--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-23T00:00:00Z' dns-udp-queries-received-ipv4: 3564333065 dns-udp-queries-received-ipv6: 791355391 dns-tcp-queries-received-ipv4: 147432499 dns-tcp-queries-received-ipv6: 61429161 dns-udp-responses-sent-ipv4: 3390746908 dns-udp-responses-sent-ipv6: 769800721 dns-tcp-responses-sent-ipv4: 132450504 dns-tcp-responses-sent-ipv6: 60648238