--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-05-14T00:00:00Z' dns-udp-queries-received-ipv4: 2785758816 dns-udp-queries-received-ipv6: 534365626 dns-tcp-queries-received-ipv4: 59752415 dns-tcp-queries-received-ipv6: 16809020 dns-udp-responses-sent-ipv4: 2764315481 dns-udp-responses-sent-ipv6: 533931111 dns-tcp-responses-sent-ipv4: 58253245 dns-tcp-responses-sent-ipv6: 16603514