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.cuidadodesalud. | 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)	0.632937	424447	5.12	0.705686	427448	4.63	90%	graph
com.twitter  (https)  [v4R] 1/0.078553s	0.303356	266111	6.70	0.002445	0	0	n/a	graph
com.youtube.www  (https)	0.354308	817828	17.63	0.283342	819090	22.08	125%	graph
gov.cms.www  [v4R] 1/0.044427s  [v6R] 1/0.249877s	0.382200	234372	4.68	0.359398	234372	4.98	106%	graph
gov.cms.www  (https)	0.364267	234372	4.91	0.107795	234372	16.71	340%	graph
gov.cuidadodesalud.ayudalocal  (https)  [v4R] 1/0.198743s  [v6R] 1/0.083032s	0.359535	2309	0.05	0.195590	2309	0.09	184%	graph
• gov.cuidadodesalud.www  (https)  [v4R] 1/1.347155s  [v6R] 1/0.061689s	1.425950	430082	2.30	0.356399	430082	9.22	400%	graph
gov.hhs.www  (https)	0.042292	365	0.07	0.053491	363	0.05	79%	graph
IPv6 operational: 100% of linked subdomains (2/2), 88% of all linked domains (7/8)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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