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 2025.06.01 -

gov.pubmed. | 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)  [v6R] 1/0.045939s	0.094533	79245	6.43	0.181688	76610	3.23	50%	graph
com.github  (https)	0.027187	546835	154.52	0.003582	0	0	n/a	graph
com.google-analytics.www  (https)  [v4R] 2/0.048818s  [v6R] 2/0.052272s	0.079266	118404	11.43	0.080255	118404	11.29	99%	graph
com.google.www  (https)	0.064704	18465	2.20	0.060175	18821	2.39	109%	graph
com.linkedin.www  (https)	0.272126	138931	3.90	0.216074	138508	4.89	126%	graph
com.twitter  (https)  [v4R] 1/0.061181s	0.172814	265154	11.76	0.003316	0	0	n/a	graph
com.youtube.www  (https)	0.155728	613007	30.17	0.138523	609378	33.69	112%	graph
gov.hhs.www  (https)	0.076976	365	0.04	0.036029	365	0.08	211%	graph
gov.nih.nlm.ncbi.account  (https)	0.241929	4642163	146.96	1.258662	4642163	28.15	19%	graph
gov.nih.nlm.ncbi.cdn  (https)	0.054925	119140	16.83	0.029941	119140	31.34	186%	graph
gov.nih.nlm.ncbi.ncbiinsights  (https)	0.029747	144391	37.99	0.007519	0	0	n/a	graph
gov.nih.nlm.ncbi.pubmed  (https)	0.083509	41884	3.85	0.087844	41884	3.67	95%	graph
gov.nih.nlm.ncbi.www  (https)	0.036000	37806	8.01	0.033939	37806	8.74	109%	graph
gov.nih.nlm.support  (https)	0.173359	41890	1.85	0.000110	0	0	n/a	graph
gov.nih.nlm.www  (https)	0.076621	34874	3.50	0.066617	34874	4.03	115%	graph
gov.nih.www  (https)	0.167617	62863	2.87	0.131642	62863	3.66	127%	graph
• gov.pubmed.www  (https)  [v4R] 1/0.028011s  [v6R] 1/0.030318s	0.123214	41884	2.60	0.111539	41884	2.88	111%	graph
gov.usa.www  (https)	0.019288	47950	19.25	0.021195	47950	17.42	90%	graph
IPv6 operational: 100% of linked subdomains (1/1), 78% of all linked domains (14/18)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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