--- version: rssac002v3 service: a.root-servers.net start-period: '2020-01-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6337471165 dns-udp-queries-received-ipv6: 998672547 dns-tcp-queries-received-ipv4: 255558698 dns-tcp-queries-received-ipv6: 111786933 dns-udp-responses-sent-ipv4: 6134132488 dns-udp-responses-sent-ipv6: 997791011 dns-tcp-responses-sent-ipv4: 251469553 dns-tcp-responses-sent-ipv6: 112040059