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.msha. | Department of Labor	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)	0.905527	424875	3.58	0.679499	422583	4.75	133%	graph
com.govdelivery.public  (https)  [v4R] 1/0.050670s  [v6R] 1/0.073285s	0.079182	7681	0.74	0.182765	7681	0.32	43%	graph
com.instagram.www  (https)	0.493866	396128	6.13	0.729083	396161	4.15	68%	graph
com.linkedin.www  (https)	0.273688	141608	3.96	0.443221	141608	2.44	62%	graph
com.x  (https)	0.228612	266111	8.90	0.003033	0	0	n/a	graph
com.youtube.www  (https)	0.228608	814283	27.25	0.266611	814348	23.36	86%	graph
gov.dol.oig.www  (https)	0.133357	61403	3.52	0.004127	0	0	n/a	graph
gov.dol.www  (https)	0.293052	89750	2.34	0.069600	89764	9.93	425%	graph
gov.ecfr.www  (https)  [v4R] 1/0.036501s	0.078670	10596	1.04	0.006345	0	0	n/a	graph
gov.msha.arlweb  (https)  [v4R] 1/0.043600s	0.121120	231586	14.60	0.003029	0	0	n/a	graph
gov.msha.microstrategy  (https)	0.041114	1208	0.22	0.003030	0	0	n/a	graph
• gov.msha.www  (https)	0.540441	231586	3.27	0.085025	231586	20.79	635%	graph
gov.usa.www  (https)	0.028703	47199	12.86	0.029247	47199	12.42	97%	graph
gov.whitehouse.www  (https)	0.284461	295348	7.93	0.050204	295348	45.07	568%	graph
IPv6 operational: 33% of linked subdomains (1/3), 64% of all linked domains (9/14)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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