--- version: rssac002v3 service: a.root-servers.net start-period: '2020-04-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8582474146 dns-udp-queries-received-ipv6: 1344788754 dns-tcp-queries-received-ipv4: 307763132 dns-tcp-queries-received-ipv6: 128619823 dns-udp-responses-sent-ipv4: 8334648821 dns-udp-responses-sent-ipv6: 1339145782 dns-tcp-responses-sent-ipv4: 303376112 dns-tcp-responses-sent-ipv6: 128914423