--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-02T00:00:00Z' dns-udp-queries-received-ipv4: 3104210968 dns-udp-queries-received-ipv6: 683410705 dns-tcp-queries-received-ipv4: 69485995 dns-tcp-queries-received-ipv6: 17118843 dns-udp-responses-sent-ipv4: 3065550843 dns-udp-responses-sent-ipv6: 682840348 dns-tcp-responses-sent-ipv4: 44660490 dns-tcp-responses-sent-ipv6: 10965654