.arpa Top Level Domain Reference
infrastructure delegated.arpa is an authoritative top-level domain administered by Internet Architecture Board (IAB).
.arpa Key Facts
- .arpa is an authoritative top-level domain administered by Internet Architecture Board (IAB).
- Classified as infrastructure 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 | Internet Architecture Board (IAB) | Contracted Registry Operator | Global | https://www.iana.org/domains/root/db/arpa.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 .arpa.
Registry Operational Timeline
| Date | Event Type | Description | Authoritative Source |
|---|
Authoritative Root Nameservers and Registry Endpoints
Root Delegation Nameservers
- a.nic.arpa 192.0.2.1
- b.nic.arpa 192.0.2.2
Directory Registration Services
- WHOIS Server: whois.nic.arpa
- RDAP Endpoint: https://rdap.nic.arpa
- IANA Delegation Record: iana.org/domains/root/db/arpa.html