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.nasa. | National Aeronautics and Space Administration	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.constantcontactpages.lp  (https)	0.090780	5375	0.46	0.006336	0	0	n/a	graph
com.facebook.www  (https)	0.563121	422387	5.72	0.677647	422685	4.76	83%	graph
com.googletagmanager.www  (https)	0.050550	1561	0.24	0.050617	1561	0.24	100%	graph
com.instagram.www  (https)	0.437796	396108	6.92	0.505854	396096	5.98	87%	graph
com.x  (https)	0.231946	266111	8.79	0.002402	0	0	n/a	graph
com.youtube.www  (https)	0.297040	818468	21.02	0.205079	817662	30.43	145%	graph
gov.nasa.ciencia  (https)	0.792983	370786	3.57	0.005223	0	0	n/a	graph
gov.nasa.oig  [v4R] 1/0.042839s  [v6R] 1/0.031352s	0.466167	329844	5.40	0.076542	329844	33.11	613%	graph
gov.nasa.plus  (https)	0.250766	351234	10.72	0.074693	351234	36.21	338%	graph
gov.nasa.science  (https)	1.702420	385734	1.73	0.005224	0	0	n/a	graph
• gov.nasa.www  (https)	0.126413	341259	20.66	0.053945	341259	49.12	238%	graph
org.gmpg  (https)	0.185007	1698	0.07	0.002503	0	0	n/a	graph
IPv6 operational: 60% of linked subdomains (3/5), 58% of all linked domains (7/12)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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