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 2026.01.26 -

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] 2/0.218869s	0.241270	6722	0.21	0.057261	0	0	n/a	graph
gov.cdc.www  (https)	0.051608	60625	9.07	0.063708	60625	7.34	81%	graph
gov.cdc.wwwn  (https)	0.162945	0	0	0.058694	0	0	n/a	graph
gov.hhs.oig  (https)	0.051893	41538	6.21	0.004123	0	0	n/a	graph
gov.hhs.www  (https)	0.053169	365	0.05	0.038907	365	0.07	139%	graph
gov.nih.od.osp  (https)	0.464704	56259	0.93	0.466319	56259	0.92	100%	graph
gov.oversight.usdaoig  (https)	0.383724	66553	1.33	0.370713	66553	1.37	104%	graph
gov.selectagents.efsap  (https)  [v4R] 4/0.432427s	0.610860	87139	1.09	0.027151	0	0	n/a	graph
• gov.selectagents.www  (https)	0.161520	70609	3.35	0.669655	70609	0.81	24%	graph
IPv6 operational: 50% of linked subdomains (1/2), 56% of all linked domains (5/9)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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