| Rank | Host | Total Domains | Percent |
|---|---|---|---|
| 1 | Clovis Unified School District | 1 | 100.0% |
| 2 | Walnut Valley Unified School... | 1 | 100.0% |
| 3 | West Corporation | 1 | 100.0% |
| 4 | ZCORUM | 1 | 100.0% |
| 5 | Mendocino County Office of E... | 1 | 100.0% |
| 6 | Sonoma County Office of Educ... | 1 | 100.0% |
| 7 | Merced County Office of Educ... | 1 | 100.0% |
| 8 | San Bernardino County Superi... | 1 | 100.0% |
| 9 | Santa Clara County Office of... | 1 | 100.0% |
| 10 | San Mateo County Office of E... | 1 | 100.0% |
| 11 | San Joaquin County Office of... | 1 | 100.0% |
| 12 | Wix.com | 1 | 100.0% |
| 13 | Sacramento County Office of ... | 1 | 100.0% |
| 14 | Squarespace, Inc. | 1 | 100.0% |
| 15 | California State University | 1 | 100.0% |
| 16 | Zayo Group | 1 | 100.0% |
| 17 | Charter Spectrum | 1 | 100.0% |
| 18 | F5 | 1 | 100.0% |
| 19 | Newfold Digital | 1 | 100.0% |
| 20 | Lumen | 1 | 100.0% |
| 21 | AT&T | 1 | 100.0% |
| 22 | Media Temple, Inc. | 1 | 100.0% |
| 23 | InMotion Hosting, Inc. | 1 | 100.0% |
| 24 | Microsoft Corporation | 1 | 100.0% |
| 25 | GoDaddy | 1 | 100.0% |
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