--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-05-22T00:00:00Z' dns-udp-queries-received-ipv4: 1773401125 dns-udp-queries-received-ipv6: 307364955 dns-tcp-queries-received-ipv4: 43014257 dns-tcp-queries-received-ipv6: 9760583 dns-udp-responses-sent-ipv4: 1771245641 dns-udp-responses-sent-ipv6: 307338660 dns-tcp-responses-sent-ipv4: 42031565 dns-tcp-responses-sent-ipv6: 9564947