--- version: rssac002v3 service: a.root-servers.net start-period: '2020-02-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7317620202 dns-udp-queries-received-ipv6: 1003517779 dns-tcp-queries-received-ipv4: 260693066 dns-tcp-queries-received-ipv6: 74927499 dns-udp-responses-sent-ipv4: 7131927254 dns-udp-responses-sent-ipv6: 1002800908 dns-tcp-responses-sent-ipv4: 245990207 dns-tcp-responses-sent-ipv6: 75052432