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 2026.08.22 -

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)	0.038889	1621	0.33	0.038147	1621	0.33	100%	graph
com.hcinnovationgroup.www  (https)	0.041369	320352	59.61	0.047000	320352	52.00	87%	graph
com.healthleadersmedia.www  (https)	0.038433	5267	1.06	0.035820	5310	1.16	109%	graph
com.healthsystemcio  (https)	0.039547	5410	1.06	0.039970	5452	1.07	101%	graph
com.linkedin.www  (https)	0.199369	140465	5.39	0.155297	140465	6.91	128%	graph
com.x  (https)	0.106561	35222	2.54	0.004533	0	0	n/a	graph
com.youtube.www  [v4R] 1/0.019915s  [v6R] 1/0.027992s	0.231991	867659	28.66	0.188333	871494	35.37	123%	graph
gov.healthdata  (https)	0.276819	620672	17.16	0.002418	0	0	n/a	graph
gov.healthit  (https)	1.406327	429575	2.33	0.053457	0	0	n/a	graph
gov.healthit.chpl  (https)	0.130580	30300	1.78	0.003029	0	0	n/a	graph
gov.healthit.ecqi  (https)	0.032370	86408	20.60	0.040431	86408	16.48	80%	graph
gov.healthit.inquiry  (https)  [v4R] 3/0.068610s	0.105457	77553	5.64	0.052320	0	0	n/a	graph
gov.healthit.isp  (https)	0.023705	118	0.04	0.003033	0	0	n/a	graph
gov.healthit.site  (https)	0.183692	124560	5.19	0.003035	0	0	n/a	graph
• gov.healthit.www  (https)  [v4R] 1/0.386594s	0.414356	429575	7.92	0.053340	0	0	n/a	graph
gov.hhs  (https)  [v4R] 1/0.017277s	0.068559	365	0.04	0.006359	0	0	n/a	graph
gov.hhs.www	0.023562	365	0.12	0.021291	365	0.13	110%	graph
gov.hhs.www  (https)	0.042735	365	0.07	0.047899	365	0.06	89%	graph
gov.usa.gobierno  (https)  [v4R] 1/0.226786s  [v6R] 1/0.239104s	0.257009	48242	1.43	0.261591	48242	1.41	98%	graph
IPv6 operational: 14% of linked subdomains (1/7), 53% of all linked domains (10/19)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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