--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2016-12-09T00:00:00Z' dns-udp-queries-received-ipv4: 2133775590 dns-udp-queries-received-ipv6: 525386219 dns-tcp-queries-received-ipv4: 713411 dns-tcp-queries-received-ipv6: 4308776 dns-udp-responses-sent-ipv4: 2131407971 dns-udp-responses-sent-ipv6: 526219721 dns-tcp-responses-sent-ipv4: 431463 dns-tcp-responses-sent-ipv6: 3831555