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.mentalhealth. | 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)	0.059561	8891	1.15	0.070939	8891	0.97	84%	graph
com.facebook.www  (https)  [v4R] 1/0.139720s	0.615595	465156	5.77	1.240174	465333	2.86	50%	graph
com.googletagmanager.www  (https)	0.292973	1561	0.04	0.069157	1561	0.17	423%	graph
com.instagram.www  (https)	0.375446	607147	12.35	0.456243	607314	10.16	82%	graph
com.linkedin.www  (https)	0.233536	141175	4.62	0.315706	141175	3.42	74%	graph
com.x  (https)	0.404944	244522	4.62	0.004116	0	0	n/a	graph
com.youtube  (https)  [v4R] 1/0.118453s  [v6R] 1/0.121834s	0.428770	690662	12.31	0.605819	692943	8.74	71%	graph
com.youtube.www  (https)	0.518008	687405	10.12	0.244943	692878	21.66	214%	graph
gov.findtreatment  (https)	0.169049	4546	0.21	0.137214	4546	0.25	123%	graph
gov.gpo.orders  (https)	1.387560	137741	0.76	2.254833	137741	0.47	62%	graph
gov.hhs.oig  (https)	0.443461	53197	0.92	0.004120	0	0	n/a	graph
gov.hhs.www  (https)	0.064567	365	0.04	0.062704	365	0.04	103%	graph
• gov.mentalhealth.www  (https)	0.000	0	0	0.013757	0	0	n/a	graph
gov.samhsa.datatools  (https)	0.074530	3291	0.34	0.006276	0	0	n/a	graph
gov.samhsa.intranet  (https)	0.000	0	0	0.008534	0	0	n/a	graph
gov.samhsa.library  (https)	0.312115	118	0.00	0.008550	0	0	n/a	graph
gov.samhsa.www  (https)	1.408663	780153	4.23	0.008451	0	0	n/a	graph
gov.usa.www  (https)	0.741201	47231	0.49	0.082014	47231	4.39	904%	graph
net.veteranscrisisline.www  (https)	0.309938	24108	0.60	0.067108	24104	2.74	461%	graph
org.988lifeline  (https)	0.109318	319528	22.37	0.103419	319528	23.67	106%	graph
IPv6 operational: 0% of linked subdomains (0/1), 65% of all linked domains (13/20)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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