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.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)	0.062241	1621	0.20	0.048000	1621	0.26	129%	graph
com.linkedin.www  (https)	0.191473	141175	5.64	0.271161	141175	3.97	70%	graph
com.x  (https)	0.178274	244522	10.48	0.006532	0	0	n/a	graph
com.youtube.www  [v4R] 1/0.044323s  [v6R] 1/0.043990s	0.274769	690829	19.24	0.276690	696237	19.25	100%	graph
gov.healthdata  (https)	1.083909	832029	5.86	0.002762	0	0	n/a	graph
gov.healthit  (https)	1.293210	413220	2.44	0.005267	0	0	n/a	graph
gov.healthit.chpl  (https)	0.109494	15133	1.06	0.054102	0	0	n/a	graph
gov.healthit.ecqi  (https)	0.136925	86912	4.88	0.279259	86912	2.38	49%	graph
gov.healthit.inquiry  (https)  [v4R] 3/0.129095s	0.191682	75941	3.03	0.043190	0	0	n/a	graph
gov.healthit.isp  (https)	0.035049	118	0.03	0.003035	0	0	n/a	graph
gov.healthit.site  (https)	0.222204	124550	4.28	0.053351	0	0	n/a	graph
• gov.healthit.www  (https)  [v4R] 1/0.381259s	0.448222	413220	7.04	0.052317	0	0	n/a	graph
gov.hhs  (https)  [v4R] 1/0.028362s	0.077635	365	0.04	0.007390	0	0	n/a	graph
gov.hhs.www	0.016048	365	0.17	0.025738	365	0.11	64%	graph
gov.hhs.www  (https)	0.039357	365	0.07	2.273111	365	0.00	2%	graph
gov.usa.gobierno  (https)  [v4R] 1/0.224287s  [v6R] 1/0.275525s	0.292472	48157	1.26	0.336621	48157	1.09	87%	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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