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.frtr. | Environmental Protection Agency	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.constantcontactpages.lp  (https)	0.073297	5375	0.56	0.017926	0	0	n/a	graph
com.googleapis.fonts  (https)	0.040636	1621	0.31	0.062439	1621	0.20	65%	graph
gov.epa.www  (https)	0.060250	64547	8.21	0.064235	64547	7.69	94%	graph
gov.frtr.www	0.000	0	0	0.000	0	0	n/a	graph
• gov.frtr.www  (https)	0.123381	22077	1.37	0.000	0	0	n/a	graph
gov.nih.niehs.www  (https)	0.413889	404073	7.46	0.108459	404073	28.54	382%	graph
gov.nrc.www  (https)	0.111215	103242	7.10	0.854022	103254	0.92	13%	graph
gov.usa.search  (https)	0.034810	919	0.21	0.004123	0	0	n/a	graph
IPv6 operational: 0% of linked subdomains (0/2), 50% of all linked domains (4/8)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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