.bio Domain Names

.bio Domain Names

.BIO can be used as a domain name extension for a multitude of different industries, sciences, and studies, including biology, biography, biophysics, biospheres, biotechnology, and biopic. Because .BIO represents a complex prefix – the Greek root that can be found in the words of over six different languages – .BIO offers an internationally recognized and expansive TLD for broad use. .BIO is perfect for researchers, scientists, directors, writers, and historians alike.

.bio Domain Registry Information


.bio Domain Name Format

Minimum Length 2 characters
Maximum Length 63 characters
Numbers Allowed (full-numeric)
Hyphen Allowed (middle only)
IDN Supported Not allowed

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