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 2026.01.26 -

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.googleapis.fonts  (https)	0.040965	1621	0.31	0.040790	1621	0.31	100%	graph
com.linkedin.www  (https)	0.157611	141119	6.86	0.214183	141119	5.03	73%	graph
com.x  (https)	0.138343	233362	12.90	0.004120	0	0	n/a	graph
com.youtube.www  [v4R] 1/0.022587s  [v6R] 1/0.024661s	0.214307	664623	23.69	0.214211	660818	23.56	99%	graph
gov.healthdata  (https)	0.386577	840433	16.61	0.003039	0	0	n/a	graph
gov.healthit  (https)	1.225374	416166	2.59	0.053381	0	0	n/a	graph
gov.healthit.chpl  (https)	0.030887	15143	3.85	0.003030	0	0	n/a	graph
gov.healthit.ecqi  (https)	0.024609	87106	27.69	0.036062	87106	18.46	67%	graph
gov.healthit.inquiry  (https)  [v4R] 3/0.170722s	0.212204	75655	2.72	0.053926	0	0	n/a	graph
gov.healthit.isp  (https)	0.042472	118	0.02	0.003030	0	0	n/a	graph
gov.healthit.site  (https)	0.188875	124550	5.05	0.004211	0	0	n/a	graph
• gov.healthit.www  (https)  [v4R] 1/0.287883s	0.330407	416166	9.62	0.003032	0	0	n/a	graph
gov.hhs  (https)  [v4R] 1/0.023405s	0.059347	365	0.05	0.006359	0	0	n/a	graph
gov.hhs.www	0.012969	365	0.23	0.017272	365	0.16	71%	graph
gov.hhs.www  (https)	0.025061	365	0.11	0.029900	365	0.10	86%	graph
gov.usa.gobierno  (https)  [v4R] 1/0.208495s  [v6R] 1/0.207690s	0.236763	48581	1.57	0.238148	48581	1.56	99%	graph
IPv6 operational: 14% of linked subdomains (1/7), 44% of all linked domains (7/16)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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