--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-04T00:00:00Z' dns-udp-queries-received-ipv4: 2920198530 dns-udp-queries-received-ipv6: 523769202 dns-tcp-queries-received-ipv4: 88852193 dns-tcp-queries-received-ipv6: 34827502 dns-udp-responses-sent-ipv4: 2861401212 dns-udp-responses-sent-ipv6: 509364058 dns-tcp-responses-sent-ipv4: 50467071 dns-tcp-responses-sent-ipv6: 21538065