--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-13T00:00:00Z' dns-udp-queries-received-ipv4: 2807573609 dns-udp-queries-received-ipv6: 558950716 dns-tcp-queries-received-ipv4: 65070565 dns-tcp-queries-received-ipv6: 16056336 dns-udp-responses-sent-ipv4: 2763376134 dns-udp-responses-sent-ipv6: 558158681 dns-tcp-responses-sent-ipv4: 38887739 dns-tcp-responses-sent-ipv6: 9952237