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 2026.07.21 -

gov.savingsbond. | Department of the Treasury	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)  [v4R] 1/0.274080s	0.761983	423044	4.24	0.865965	423142	3.73	88%	graph
com.twitter  (https)  [v4R] 1/0.077340s	0.278681	266111	7.30	0.004126	0	0	n/a	graph
com.youtube.www  (https)	0.464609	835445	13.74	0.303843	816919	20.57	150%	graph
gov.data.www  (https)  [v6R] 1/0.200265s	0.000	0	0	0.306018	121511	3.03	n/a	graph
gov.regulations.www  (https)	0.028738	919	0.25	0.040284	919	0.18	70%	graph
• gov.savingsbond.www  (https)	0.404637	42102	0.80	0.708749	42102	0.45	57%	graph
gov.treasury.fiscal  (https)	0.000	0	0	0.000	0	0	n/a	graph
gov.treasury.fiscal.fedinvest  (https)  [v6R] 3/0.672177s	0.000	0	0	1.424192	12407	0.07	n/a	graph
gov.treasury.fiscal.slgsafe  (https)  [v4R] 3/0.180373s	0.613075	12387	0.15	0.000	0	0	n/a	graph
gov.treasury.fiscaldata  (https)	2.490577	610083	1.87	0.000	0	0	n/a	graph
gov.treasury.www  (https)	0.000	0	0	0.000	0	0	n/a	graph
gov.usa.www  (https)	0.130470	47199	2.77	0.058421	47199	6.21	224%	graph
gov.usaspending.www  (https)	0.956108	2917	0.02	3.671925	2917	0.01	26%	graph
IPv6 operational: 100% of linked subdomains (1/1), 62% of all linked domains (8/13)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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