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.samhsa. | Department of Health and Human Services	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.cloudflare.cdnjs  (https)	0.281980	8891	0.24	1.074193	8891	0.06	26%	graph
com.facebook.www  (https)  [v4R] 1/0.102799s  [v6R] 1/0.373503s	0.599566	465753	5.93	0.551638	80471	1.11	19%	graph
com.googletagmanager.www  (https)	0.039917	1561	0.31	0.055020	1561	0.22	71%	graph
com.instagram.www  (https)	0.366897	607590	12.67	0.547401	607683	8.48	67%	graph
com.linkedin.www  (https)	0.273675	141175	3.95	0.240960	141175	4.49	114%	graph
com.x  (https)	0.363347	244522	5.14	0.004112	0	0	n/a	graph
com.youtube  (https)  [v4R] 1/0.044087s  [v6R] 1/0.054642s	0.295966	692201	17.90	0.533888	693915	9.93	55%	graph
com.youtube.www  (https)	0.281440	692484	18.80	0.228208	690037	23.09	123%	graph
gov.findtreatment  (https)	0.079034	4546	0.44	0.366152	4546	0.09	22%	graph
gov.gpo.orders  (https)	2.223259	137741	0.47	1.691051	137741	0.62	131%	graph
gov.hhs.oig  (https)	0.231106	53197	1.76	0.011363	0	0	n/a	graph
gov.hhs.www  (https)	0.046659	365	0.06	0.113257	365	0.02	41%	graph
gov.samhsa.datatools  (https)	0.112928	3291	0.22	0.009125	0	0	n/a	graph
gov.samhsa.intranet  (https)	0.000	0	0	0.006327	0	0	n/a	graph
gov.samhsa.library  (https)	0.066128	118	0.01	0.008852	0	0	n/a	graph
• gov.samhsa.www  (https)	1.694265	780153	3.51	0.008291	0	0	n/a	graph
gov.usa.www  (https)	0.526720	47231	0.69	0.257617	47231	1.40	205%	graph
net.veteranscrisisline.www  (https)	0.091988	24106	2.02	0.293006	24108	0.63	31%	graph
org.988lifeline  (https)	0.109599	319528	22.37	0.152076	319528	16.04	72%	graph
IPv6 operational: 0% of linked subdomains (0/4), 68% of all linked domains (13/19)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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