--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-10T00:00:00Z dns-udp-queries-received-ipv4: 3126019360 dns-udp-queries-received-ipv6: 652773931 dns-tcp-queries-received-ipv4: 60697767 dns-tcp-queries-received-ipv6: 26361931 dns-udp-responses-sent-ipv4: 3123084656 dns-udp-responses-sent-ipv6: 652680959 dns-tcp-responses-sent-ipv4: 62164805 dns-tcp-responses-sent-ipv6: 27172334