--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6951591894 dns-udp-queries-received-ipv6: 1563976549 dns-tcp-queries-received-ipv4: 305951390 dns-tcp-queries-received-ipv6: 117095391 dns-udp-responses-sent-ipv4: 6764984400 dns-udp-responses-sent-ipv6: 1555015337 dns-tcp-responses-sent-ipv4: 294632568 dns-tcp-responses-sent-ipv6: 114747600