider_url":"https://blubrry.com","author_name":"PING","html":"<iframe src=\"https://player.blubrry.com/?id=141791029\" title=\"Blubrry Podcast Player\" scrolling=\"no\" width=\"100%\" height=\"230\" frameborder=\"0\"></iframe>","height":"230","description":"Measuring counts of NS per domain and resolver NS selection behaviour at scale ","thumbnail_url":"https://assets.blubrry.com/coverart/160/1460040-586726.jpg"}