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 2021.04.21 -

gov.cybersecurity. | Department of Homeland Security	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)	0.205	188843	7.04	0.221	189203	6.52	93%	graph
com.govdelivery.public  (https)  [v4R] 1/0.154s  [v6R] 1/0.159s	0.208	3882	0.14	0.215	3882	0.14	97%	graph
com.instagram.www  (https)  [v4R] 1/0.164s  [v6R] 1/0.196s	0.214	20776	0.74	0.274	20776	0.58	78%	graph
com.linkedin.www  (https)	0.331	89155	2.06	0.498	89155	1.37	66%	graph
com.twitter  (https)	0.593	61983	0.80	0.000	0	0	n/a	graph
com.youtube.www  (https)	0.719	644256	6.84	0.628	523717	6.36	93%	graph
gov.cisa.us-cert  (https)	0.169	60572	2.73	0.159	60572	2.90	106%	graph
gov.cisa.www  (https)	0.144	57894	3.07	0.147	57894	3.01	98%	graph
• gov.cybersecurity.www  (https)  [v4R] 1/0.141s  [v6R] 1/0.134s	0.177	57894	2.50	0.170	57894	2.59	104%	graph
gov.dhs.oig.www  (https)	0.151	64605	3.26	0.156	64605	3.16	97%	graph
gov.dhs.www  (https)	0.187	99832	4.08	0.254	99850	3.00	74%	graph
gov.us-cert.www  (https)  [v4R] 1/0.132s  [v6R] 1/0.133s	0.183	60572	2.52	0.179	60572	2.58	103%	graph
gov.usa.www  (https)	0.144	107782	5.72	0.248	107782	3.31	58%	graph
gov.whitehouse.www  (https)	0.207	137075	5.05	0.173	117944	5.19	103%	graph
IPv6 operational: 100% of linked subdomains (1/1), 93% of all linked domains (13/14)	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: usgv6-deploymon@nist.gov