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 2026.02.19 -

gov.floodsmart. | Department of Homeland Security	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)	0.145428	78661	4.14	0.221063	78785	2.72	66%	graph
com.googletagmanager.www  (https)	0.031909	1561	0.38	0.028236	1561	0.43	111%	graph
com.govdelivery.public  (https)  [v4R] 1/0.052453s  [v6R] 1/0.076888s	0.086369	7656	0.68	0.134484	7656	0.44	64%	graph
com.instagram.www  (https)	0.376066	578959	11.75	0.415560	584293	10.74	91%	graph
com.linkedin.www  (https)	0.221834	141565	4.89	0.174112	141194	6.19	127%	graph
com.unpkg  (https)	0.050589	23212	3.54	0.059843	23212	3.00	85%	graph
com.x  (https)	0.143377	237084	12.65	0.003031	0	0	n/a	graph
com.youtube.www  (https)	0.267657	682086	19.49	0.230177	682286	22.63	116%	graph
gov.dhs  (https)  [v4R] 1/0.045787s  [v6R] 1/0.039770s	0.100115	300323	22.91	0.085717	300347	26.96	118%	graph
gov.disasterassistance  (https)  [v4R] 1/0.029778s  [v6R] 1/0.037626s	0.079114	119630	11.55	0.124457	119630	7.36	64%	graph
gov.fema  (https)  [v4R] 1/0.069493s  [v6R] 1/0.048313s	0.098033	119498	9.30	0.077407	119498	11.84	127%	graph
gov.fema.msc  (https)  [v4R] 1/0.066204s	0.174096	36662	1.61	0.008385	0	0	n/a	graph
gov.fema.www  (https)	0.052642	119498	17.53	0.031383	119498	29.41	168%	graph
gov.floodsmart  (https)  [v4R] 1/0.061559s  [v6R] 1/0.183661s	0.254773	95274	2.86	0.412803	95274	1.76	62%	graph
gov.floodsmart.agents  (https)	0.336983	71874	1.63	0.242595	71874	2.27	139%	graph
• gov.floodsmart.www  (https)	0.146601	95274	4.98	0.151902	95274	4.81	97%	graph
gov.ready  (https)  [v4R] 1/0.046551s  [v6R] 1/0.087116s	0.090983	53089	4.50	0.123419	53089	3.29	73%	graph
gov.usa  (https)  [v4R] 1/0.021558s  [v6R] 1/0.021561s	0.047032	47580	7.72	0.047622	47580	7.72	100%	graph
IPv6 operational: 100% of linked subdomains (3/3), 89% of all linked domains (16/18)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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