--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-08-29T00:00:00Z' dns-udp-queries-received-ipv4: 3169173970 dns-udp-queries-received-ipv6: 713965133 dns-tcp-queries-received-ipv4: 64246522 dns-tcp-queries-received-ipv6: 14422072 dns-udp-responses-sent-ipv4: 3070431376 dns-udp-responses-sent-ipv6: 714618030 dns-tcp-responses-sent-ipv4: 40662788 dns-tcp-responses-sent-ipv6: 9342227