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.healthcare. | 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)	0.340916	465000	10.43	0.734303	463065	4.81	46%	graph
com.twitter  (https)  [v4R] 1/0.064164s	0.438757	244522	4.26	0.008411	0	0	n/a	graph
com.youtube.www  (https)	0.231921	695869	22.98	0.215783	688315	24.43	106%	graph
gov.cms.www  [v4R] 1/0.031580s  [v6R] 1/0.038533s	0.119075	221637	14.21	0.173971	221637	9.77	69%	graph
gov.cms.www  (https)	0.088457	221637	19.22	1.144542	221637	1.48	8%	graph
gov.cuidadodesalud.www  (https)  [v4R] 1/0.060918s  [v6R] 1/0.057914s	0.197661	447490	17.33	0.138586	447490	24.74	143%	graph
gov.healthcare.localhelp  (https)  [v4R] 1/0.186032s  [v6R] 1/0.080319s	0.273852	2320	0.06	0.150268	2320	0.12	182%	graph
• gov.healthcare.www  (https)	0.339321	440520	9.91	0.087012	440520	38.63	390%	graph
gov.hhs.www  (https)	0.035225	365	0.08	0.071217	365	0.04	49%	graph
IPv6 operational: 100% of linked subdomains (2/2), 89% of all linked domains (8/9)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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