--- version: rssac002v4 service: a.root-servers.net start-period: '2022-03-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4496649709 dns-udp-queries-received-ipv6: 1176505763 dns-tcp-queries-received-ipv4: 243622532 dns-tcp-queries-received-ipv6: 41093913 dns-udp-responses-sent-ipv4: 4537314262 dns-udp-responses-sent-ipv6: 1179149620 dns-tcp-responses-sent-ipv4: 241292446 dns-tcp-responses-sent-ipv6: 41183612