---
version: rssac002v4
service: b.root-servers.net
start-period: 2021-04-20T00:00:00Z
metric: traffic-volume
dns-udp-queries-received-ipv4: 4862625582
dns-udp-queries-received-ipv6: 843133944
dns-tcp-queries-received-ipv4: 311793472
dns-tcp-queries-received-ipv6: 96527198
dns-udp-responses-sent-ipv4: 4818388359
dns-udp-responses-sent-ipv6: 842860834
dns-tcp-responses-sent-ipv4: 299925167
dns-tcp-responses-sent-ipv6: 96507945
