--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-23T00:00:00Z' dns-udp-queries-received-ipv4: 3003877673 dns-udp-queries-received-ipv6: 597579153 dns-tcp-queries-received-ipv4: 67530532 dns-tcp-queries-received-ipv6: 17122338 dns-udp-responses-sent-ipv4: 2964425530 dns-udp-responses-sent-ipv6: 597181282 dns-tcp-responses-sent-ipv4: 46826956 dns-tcp-responses-sent-ipv6: 11910934