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 2026.02.21 -

gov.listo. | 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)	0.322016	457689	10.84	0.265152	457094	13.16	121%	graph
com.googletagmanager.www  (https)	0.031490	1561	0.38	0.030064	1561	0.40	103%	graph
com.twitter  (https)  [v4R] 1/0.058521s	0.182656	237018	9.94	0.003028	0	0	n/a	graph
com.youtube.www  (https)	0.190590	687130	27.59	0.205434	686668	25.56	93%	graph
gov.dhs  (https)  [v4R] 1/0.030297s  [v6R] 1/0.035143s	0.069032	305044	33.73	0.087745	305068	26.75	79%	graph
gov.dhs.oig.www  (https)	0.053164	66250	9.54	0.033078	66250	15.32	161%	graph
gov.dhs.www  (https)	0.056648	305044	41.56	0.073059	305068	31.88	77%	graph
gov.fema.www  (https)	0.053832	119426	17.19	0.034236	119426	26.80	156%	graph
• gov.listo.www  (https)  [v4R] 1/0.047246s  [v6R] 1/0.060233s	0.514382	50736	0.75	0.120019	50736	3.23	428%	graph
gov.ready.www  (https)	0.045922	53089	9.00	0.028975	53089	14.47	161%	graph
gov.usa  (https)  [v4R] 1/0.028729s  [v6R] 1/0.030283s	0.056708	47580	6.48	0.058048	47580	6.26	97%	graph
IPv6 operational: 100% of linked subdomains (1/1), 91% of all linked domains (10/11)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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