--- version: rssac002v4 service: a.root-servers.net start-period: '2022-05-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5118551751 dns-udp-queries-received-ipv6: 1723150684 dns-tcp-queries-received-ipv4: 317599117 dns-tcp-queries-received-ipv6: 95070931 dns-udp-responses-sent-ipv4: 4978689167 dns-udp-responses-sent-ipv6: 1726620071 dns-tcp-responses-sent-ipv4: 297988608 dns-tcp-responses-sent-ipv6: 94958843