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 2025.12.19 -

gov.healthit. | Department of Health and Human Services	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.googletagmanager.www  (https)	0.028366	1561	0.43	0.029566	1561	0.41	97%	graph
com.linkedin.www  [v4R] 1/0.088195s  [v6R] 1/0.106156s	0.297565	140066	3.60	0.330450	140061	3.24	90%	graph
com.linkedin.www  (https)	0.142311	138783	7.46	0.238334	140066	4.49	60%	graph
com.twitter.www	0.051610	15	0.00	0.002321	0	0	n/a	graph
com.x  (https)	0.124057	228299	14.05	0.007472	0	0	n/a	graph
com.youtube.www  [v4R] 1/0.049372s  [v6R] 1/0.021726s	2.573024	687620	2.04	0.224305	687225	23.41	1148%	graph
gov.cms.www  (https)	0.039035	221140	43.26	0.161000	221140	10.48	24%	graph
gov.healthit.www	0.040660	0	0	0.004140	0	0	n/a	graph
• gov.healthit.www  (https)	0.019345	118	0.05	0.002782	0	0	n/a	graph
gov.hhs.www	0.015761	365	0.19	0.021582	365	0.13	71%	graph
gov.hhs.www  (https)	0.030049	365	0.09	0.059465	365	0.05	51%	graph
gov.usa.gobierno  (https)  [v4R] 1/0.303337s  [v6R] 1/0.287641s	0.321672	48937	1.16	0.306936	48937	1.22	105%	graph
gov.usa.www  [v4R] 1/0.014697s  [v6R] 1/0.005941s	0.032457	47100	11.23	0.024728	47100	14.97	133%	graph
IPv6 operational: 0% of linked subdomains (0/2), 69% of all linked domains (9/13)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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