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 2025.09.15 -

gov.hrsa. | Department of Health and Human Services	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)  [v4R] 1/0.121610s  [v6R] 1/0.123079s	0.278284	74692	2.05	0.520970	74825	1.10	54%	graph
com.googletagmanager.www  (https)	0.034599	1561	0.35	0.033509	1561	0.36	103%	graph
com.govdelivery.public  (https)  [v4R] 1/0.171948s  [v6R] 1/0.180162s	0.229045	7656	0.26	0.242524	7656	0.24	95%	graph
com.instagram.www  (https)	0.326723	432549	10.12	0.364646	434164	9.10	90%	graph
com.linkedin.www  (https)	0.225832	138894	4.71	0.276861	138898	3.84	82%	graph
com.twitter  (https)  [v4R] 1/0.107409s	0.262865	219475	6.39	0.003386	0	0	n/a	graph
com.youtube.www  (https)	0.215546	655504	23.26	0.188287	654103	26.54	114%	graph
gov.hhs.www  (https)	0.042288	365	0.07	0.038894	361	0.07	109%	graph
gov.hrsa.bhw  (https)	0.059048	34473	4.46	0.055184	34492	4.78	107%	graph
gov.hrsa.bphc  (https)	0.083415	50708	4.66	0.068275	50727	5.69	122%	graph
gov.hrsa.data  (https)	0.173407	66445	2.93	0.234457	66445	2.17	74%	graph
gov.hrsa.findahealthcenter  (https)	0.072884	1762	0.19	0.063447	1762	0.21	114%	graph
gov.hrsa.mchb  (https)	0.105437	37191	2.70	0.057637	37210	4.98	184%	graph
gov.hrsa.nhsc  (https)	0.047559	32806	5.33	0.056527	32827	4.47	84%	graph
gov.hrsa.ryanwhite  (https)	0.153021	29967	1.49	0.197819	29990	1.16	78%	graph
• gov.hrsa.www  (https)	0.050750	67610	10.32	0.053595	67630	9.74	94%	graph
gov.usa.www  (https)	0.032002	47992	11.44	0.057700	47992	6.42	56%	graph
gov.whitehouse.www  (https)	0.042044	166927	30.32	0.264862	166927	4.82	16%	graph
IPv6 operational: 100% of linked subdomains (8/8), 94% of all linked domains (17/18)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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