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 2026.07.01 -

gov.selectagents. | Department of Health and Human Services	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.responsibledisclosure.hhs  (https)  [v4R] 2/0.443517s	0.461448	5422	0.09	0.003029	0	0	n/a	graph
gov.cdc.www  (https)  [v4R] 1/0.056144s  [v6R] 1/0.046484s	0.094904	60929	4.95	0.290224	60929	1.60	32%	graph
gov.hhs.oig  (https)	2.220508	51161	0.18	0.004182	0	0	n/a	graph
gov.hhs.www  (https)	0.253478	365	0.01	1.093097	365	0.00	23%	graph
gov.nih.od.osp  (https)	0.533965	5464	0.08	0.292920	5489	0.14	183%	graph
gov.oversight.usdaoig  (https)  [v4R] 1/0.219552s  [v6R] 1/0.748062s	2.222846	72686	0.25	0.778413	0	0	n/a	graph
gov.selectagents.efsap  (https)	0.000	0	0	0.010535	0	0	n/a	graph
• gov.selectagents.www  (https)	0.206699	70763	2.62	1.218457	70763	0.44	17%	graph
IPv6 operational: 50% of linked subdomains (1/2), 50% of all linked domains (4/8)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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