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.mesh. | Department of Health and Human Services	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)	0.515976	423673	6.28	0.459608	422593	7.02	112%	graph
com.google.www  (https)	0.063617	80922	9.80	0.081994	80967	7.63	78%	graph
com.googletagmanager.www  (https)	0.048044	1561	0.25	0.274512	1561	0.04	18%	graph
com.twitter  (https)  [v4R] 1/0.291813s	0.504217	266111	4.03	0.003031	0	0	n/a	graph
com.youtube.www  (https)	0.247585	836037	25.82	0.273949	817259	22.84	88%	graph
gov.hhs.www  (https)	0.067949	365	0.04	0.119790	365	0.02	56%	graph
• gov.mesh.www  (https)  [v4R] 1/0.043363s  [v6R] 1/0.046214s	0.110612	17465	1.21	0.105161	17465	1.27	105%	graph
gov.nih.nlm.meshb-prev  (https)	0.073506	17460	1.82	0.062096	17460	2.15	118%	graph
gov.nih.nlm.support  (https)	0.253698	44020	1.33	0.053639	0	0	n/a	graph
gov.nih.nlm.www  (https)	0.073182	33490	3.50	0.113611	33490	2.26	65%	graph
gov.nih.www  (https)	0.060869	62629	7.96	0.173036	62629	2.76	35%	graph
gov.usa.www  (https)	0.022759	47199	16.37	0.045851	47199	8.00	49%	graph
IPv6 operational: 100% of linked subdomains (1/1), 83% of all linked domains (10/12)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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