--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-04-29T00:00:00Z' dns-udp-queries-received-ipv4: 2718706402 dns-udp-queries-received-ipv6: 511104490 dns-tcp-queries-received-ipv4: 40651169 dns-tcp-queries-received-ipv6: 14767411 dns-udp-responses-sent-ipv4: 2676953129 dns-udp-responses-sent-ipv6: 509405722 dns-tcp-responses-sent-ipv4: 38450874 dns-tcp-responses-sent-ipv6: 14228857