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 2026.01.26 -

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)	0.227238	79869	2.68	0.223147	79995	2.74	102%	graph
com.googletagmanager.www  (https)	0.030188	1561	0.40	0.029620	1561	0.41	103%	graph
com.govdelivery.public  (https)  [v4R] 1/0.046165s  [v6R] 1/0.060144s	0.074210	7656	0.79	0.125021	7656	0.47	59%	graph
com.instagram.www  (https)	0.317480	584524	14.07	0.365992	584495	12.22	87%	graph
com.linkedin.www  (https)	0.187094	141154	5.76	0.199602	141154	5.41	94%	graph
com.unpkg  (https)	0.041714	23212	4.32	0.045867	23212	3.94	91%	graph
com.x  (https)	0.126441	233362	14.13	0.004110	0	0	n/a	graph
com.youtube.www  (https)	0.187458	671740	27.41	0.184117	669218	27.75	101%	graph
gov.dhs  (https)  [v4R] 1/0.117007s  [v6R] 1/0.058633s	0.209305	304418	11.11	0.106039	304442	21.91	197%	graph
gov.disasterassistance  (https)  [v4R] 1/0.071969s  [v6R] 1/0.044816s	0.117659	112818	7.36	0.078968	112818	11.04	150%	graph
gov.fema  (https)  [v4R] 1/0.427824s  [v6R] 1/0.043519s	0.459402	120575	2.00	0.075703	120575	12.27	612%	graph
gov.fema.msc  (https)  [v4R] 1/0.061882s	0.117298	36662	2.39	0.007446	0	0	n/a	graph
gov.fema.www  (https)	0.042494	120575	21.90	0.032469	120575	28.75	131%	graph
gov.floodsmart  (https)  [v4R] 1/0.309549s  [v6R] 1/0.071033s	0.568577	93672	1.26	0.252555	93672	2.84	225%	graph
gov.floodsmart.agents  (https)	0.155799	62978	3.10	0.396285	62978	1.21	39%	graph
• gov.floodsmart.www  (https)	0.150135	93672	4.76	0.170074	93672	4.20	88%	graph
gov.ready  (https)  [v4R] 1/0.445502s  [v6R] 1/0.069853s	0.525458	54186	0.79	0.105068	54186	3.94	500%	graph
gov.usa  (https)  [v4R] 1/0.027065s  [v6R] 1/0.026606s	1.063907	46894	0.34	0.046898	46894	7.78	2311%	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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