| Global Rank |
TLD Rank |
Domain |
Referring Subnets |
Referring IPs |
57
|
1
|
nih.gov
|
90,652
- 27
|
226,564
- 106
|
88
|
2
|
nasa.gov
|
79,342
+ 3
|
180,439
+ 37
|
136
|
3
|
cdc.gov
|
65,553
- 4
|
146,544
- 16
|
138
- 1
|
4
|
www.ncbi.nlm.nih.gov
|
65,336
+ 10
|
142,667
- 51
|
161
|
5
|
loc.gov
|
60,281
- 10
|
121,427
+ 7
|
162
|
6
|
whitehouse.gov
|
60,249
+ 24
|
128,911
+ 66
|
176
|
7
|
noaa.gov
|
57,942
+ 13
|
119,210
+ 2
|
197
- 1
|
8
|
ca.gov
|
54,890
+ 21
|
127,197
+ 70
|
220
|
9
|
epa.gov
|
53,124
+ 14
|
107,928
+ 4
|
229
|
10
|
state.gov
|
52,300
+ 50
|
103,751
+ 125
|
|
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Top Million Root Domains List generated on 22 May 2013 using data from the Fresh Index built on 22 May 2013 02:20 GMT 
