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 2026.07.01 -

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)	1.361415	428131	2.40	1.078689	428458	3.03	126%	graph
com.googletagmanager.www  (https)	0.080843	1561	0.15	0.053731	1561	0.22	151%	graph
com.govdelivery.public  (https)  [v4R] 1/0.504917s  [v6R] 1/1.728600s	1.617433	7657	0.04	1.779069	7657	0.03	91%	graph
com.instagram.www  (https)	0.370278	411710	8.49	0.558533	411636	5.63	66%	graph
com.linkedin.www  (https)	0.259948	141606	4.17	0.216765	141606	5.00	120%	graph
com.unpkg  (https)	0.186592	41606	1.71	1.005237	41606	0.32	19%	graph
com.x  (https)	0.538157	280445	3.98	0.003027	0	0	n/a	graph
com.youtube.www  (https)	0.268052	764401	21.76	0.493704	771475	11.94	55%	graph
gov.dhs  (https)  [v4R] 1/0.057652s  [v6R] 1/0.281043s	0.200172	291842	11.13	0.388667	291854	5.74	52%	graph
gov.disasterassistance  (https)  [v4R] 1/0.050509s  [v6R] 1/0.061149s	0.141805	121733	6.59	0.198674	121733	4.69	71%	graph
gov.fema  (https)  [v4R] 1/0.059656s  [v6R] 1/1.101755s	0.393225	320780	6.23	1.184695	320780	2.07	33%	graph
gov.fema.msc  (https)  [v4R] 1/0.072442s	0.401717	36662	0.70	0.008471	0	0	n/a	graph
gov.fema.www  (https)	1.100594	320780	2.22	0.357450	320780	6.86	308%	graph
gov.floodsmart  (https)  [v4R] 1/0.059528s  [v6R] 1/0.063198s	0.295539	94537	2.44	0.239278	94537	3.02	123%	graph
gov.floodsmart.agents  (https)	0.541850	71725	1.01	0.366811	71725	1.50	148%	graph
• gov.floodsmart.www  (https)	0.223013	94537	3.23	0.211550	94537	3.42	106%	graph
gov.ready  (https)  [v4R] 1/0.073863s  [v6R] 1/0.063311s	0.159205	55372	2.66	0.354508	55372	1.19	45%	graph
gov.usa  (https)  [v6R] 1/1.281139s	0.000	0	0	1.545716	47199	0.23	n/a	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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