--- version: rssac002v4 service: a.root-servers.net start-period: '2023-05-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7037139539 dns-udp-queries-received-ipv6: 2418174448 dns-tcp-queries-received-ipv4: 431638822 dns-tcp-queries-received-ipv6: 216395453 dns-udp-responses-sent-ipv4: 6439716250 dns-udp-responses-sent-ipv6: 1961023764 dns-tcp-responses-sent-ipv4: 373398518 dns-tcp-responses-sent-ipv6: 168779599