--- version: rssac002v3 service: a.root-servers.net start-period: '2020-07-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7815129792 dns-udp-queries-received-ipv6: 1534306731 dns-tcp-queries-received-ipv4: 211402173 dns-tcp-queries-received-ipv6: 75637624 dns-udp-responses-sent-ipv4: 7593296310 dns-udp-responses-sent-ipv6: 1531871380 dns-tcp-responses-sent-ipv4: 198150299 dns-tcp-responses-sent-ipv6: 76208157