- Category
- Brand
- IANA type
- Generic
- Manager
- Temasek Holdings (Private) Limited
- Script
- Han
- Delegated
- 2015-01-24
- DS in root
- 1 record(s)
- Algorithm
- 8 · RSASHA256
- IDN names
- no IDN tables at IANA
- WHOIS
- whois.nic.xn--b4w605ferd
- RDAP
- yes
Checked 26 Oct 2026 by our weekly check.
Is a .淡马锡 name registered?
Looked up from your browser in the registry's RDAP service; if that does not answer, in DNS. Nothing is stored on dnssec.in.What this means
The root zone holds a DS record for .淡马锡, so the extension is signed and anchored. A domain under .淡马锡 can use DNSSEC with a full chain of trust: it needs to be signed at its DNS host and have its own DS at the registrar. .淡马锡 is a brand extension: only Temasek Holdings (Private) Limited registers names under it. See popular sites on brand extensions.
IDN names under .淡马锡
No IDN tables for .淡马锡 at IANA: names are usually ASCII only (a–z, 0–9 and hyphen).
Length
DNS limits are the same everywhere: each label is 1 to 63 characters, the whole name at most 253, letters, digits and hyphens, not starting or ending with a hyphen. IDN labels count their xn-- form, so fewer native characters fit. A registry can set a higher minimum (often 2 or 3 characters) or reserve short names: that is in its own policy.
WHOIS and RDAP
RDAP (the JSON successor to WHOIS) answers at https://rdap.identitydigital.services/rdap/. Classic WHOIS (port 43) answers at whois.nic.xn--b4w605ferd. For most gTLD names the owner's contact details are redacted for privacy; the registrar, dates and status are public.
Lifecycle and drop
Names under this extension are held by the brand owner. They are not sold to the public, so there is no public expiry or drop cycle.