--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-10T00:00:00Z' dns-udp-queries-received-ipv4: 3860883912 dns-udp-queries-received-ipv6: 875204156 dns-tcp-queries-received-ipv4: 161240543 dns-tcp-queries-received-ipv6: 46621703 dns-udp-responses-sent-ipv4: 3608231959 dns-udp-responses-sent-ipv6: 836975624 dns-tcp-responses-sent-ipv4: 149307874 dns-tcp-responses-sent-ipv6: 41538972