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 2025.07.01 -

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)  [v4R] 1/0.315237s  [v6R] 1/0.053345s	0.546044	75458	1.05	0.141721	75601	4.09	388%	graph
com.github  (https)	0.056930	286846	39.08	0.003319	0	0	n/a	graph
com.google-analytics.www  (https)  [v4R] 2/0.073089s  [v6R] 2/0.083070s	0.136553	118404	6.64	0.359105	118404	2.52	38%	graph
com.google.www  (https)	0.069864	18272	2.02	0.076180	18373	1.84	91%	graph
com.linkedin.www  (https)	0.183773	139075	5.80	0.560280	138652	1.89	33%	graph
com.twitter  (https)  [v4R] 1/0.131578s	0.322783	269757	6.39	0.003340	0	0	n/a	graph
com.youtube.www  (https)	0.176677	603956	26.18	0.222991	605166	20.80	79%	graph
gov.hhs.www  (https)	0.046388	361	0.06	0.046150	361	0.06	100%	graph
gov.nih.nlm.ncbi.account  (https)	0.834212	4655894	42.59	2.107475	4655894	16.86	40%	graph
gov.nih.nlm.ncbi.cdn  (https)	0.076861	119140	11.96	0.064276	119140	14.20	119%	graph
gov.nih.nlm.ncbi.ncbiinsights  (https)	0.067941	143895	16.39	0.007491	0	0	n/a	graph
gov.nih.nlm.ncbi.pubmed  (https)	0.119944	42266	2.71	0.308060	42266	1.05	39%	graph
gov.nih.nlm.ncbi.www  (https)	0.050874	37806	5.77	0.059109	37806	4.89	85%	graph
gov.nih.nlm.support  (https)	0.217852	42737	1.50	0.001243	0	0	n/a	graph
gov.nih.nlm.www  (https)	0.103700	34785	2.58	0.123162	34785	2.16	84%	graph
gov.nih.www  (https)	0.099033	61373	4.73	0.087722	61373	5.38	114%	graph
• gov.pubmed.www  (https)  [v4R] 1/0.036440s  [v6R] 1/0.043623s	0.136997	42266	2.37	0.440810	42266	0.73	31%	graph
gov.usa.www  (https)	0.039572	48012	9.39	0.076868	48012	4.82	51%	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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