--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-11T00:00:00Z' dns-udp-queries-received-ipv4: 3736705492 dns-udp-queries-received-ipv6: 825871685 dns-tcp-queries-received-ipv4: 155103371 dns-tcp-queries-received-ipv6: 45881837 dns-udp-responses-sent-ipv4: 3509002492 dns-udp-responses-sent-ipv6: 799550161 dns-tcp-responses-sent-ipv4: 144223770 dns-tcp-responses-sent-ipv6: 41003923