--- version: rssac002v3 service: a.root-servers.net start-period: '2021-03-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5468007702 dns-udp-queries-received-ipv6: 1039766923 dns-tcp-queries-received-ipv4: 288583330 dns-tcp-queries-received-ipv6: 91236683 dns-udp-responses-sent-ipv4: 5288529818 dns-udp-responses-sent-ipv6: 1038302420 dns-tcp-responses-sent-ipv4: 270912356 dns-tcp-responses-sent-ipv6: 91666888