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.hydrogen. | Department of Energy	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.googleapis.fonts  (https)	0.039044	1621	0.32	0.045541	1621	0.27	87%	graph
com.googletagmanager.www  (https)	0.050968	1561	0.24	0.060998	1561	0.20	83%	graph
com.gstatic.fonts  (https)	0.030207	1561	0.40	0.038794	1561	0.31	79%	graph
com.responsibledisclosure.doe  (https)  [v4R] 2/0.176358s	0.182481	5422	0.23	0.039221	0	0	n/a	graph
gov.commerce.www  (https)	0.030842	5343	1.36	0.041676	5385	1.00	74%	graph
gov.defense.www  (https)	0.042748	369	0.07	1.075378	369	0.00	4%	graph
gov.doe.directives.www  (https)  [v4R] 1/0.059167s  [v6R] 1/0.047011s	0.110793	113766	7.89	0.100636	113766	8.68	110%	graph
gov.doi.www  (https)	0.074536	56350	5.81	0.073244	56350	5.89	101%	graph
gov.dol.www  (https)	0.200665	89751	3.42	0.093873	89764	7.36	215%	graph
gov.energy  (https)	0.035520	0	0	0.038104	0	0	n/a	graph
gov.energy.ig  (https)  [v4R] 1/0.082680s  [v6R] 1/0.064902s	0.135876	141995	8.02	0.128331	141995	8.46	105%	graph
gov.energy.www  (https)	0.040096	130632	24.92	0.056592	130632	17.80	71%	graph
gov.epa.www  (https)	0.045580	64547	10.94	0.065910	64547	7.58	69%	graph
• gov.hydrogen.www  (https)  [v4R] 2/0.224492s	0.242171	30330	0.96	0.008330	0	0	n/a	graph
gov.nasa.www  (https)	0.267049	341259	9.75	0.071415	341259	36.67	376%	graph
gov.sba.www  (https)	0.053278	124119	17.87	0.506509	124119	1.87	10%	graph
gov.state.www  (https)	0.137715	659508	36.73	0.136033	659508	37.00	101%	graph
gov.transportation.www  (https)	0.086138	376	0.03	0.054321	376	0.05	159%	graph
gov.treasury.home  (https)	0.000	0	0	0.000	0	0	n/a	graph
gov.usa.www  [v4R] 1/0.008660s  [v6R] 1/0.006338s	0.053876	47199	6.79	0.029355	47199	12.42	183%	graph
gov.usda.www  (https)	0.041952	0	0	0.042876	0	0	n/a	graph
gov.whitehouse.www  [v4R] 1/0.023562s  [v6R] 1/0.008780s	0.132406	295348	17.07	0.056930	295348	40.24	236%	graph
gov.whitehouse.www  (https)	0.074721	295348	30.45	0.064123	295348	35.21	116%	graph
IPv6 operational: 0% of linked subdomains (0/1), 78% of all linked domains (18/23)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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