--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2016-12-06T00:00:00Z' dns-udp-queries-received-ipv4: 2214429878 dns-udp-queries-received-ipv6: 541206039 dns-tcp-queries-received-ipv4: 724509 dns-tcp-queries-received-ipv6: 4836924 dns-udp-responses-sent-ipv4: 2212414339 dns-udp-responses-sent-ipv6: 542233202 dns-tcp-responses-sent-ipv4: 488855 dns-tcp-responses-sent-ipv6: 4231287