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 2025.09.23 -

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)  [v6R] 1/0.095458s	0.146914	77105	4.03	0.228036	76578	2.56	64%	graph
com.googletagmanager.www  (https)	0.043339	1561	0.28	0.040354	1561	0.30	108%	graph
com.twitter  (https)  [v4R] 1/0.270139s	0.640485	221214	2.64	0.003425	0	0	n/a	graph
com.youtube.www  (https)	0.180498	667868	28.31	0.405078	664426	12.52	44%	graph
gov.dhs  (https)  [v4R] 1/0.068168s  [v6R] 1/0.064306s	0.147215	104613	5.43	0.131636	104635	6.09	112%	graph
gov.dhs.oig.www  (https)	0.074029	59255	6.11	0.093858	59255	4.86	80%	graph
gov.dhs.www  (https)	0.099428	104613	8.06	0.099496	104636	8.06	100%	graph
gov.fema.www  (https)	0.080209	119799	11.42	0.076445	119799	12.03	105%	graph
• gov.listo.www  (https)  [v4R] 1/0.084457s  [v6R] 1/0.090602s	0.913680	50564	0.42	0.146283	50564	2.64	625%	graph
gov.ready.www  (https)	0.055859	52861	7.33	0.118668	52861	3.42	47%	graph
gov.usa  (https)  [v4R] 1/0.044666s  [v6R] 1/0.035303s	0.077119	48043	4.76	0.078287	48043	4.70	99%	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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