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 2026.03.10 -

gov.healthit. | Department of Health and Human Services	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.googleapis.fonts  (https)	0.053513	1621	0.23	0.264041	1621	0.05	20%	graph
com.linkedin.www  (https)	0.249472	141194	4.33	0.187676	141234	5.76	133%	graph
com.x  (https)	0.169895	239132	10.80	0.004790	0	0	n/a	graph
com.youtube.www  [v4R] 1/0.032290s  [v6R] 1/0.240997s	0.257979	689085	20.46	0.481047	686063	10.88	53%	graph
gov.healthdata  (https)	0.569277	830444	11.13	0.010966	0	0	n/a	graph
gov.healthit  (https)	1.305558	413771	2.42	0.057395	0	0	n/a	graph
gov.healthit.chpl  (https)	0.068215	15133	1.70	0.005198	0	0	n/a	graph
gov.healthit.ecqi  (https)	0.064347	87048	10.38	0.364976	87048	1.82	18%	graph
gov.healthit.inquiry  (https)  [v4R] 3/0.138982s	0.196946	75655	2.94	0.049971	0	0	n/a	graph
gov.healthit.isp  (https)	0.042052	118	0.02	0.003032	0	0	n/a	graph
gov.healthit.site  (https)	0.149037	124550	6.38	0.005208	0	0	n/a	graph
• gov.healthit.www  (https)  [v4R] 1/1.438288s	1.517785	413771	2.08	0.005442	0	0	n/a	graph
gov.hhs  (https)  [v4R] 1/0.037595s	0.078939	365	0.04	0.008498	0	0	n/a	graph
gov.hhs.www	0.029214	365	0.10	0.033553	365	0.08	88%	graph
gov.hhs.www  (https)	0.037400	365	0.08	0.053089	365	0.05	70%	graph
gov.usa.gobierno  (https)  [v4R] 1/0.236980s  [v6R] 1/0.232734s	0.655467	48510	0.57	1.293251	48510	0.29	51%	graph
IPv6 operational: 14% of linked subdomains (1/7), 44% of all linked domains (7/16)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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