--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-02-05T00:00:00Z' dns-udp-queries-received-ipv4: 2416528973 dns-udp-queries-received-ipv6: 526747089 dns-tcp-queries-received-ipv4: 47731269 dns-tcp-queries-received-ipv6: 13558941 dns-udp-responses-sent-ipv4: 2411373736 dns-udp-responses-sent-ipv6: 525990250 dns-tcp-responses-sent-ipv4: 44985999 dns-tcp-responses-sent-ipv6: 12947212