--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-04-25T00:00:00Z' dns-udp-queries-received-ipv4: 1867095754 dns-udp-queries-received-ipv6: 366478276 dns-tcp-queries-received-ipv4: 3542752 dns-tcp-queries-received-ipv6: 5981860 dns-udp-responses-sent-ipv4: 1933130115 dns-udp-responses-sent-ipv6: 380778292 dns-tcp-responses-sent-ipv4: 4325970 dns-tcp-responses-sent-ipv6: 6605315