---
version: rssac002v4
service: a.root-servers.net
start-period: '2021-12-31T00:00:00Z'
metric: traffic-volume
dns-udp-queries-received-ipv4: 4954406351
dns-udp-queries-received-ipv6: 1207070719
dns-tcp-queries-received-ipv4: 312387045
dns-tcp-queries-received-ipv6: 75010541
dns-udp-responses-sent-ipv4: 4954933397
dns-udp-responses-sent-ipv6: 1241525570
dns-tcp-responses-sent-ipv4: 286178440
dns-tcp-responses-sent-ipv6: 74925525