--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2016-09-19T00:00:00Z' dns-udp-queries-received-ipv4: 2031204366 dns-udp-queries-received-ipv6: 384491881 dns-tcp-queries-received-ipv4: 187738 dns-tcp-queries-received-ipv6: 691441 dns-udp-responses-sent-ipv4: 2011983623 dns-udp-responses-sent-ipv6: 384437153 dns-tcp-responses-sent-ipv4: 62493 dns-tcp-responses-sent-ipv6: 650656