--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5924570193 dns-udp-queries-received-ipv6: 1700817418 dns-tcp-queries-received-ipv4: 384520776 dns-tcp-queries-received-ipv6: 63766916 dns-udp-responses-sent-ipv4: 5634658394 dns-udp-responses-sent-ipv6: 1699254380 dns-tcp-responses-sent-ipv4: 314452296 dns-tcp-responses-sent-ipv6: 63771917