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 2025.07.02 -

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] 1/0.080147s  [v6R] 1/0.038248s	0.263841	76397	2.22	0.132830	74043	4.28	193%	graph
com.github  (https)	0.056168	286861	39.08	0.003340	0	0	n/a	graph
com.google-analytics.www  (https)  [v4R] 2/0.050764s  [v6R] 2/0.048792s	0.085071	118404	10.63	0.081622	118404	11.15	105%	graph
com.google.www  (https)	0.055650	17390	2.41	0.054162	17383	2.46	102%	graph
com.linkedin.www  (https)	0.223539	139075	4.76	0.236270	138652	4.48	94%	graph
com.twitter  (https)  [v4R] 1/0.064166s	0.190126	269069	10.80	0.003347	0	0	n/a	graph
com.youtube.www  (https)	0.248940	607048	18.68	0.168446	604406	27.45	147%	graph
gov.hhs.www  (https)	0.037514	363	0.07	0.034471	365	0.08	109%	graph
gov.nih.nlm.ncbi.account  (https)	0.235573	4655894	151.16	0.236628	4655894	150.52	100%	graph
gov.nih.nlm.ncbi.cdn  (https)	0.051744	119140	17.82	0.029649	119140	31.34	176%	graph
gov.nih.nlm.ncbi.ncbiinsights  (https)	0.026305	143931	42.23	0.008032	0	0	n/a	graph
gov.nih.nlm.ncbi.pubmed  (https)	0.092999	42266	3.51	0.094844	42266	3.43	98%	graph
gov.nih.nlm.ncbi.www  (https)	0.029672	37806	9.95	0.037122	37806	7.80	78%	graph
gov.nih.nlm.support  (https)	0.153551	42719	2.13	0.001223	0	0	n/a	graph
gov.nih.nlm.www  (https)	0.061490	34785	4.35	0.061274	34785	4.35	100%	graph
gov.nih.www  (https)	0.182980	61313	2.57	0.081421	61313	5.78	225%	graph
• gov.pubmed.www  (https)  [v4R] 1/0.026371s  [v6R] 1/0.029155s	0.103123	42266	3.13	0.128441	42266	2.52	80%	graph
gov.usa.www  (https)	0.020556	48012	18.32	0.021603	48012	17.44	95%	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

For comments, questions or suggested domains please contact: [email protected]