--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-07-23T00:00:00Z' dns-udp-queries-received-ipv4: 1813252972 dns-udp-queries-received-ipv6: 310659319 dns-tcp-queries-received-ipv4: 49657949 dns-tcp-queries-received-ipv6: 11342122 dns-udp-responses-sent-ipv4: 1811884105 dns-udp-responses-sent-ipv6: 310618282 dns-tcp-responses-sent-ipv4: 48481333 dns-tcp-responses-sent-ipv6: 11080264