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.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)	0.048096	1621	0.26	0.057612	1621	0.22	84%	graph
com.healthcareitnews.www  (https)	0.144673	85136	4.51	0.104227	84896	6.23	138%	graph
com.linkedin.www  (https)	0.229798	141608	4.72	0.447650	141608	2.42	51%	graph
com.x  (https)	0.223756	266111	9.10	0.003030	0	0	n/a	graph
com.youtube.www  [v4R] 1/0.040370s  [v6R] 1/0.049494s	0.289671	819983	21.65	0.363133	819153	17.22	80%	graph
gov.healthdata  (https)	0.000	0	0	0.003030	0	0	n/a	graph
gov.healthit  (https)	1.832398	427281	1.78	0.003039	0	0	n/a	graph
gov.healthit.chpl  (https)	0.065248	14323	1.68	0.003036	0	0	n/a	graph
gov.healthit.ecqi  (https)	0.070541	86056	9.38	0.058995	86056	11.32	121%	graph
gov.healthit.inquiry  (https)  [v4R] 3/0.290448s	0.342587	76963	1.72	0.003031	0	0	n/a	graph
gov.healthit.isp  (https)	0.045171	118	0.02	0.004110	0	0	n/a	graph
gov.healthit.site  (https)	0.226922	124560	4.20	0.006316	0	0	n/a	graph
• gov.healthit.www  (https)  [v4R] 1/0.356211s	0.432593	427281	7.55	0.053542	0	0	n/a	graph
gov.hhs  (https)  [v4R] 1/0.028593s	0.086014	365	0.03	0.007497	0	0	n/a	graph
gov.hhs.www	0.021856	365	0.13	0.028170	365	0.10	75%	graph
gov.hhs.www  (https)	0.044543	365	0.06	0.049766	365	0.06	90%	graph
gov.usa.gobierno  (https)  [v4R] 1/0.243282s  [v6R] 1/0.239110s	0.296666	48242	1.24	0.279837	48242	1.32	106%	graph
IPv6 operational: 14% of linked subdomains (1/7), 47% of all linked domains (8/17)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

For comments, questions or suggested domains please contact: [email protected]