--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-05-12T00:00:00Z dns-udp-queries-received-ipv4: 4306005154 dns-udp-queries-received-ipv6: 413245617 dns-tcp-queries-received-ipv4: 128881041 dns-tcp-queries-received-ipv6: 70571969 dns-udp-responses-sent-ipv4: 4301479465 dns-udp-responses-sent-ipv6: 413204854 dns-tcp-responses-sent-ipv4: 131999223 dns-tcp-responses-sent-ipv6: 73068184