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Domain zone rules for .us

On this page you will find detailed information about the general domain name zone rules and contact requirements. A listed set of contact fields is expected at the time of domain name registration or transfer.
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•︎ namestore constant | Namestore 
Expected value: gdd
Namestore is a virtual bucket for a contact; some domain zones accept any Namestore, while others impose specific value to be provided.
•︎ firstName string (2, 50, en) | First name 
•︎ lastName string (2, 50, en) | Last name 
•︎ email email | Email 
•︎ countryCode country (ISO 3166-1 alpha-2) | Country 
Supported: US
•︎ city string (3, 50, en) | City 
•︎ address1 string (4, 250, en) | Street, number, block, apartment 
•︎ zip zip | Postal code (zip) 
•︎ state state (en) | State (province, region) 
Required for countries: IT, BR, GB, IE, CA, JP, MX, US, ES, AU, UA, PL, IN
As code for countries: IT, BR, GB, IE, CA, JP, MX, US, ES, AU, UA, PL, IN
•︎ phoneNumber phone (+1.1234567890) | Phone number 
•︎ fax phone (+1.1234567890) | Fax number 
•︎ nexusCategory select | Registrant type 
Values:
c11 Individual, U.S. citizen
c12 Individual, permanent resident of the United States
c21 Organization registered in the United States
c31 Organization doing business in the United States
c32 Organization with an office in the USA
•︎ applicantPurpose select | Purpose of registration 
Values:
p1 Business for profit
p2 Non-profit business, club, association, etc.
p3 Personal use
p4 Education purposes
p5 Government purposes
Registry:Registry Services, LLC
Registry admin:[email protected]
Registry tech:[email protected]
Registry WHOIS:whois.nic.us
Years of registration:1, 2, 3, 4, 5, 6, 7, 8, 9, 10
Renewal years:1, 2, 3, 4, 5, 6, 7, 8, 9
Grace period days:40
Redemption period days:30
Lock supported:Yes
Nameservers check:No
Maximum hosts:25
IPs per host:12 IPs (IPv4 & IPv6)
IDN supported:No
IDN Tags:
DNSSEC algorithms:6, 8, 10, 12, 13, 14