dc

Domain component as described in RFC 1274, where each attribute value holds one component, or label, of a DNS domain name. A value of this attribute is a string of ASCII characters following this ABNF:

label = (ALPHA / DIGIT) [*61(ALPHA / DIGIT / HYPHEN) (ALPHA / DIGIT)]
ALPHA   = %x41-5A / %x61-7A     ; "A"-"Z" / "a"-"z"
DIGIT   = %x30-39               ; "0"-"9"
HYPHEN  = %x2D                  ; hyphen ("-")

Examples: example, com (but not example.com)

Origin	RFC 4519
Usage	userApplications
OID	0.9.2342.19200300.100.1.25
Substring Matching Rule	caseIgnoreIA5SubstringsMatch
Equality Matching Rule	caseIgnoreIA5Match
Single Value	true
Names	dc, domainComponent
Ordering Matching Rule	caseIgnoreOrderingMatch
User Modification Allowed	true
Used By	dNSDomain, dcObject, domain, rFC822LocalPart, untypedObject
Schema File	00-core.ldif
Syntax	IA5 String