--- version: rssac002v3 service: a.root-servers.net start-period: '2020-04-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8003491278 dns-udp-queries-received-ipv6: 1338604629 dns-tcp-queries-received-ipv4: 297208766 dns-tcp-queries-received-ipv6: 113276320 dns-udp-responses-sent-ipv4: 7761021636 dns-udp-responses-sent-ipv6: 1328984346 dns-tcp-responses-sent-ipv4: 292575194 dns-tcp-responses-sent-ipv6: 113320220