--- version: rssac002v3 service: a.root-servers.net start-period: '2019-09-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6323838966 dns-udp-queries-received-ipv6: 1210471388 dns-tcp-queries-received-ipv4: 194099675 dns-tcp-queries-received-ipv6: 36229689 dns-udp-responses-sent-ipv4: 6169766916 dns-udp-responses-sent-ipv6: 1209837284 dns-tcp-responses-sent-ipv4: 190171806 dns-tcp-responses-sent-ipv6: 37088585