--- version: rssac002v4 service: a.root-servers.net start-period: '2021-10-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4545031523 dns-udp-queries-received-ipv6: 1083735525 dns-tcp-queries-received-ipv4: 279312812 dns-tcp-queries-received-ipv6: 68897839 dns-udp-responses-sent-ipv4: 4413039896 dns-udp-responses-sent-ipv6: 1082082128 dns-tcp-responses-sent-ipv4: 275820089 dns-tcp-responses-sent-ipv6: 69583095