--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-01-26T00:00:00Z' dns-udp-queries-received-ipv4: 2249729088 dns-udp-queries-received-ipv6: 527578366 dns-tcp-queries-received-ipv4: 47880725 dns-tcp-queries-received-ipv6: 15067446 dns-udp-responses-sent-ipv4: 2245994362 dns-udp-responses-sent-ipv6: 527117265 dns-tcp-responses-sent-ipv4: 45471216 dns-tcp-responses-sent-ipv6: 14436359