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 2026.09.21 -

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)	1.552959	455287	2.24	1.501381	455585	2.32	103%	graph
com.govdelivery.public  (https)  [v4R] 1/0.187304s  [v6R] 1/1.197770s	0.244057	7681	0.24	1.359916	7681	0.04	18%	graph
com.instagram.www  (https)	0.336325	415751	9.44	0.585001	415803	5.42	57%	graph
com.linkedin.www  (https)	0.270341	140465	3.97	0.221065	140465	4.85	122%	graph
com.x  (https)	0.193652	32786	1.30	0.002466	0	0	n/a	graph
com.youtube.www  (https)	0.232198	881371	28.98	0.191077	879366	35.13	121%	graph
gov.dol.oig.www  (https)	0.107322	61430	4.38	0.003028	0	0	n/a	graph
gov.dol.www  (https)	0.067195	87856	10.00	0.146634	87871	4.59	46%	graph
gov.ecfr.www  (https)  [v4R] 1/0.060070s	0.110870	10596	0.73	0.006307	0	0	n/a	graph
gov.msha.arlweb  (https)  [v4R] 1/0.058701s	0.107896	232863	16.60	0.003038	0	0	n/a	graph
gov.msha.microstrategy  (https)	0.129390	1208	0.07	0.008581	0	0	n/a	graph
• gov.msha.www  (https)	0.055840	232863	32.30	0.066502	232863	26.92	83%	graph
gov.usa.www  (https)	0.025047	48215	14.71	0.046686	48215	8.00	54%	graph
gov.whitehouse.www  (https)	0.104849	290621	21.32	0.114531	290621	19.45	91%	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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