.phd — 2,458 registered domains

.phd had 2,458 registered domains as of 2026-05 (+8.81% YoY). Operator: Charleston Road Registry Inc.. Full monthly history since 2017-06, from the ICANN Monthly Registry Report.

As of 2026-05, .phd had 2,458 registered domains, up 2.6% from the previous month and up 8.8% year-over-year, according to ICANN's Monthly Registry Report. Full monthly history is available since 2017-06.

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