What is .fresenius?
Brand TLDs operate under Specification 13 of ICANN's registry agreement. It lets a trademark owner keep every second-level name for itself, so you won't find .fresenius names for sale at any registrar.
ICANN's records put the delegation of .fresenius on January 9, 2016. Like most of the newer endings, it was applied for in the 2012 New gTLD Program round and its registry agreement was signed on July 30, 2015.
Under the hood, the root zone points to 4 name servers for .fresenius, every one of them reachable over IPv6. The delegation is DNSSEC-signed, so resolvers can verify that answers for .fresenius haven't been tampered with on the way. Registration data is published over RDAP and WHOIS (the WHOIS server is whois.nic.fresenius).
.fresenius FAQ
What country is .fresenius?
None. .fresenius is a generic top-level domain, so it isn't tied to any country.
Who owns the .fresenius domain extension?
Fresenius Immobilien-Verwaltungs-GmbH operates .fresenius as its registry, under a registry agreement with ICANN.
When was .fresenius created?
.fresenius was delegated to the DNS root zone on January 9, 2016.
Is .fresenius a valid domain?
Yes. .fresenius is an active top-level domain in the DNS root zone, delegated in 2016, so .fresenius addresses work in every browser.
Can I buy a .fresenius domain?
No. .fresenius is a brand TLD under ICANN Specification 13, so names are reserved for Fresenius Immobilien-Verwaltungs-GmbH.
Is .fresenius DNSSEC-signed?
Yes, the root zone holds a DS record for .fresenius.
Sources
Data from IANA root zone version 2026102000. Last changed November 6, 2023. Spotted something wrong? Tell us.
