--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5924560336 dns-udp-queries-received-ipv6: 1848287712 dns-tcp-queries-received-ipv4: 495009647 dns-tcp-queries-received-ipv6: 68088045 dns-udp-responses-sent-ipv4: 5543180372 dns-udp-responses-sent-ipv6: 1844206292 dns-tcp-responses-sent-ipv4: 422918523 dns-tcp-responses-sent-ipv6: 67594766