--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-01-01T00:00:00Z' dns-udp-queries-received-ipv4: 1372086445 dns-udp-queries-received-ipv6: 281539844 dns-tcp-queries-received-ipv4: 43711174 dns-tcp-queries-received-ipv6: 8649905 dns-udp-responses-sent-ipv4: 1371599142 dns-udp-responses-sent-ipv6: 281520201 dns-tcp-responses-sent-ipv4: 52635256 dns-tcp-responses-sent-ipv6: 8242979