--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-05-06T00:00:00Z' dns-udp-queries-received-ipv4: 1497770563 dns-udp-queries-received-ipv6: 282161237 dns-tcp-queries-received-ipv4: 37512059 dns-tcp-queries-received-ipv6: 9144955 dns-udp-responses-sent-ipv4: 1495304222 dns-udp-responses-sent-ipv6: 282121814 dns-tcp-responses-sent-ipv4: 36697663 dns-tcp-responses-sent-ipv6: 8989066