Referenced Domain IPv4/IPv6 Web Statistics

Background and Methodology	IPv6 & DNSSEC SnapShots
USG IPv6 & DNSSEC Statistics	USG IPv4 Statistics
Industry IPv6 & DNSSEC Statistics	Industry IPv4 Statistics
University IPv6 & DNSSEC Statistics	University IPv4 Statistics
CFO Act Agency Summary Statistics	USG IPv6 Enabled WWW Sites

- Referenced Domain Web Statistics for 2026.07.21 -

gov.rrb. | Railroad Retirement Board	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
gov.data.catalog  (https)	0.062157	205686	25.31	0.271995	205686	5.79	23%	graph
gov.eftps.www  (https)  [v4R] 1/0.230024s  [v6R] 1/0.405308s	0.315680	24668	0.60	0.511382	24668	0.37	62%	graph
gov.osc  (https)	0.455706	125628	2.11	0.143699	125628	6.70	318%	graph
gov.pay.www  (https)  [v4R] 1/0.375018s  [v6R] 1/0.168654s	0.527703	49144	0.71	0.331837	49144	1.13	159%	graph
gov.rrb  (https)	0.152908	86028	4.32	0.013773	0	0	n/a	graph
gov.rrb.secure  (https)	0.079963	3490	0.34	0.003030	0	0	n/a	graph
• gov.rrb.www  (https)	0.336581	86028	1.95	0.004118	0	0	n/a	graph
net.jsdelivr.cdn  (https)  [v4R] 1/0.088230s  [v6R] 1/0.039338s	0.377147	48904	0.99	0.095832	48904	3.93	397%	graph
IPv6 operational: 0% of linked subdomains (0/3), 62% of all linked domains (5/8)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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