--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2020-01-15T00:00:00Z' dns-udp-queries-received-ipv4: 3567470813 dns-udp-queries-received-ipv6: 862999174 dns-tcp-queries-received-ipv4: 135668317 dns-tcp-queries-received-ipv6: 72095232 dns-udp-responses-sent-ipv4: 3359805095 dns-udp-responses-sent-ipv6: 836903946 dns-tcp-responses-sent-ipv4: 117438169 dns-tcp-responses-sent-ipv6: 70261900