Who is Sedo?
Sedo is a domain marketplace and parking service from Cologne, Germany; the name stands for “Search Engine for Domain Offers”. It has been part of the United Internet group since 2001, and Sedo GmbH today belongs to the group’s IONOS Group SE. Its US company, Sedo.com LLC in Cambridge, Massachusetts, is an ICANN-accredited registrar.
- What it is
- Domain aftermarket, Domain parking, Domain registrar
- Operated by
- Sedo GmbH (Cologne) and Sedo.com LLC (Cambridge, Massachusetts)
- Part of
- IONOS Group SE, United Internet
- Part of United Internet since
- 2001
- ICANN accreditation
- Yes, Sedo.com LLC, IANA ID 1372
- Website
- sedo.com
Where is Sedo based?
Its head office is in Cologne, Germany (Sedo GmbH, Im Mediapark 6B), and its US company is in Cambridge, Massachusetts.
What does Sedo do?
It runs a marketplace for buying and selling domains, appraises them, and pays owners for parked domains that show ads. Parked and for-sale names point to its nameservers, which is how Sedo appears in Analytics.
Sedo in axath Analytics
Analytics reads the zone files of more than 350 extensions every day and shows which providers gain and lose names, including Sedo.
Open AnalyticsSources
- Sedo: About us
- Sedo: Imprint (Sedo GmbH)
- United Internet: Sedo brand page
- IANA: Registrar IDs (ICANN-accredited registrars)
Last reviewed October 9, 2026.