--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7574970291 dns-udp-queries-received-ipv6: 1497024484 dns-tcp-queries-received-ipv4: 243813277 dns-tcp-queries-received-ipv6: 82668214 dns-udp-responses-sent-ipv4: 7360094748 dns-udp-responses-sent-ipv6: 1495282125 dns-tcp-responses-sent-ipv4: 228524182 dns-tcp-responses-sent-ipv6: 83072441