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 2025.11.26 -

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)  [v4R] 1/0.141781s	0.347769	81508	1.79	0.148218	79821	4.11	230%	graph
com.googletagmanager.www  (https)	0.035858	1561	0.34	0.038120	1561	0.31	92%	graph
com.govdelivery.public  (https)  [v4R] 1/0.068593s  [v6R] 1/0.083215s	0.115906	7656	0.51	0.124170	7656	0.47	93%	graph
com.instagram.www  (https)	0.383269	361908	7.21	0.318565	756793	18.16	252%	graph
com.linkedin.www  (https)	0.163568	140061	6.56	0.213422	140061	5.02	77%	graph
com.unpkg  (https)	0.423204	23212	0.42	0.054128	23212	3.28	783%	graph
com.x  (https)	0.135274	220511	12.46	0.019102	0	0	n/a	graph
com.youtube.www  (https)	0.216400	719233	25.40	0.213820	720340	25.80	102%	graph
gov.dhs  (https)  [v4R] 1/0.052618s  [v6R] 1/0.059296s	0.105476	105709	7.68	0.119779	105734	6.78	88%	graph
gov.dhs.www  (https)	0.099070	105711	8.15	0.043011	105733	18.76	230%	graph
gov.disasterassistance  (https)  [v4R] 1/0.086893s  [v6R] 1/0.057321s	0.220815	112818	3.91	0.102556	112818	8.44	216%	graph
gov.fema  (https)  [v4R] 1/0.068873s  [v6R] 1/0.080564s	0.120811	120597	7.67	0.162955	120597	5.68	74%	graph
gov.fema.msc  (https)  [v4R] 1/0.069121s	0.175680	36662	1.60	0.008392	0	0	n/a	graph
gov.fema.www  (https)	0.067338	120597	13.73	0.106763	120597	8.68	63%	graph
gov.floodsmart  (https)  [v4R] 1/0.067098s  [v6R] 1/0.236314s	0.248777	94864	2.92	0.666480	94864	1.09	37%	graph
gov.floodsmart.agents  (https)	0.115645	63316	4.20	0.243276	63316	1.99	47%	graph
• gov.floodsmart.www  (https)	0.178192	94864	4.07	0.135346	94864	5.36	132%	graph
gov.ready  (https)  [v4R] 1/0.058642s  [v6R] 1/0.177070s	0.095334	52785	4.24	0.307914	52785	1.31	31%	graph
gov.usa  (https)  [v4R] 1/0.024065s  [v6R] 1/0.028669s	0.061239	47111	5.89	0.053948	47111	6.78	115%	graph
IPv6 operational: 100% of linked subdomains (3/3), 89% of all linked domains (17/19)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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