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 2026.03.26 -

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] 2/0.188018s	0.205541	6742	0.25	0.006314	0	0	n/a	graph
gov.cdc.www  (https)	0.087287	60014	5.26	0.077385	60014	5.95	113%	graph
gov.cdc.wwwn  (https)	1.063605	0	0	0.097662	0	0	n/a	graph
gov.hhs.oig  (https)	0.224420	53197	1.81	0.008580	0	0	n/a	graph
gov.hhs.www  (https)	0.043697	365	0.06	0.071088	365	0.04	61%	graph
gov.nih.od.osp  (https)	1.157486	56327	0.37	0.650887	56327	0.66	178%	graph
gov.oversight.usdaoig  (https)	0.402702	65853	1.25	0.553001	65853	0.91	73%	graph
gov.selectagents.efsap  (https)	0.000	0	0	0.023020	0	0	n/a	graph
• gov.selectagents.www  (https)	0.192550	70687	2.81	0.109127	70687	4.95	176%	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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