--- version: rssac002v4 service: a.root-servers.net start-period: '2022-05-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5176795735 dns-udp-queries-received-ipv6: 1900841052 dns-tcp-queries-received-ipv4: 332063151 dns-tcp-queries-received-ipv6: 128890180 dns-udp-responses-sent-ipv4: 5045494470 dns-udp-responses-sent-ipv6: 1904804024 dns-tcp-responses-sent-ipv4: 310461886 dns-tcp-responses-sent-ipv6: 128765387