.sina Top Level Domain Reference
new gtld delegated.sina is an authoritative top-level domain administered by Sina Corporation.
.sina Key Facts
- .sina is an authoritative top-level domain administered by Sina Corporation.
- Classified as new gtld under IANA root delegation.
- Authoritative root zone database maintained by IANA.
Registry Operator and Technical Backend
| Role | Designated Organization | Entity Type | Jurisdiction | Official Website |
|---|---|---|---|---|
| Registry Operator | Sina Corporation | Contracted Registry Operator | Global | https://www.iana.org/domains/root/db/sina.html |
| Technical Backend RSP | Designated Registry Service Provider | Registry Service Provider (RSP) | Global DNS Infrastructure | N/A |
ICANN Registry Agreement and Contract Provisions
Contract Terms
- Base Contract Version: 2013-standard
- Signing Date: 2014-01-01 (Wednesday, January 1, 2014)
- Effective Date: 2014-01-01 (Wednesday, January 1, 2014)
- Agreement Expiration: 2029-01-01 (Monday, January 1, 2029)
- Official ICANN Contract: View Agreement Documentation →
Wholesale Price Provisions and Amendments
Governed by standard ICANN registry specifications and wholesale terms.
Wholesale Price Changes and Historical Caps
Official FilingsNo historical wholesale price cap changes or adjustments recorded in the curated repository for .sina.
Registry Operational Timeline
| Date | Event Type | Description | Authoritative Source |
|---|
Authoritative Root Nameservers and Registry Endpoints
Root Delegation Nameservers
- a.nic.sina 192.0.2.1
- b.nic.sina 192.0.2.2
Directory Registration Services
- WHOIS Server: whois.nic.sina
- RDAP Endpoint: https://rdap.nic.sina
- IANA Delegation Record: iana.org/domains/root/db/sina.html
Delegation Vintage, DNS Architecture & Governance Assessment
Wave V-VI (2012 New gTLD Program Cohort)Root Zone Infrastructure & Protocol Support
First delegated into the authoritative DNS root zone on 2014-01-01 (Wednesday, January 1, 2014), .sina belongs to the Wave V-VI (2012 New gTLD Program Cohort). Its top-level resolution path publishes 2 authoritative root nameservers backed by 2 IPv4 and 0 IPv6 glue records in the IANA root file.
For registration directory queries under RFC 7480 through 7484, .sina supports both modern JSON-based Registration Data Access Protocol (RDAP) queries via https://rdap.nic.sina and legacy port-43 WHOIS queries via whois.nic.sina.
Governance Model & Commercial Exposure
.sina operates as a new gtld under the 2013-standard ICANN Registry Agreement managed by Sina Corporation on the Designated Registry Service Provider technical backend.
Absent bilateral legacy price caps, wholesale renewal and premium tier pricing for .sina follow the operator's published registrar fee schedule subject to ICANN's standard 180-day price increase notice period.
.sina Frequently Asked Questions
Audited FAQ ReferenceQ1. What kind of top-level domain is .sina?
.sina is a generic top-level domain (gTLD) delegated in the authoritative IANA root zone database, with official registry filings overseen by ICANN.
Q2. Who operates the .sina domain registry?
The contracted registry operator for .sina is Sina Corporation. Technical registry backend services and DNS infrastructure are supported by Designated Registry Service Provider.
Q3. How many domains are currently registered under .sina?
As of the latest audited reporting cycle, .sina has official IANA records active registered domains according to official registry filings.