--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-26T00:00:00Z' dns-udp-queries-received-ipv4: 3700683306 dns-udp-queries-received-ipv6: 774178879 dns-tcp-queries-received-ipv4: 163230646 dns-tcp-queries-received-ipv6: 65752494 dns-udp-responses-sent-ipv4: 3491657633 dns-udp-responses-sent-ipv6: 755516438 dns-tcp-responses-sent-ipv4: 147373531 dns-tcp-responses-sent-ipv6: 64531116