--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-06-20T00:00:00Z' dns-udp-queries-received-ipv4: 1834784573 dns-udp-queries-received-ipv6: 303040682 dns-tcp-queries-received-ipv4: 48596110 dns-tcp-queries-received-ipv6: 11452110 dns-udp-responses-sent-ipv4: 1833060711 dns-udp-responses-sent-ipv6: 302983917 dns-tcp-responses-sent-ipv4: 46273031 dns-tcp-responses-sent-ipv6: 11083573