--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-05-28T00:00:00Z' dns-udp-queries-received-ipv4: 1768395401 dns-udp-queries-received-ipv6: 302245274 dns-tcp-queries-received-ipv4: 41117364 dns-tcp-queries-received-ipv6: 9352167 dns-udp-responses-sent-ipv4: 1766204259 dns-udp-responses-sent-ipv6: 302230772 dns-tcp-responses-sent-ipv4: 40309320 dns-tcp-responses-sent-ipv6: 9148674