--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-28T00:00:00Z' dns-udp-queries-received-ipv4: 3554316461 dns-udp-queries-received-ipv6: 742958990 dns-tcp-queries-received-ipv4: 161697832 dns-tcp-queries-received-ipv6: 62295943 dns-udp-responses-sent-ipv4: 3322577298 dns-udp-responses-sent-ipv6: 724297917 dns-tcp-responses-sent-ipv4: 143820804 dns-tcp-responses-sent-ipv6: 60729891