--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-04-04T00:00:00Z' dns-udp-queries-received-ipv4: 1548404484 dns-udp-queries-received-ipv6: 315490633 dns-tcp-queries-received-ipv4: 37567388 dns-tcp-queries-received-ipv6: 8812181 dns-udp-responses-sent-ipv4: 1546135558 dns-udp-responses-sent-ipv6: 315486957 dns-tcp-responses-sent-ipv4: 36629199 dns-tcp-responses-sent-ipv6: 8605556