--- version: rssac002v4 service: a.root-servers.net start-period: '2024-05-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9335044068 dns-udp-queries-received-ipv6: 1550183391 dns-tcp-queries-received-ipv4: 331141619 dns-tcp-queries-received-ipv6: 37138921 dns-udp-responses-sent-ipv4: 9158756497 dns-udp-responses-sent-ipv6: 1546481494 dns-tcp-responses-sent-ipv4: 308170901 dns-tcp-responses-sent-ipv6: 37287984