--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5947204577 dns-udp-queries-received-ipv6: 2001277445 dns-tcp-queries-received-ipv4: 403350232 dns-tcp-queries-received-ipv6: 85907498 dns-udp-responses-sent-ipv4: 5586207431 dns-udp-responses-sent-ipv6: 1996106179 dns-tcp-responses-sent-ipv4: 329269779 dns-tcp-responses-sent-ipv6: 84832939