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 2026.10.24 -

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)	0.041562	8891	1.65	0.029600	8891	2.34	141%	graph
com.facebook.www  (https)	0.265389	419536	12.08	0.284943	419680	11.27	93%	graph
com.googletagmanager.www  (https)	0.042039	1561	0.28	0.041702	1561	0.29	102%	graph
com.instagram.www  (https)	0.251623	367391	11.17	0.323174	367422	8.68	78%	graph
com.linkedin.www  (https)	0.202774	140465	5.31	0.148431	140465	7.24	136%	graph
com.x  (https)	0.101350	40318	3.05	0.003027	0	0	n/a	graph
com.youtube  (https)  [v4R] 1/0.046842s  [v6R] 1/0.056155s	0.268326	1012162	28.81	0.252790	954155	28.89	100%	graph
com.youtube.www  (https)	0.174257	954577	41.86	0.179086	951827	40.57	97%	graph
gov.findtreatment  (https)	0.025861	4987	1.52	0.025147	4987	1.52	100%	graph
gov.gpo.orders  (https)	0.152176	142837	7.17	0.127822	142837	8.58	120%	graph
gov.hhs.oig  (https)	0.247233	49719	1.54	0.003028	0	0	n/a	graph
gov.hhs.www  (https)	0.048360	365	0.06	0.033798	365	0.08	145%	graph
• gov.mentalhealth.www  (https)  [v4R] 1/0.032507s	0.182974	698632	29.29	0.004128	0	0	n/a	graph
gov.samhsa.datatools  (https)	0.057802	3291	0.44	0.007439	0	0	n/a	graph
gov.samhsa.intranet  (https)	0.000	0	0	0.008587	0	0	n/a	graph
gov.samhsa.library  (https)	0.050076	118	0.02	0.008531	0	0	n/a	graph
gov.samhsa.www  (https)	0.238796	697941	22.37	0.009072	0	0	n/a	graph
gov.usa.www  (https)	0.022861	48647	16.87	0.025591	48647	14.85	88%	graph
net.veteranscrisisline.www  (https)	0.061519	24621	3.08	0.063379	24622	2.98	97%	graph
org.988lifeline  (https)	0.050992	330314	50.40	0.062692	330314	40.65	81%	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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