For successful command:
200 Command completed successfully
expiredate:2012-5-12
regdate:2011-5-12
status:ok,clientHold,clientDeleteProhibited,clientTransferProhibited,clientUpdateProhibited
ns1:xx.xxx.com
ns2:xxx.xxx.com
dom_fn:domainfirstname
dom_ln:domainlastname
dom_org:yourdomainorg
dom_adr1:domainaddress1
dom_adr2:domainaddress2
dom_ct:domaincity
dom_st:domainstate
dom_co:domaincountry
dom_pc:domainzipcode
dom_ph:domainphone
dom_em:domainemail
admi_fn:domainfirstname
admi_ln:domainlastname
admi_adr1:domainaddress1
admi_adr2:domainaddress2
admi_ct:domaincity
admi_st:domainstate
admi_co:domaincountry
admi_pc:domainzipcode
admi_ph:domainphone
admi_em:domainemail
tech_fn:domainfirstname
tech_ln:domainlastname
tech_adr1:domainaddress1
tech_adr2:domainaddress2
tech_ct:domaincity
tech_st:domainstate
tech_co:domaincountry
tech_pc:domainzipcode
tech_ph:domainphone
tech_em:domainemail
bill_fn:domainfirstname
bill_ln:domainlastname
bill_adr1:domainaddress1
bill_adr2:domainaddress2
bill_ct:domaincity
bill_st:domainstate
bill_co:domaincountry
bill_pc:domainzipcode
bill_ph:domainphone
bill_em:domainemail

For missing attribute:
504 Missing required attribute
Message: Missing Attribute

For wrong attribute(such as wrong domain name):
505 Invalid attribute value syntax

For system is busy:
521 System is busy, try again later

For failed authorization:
531 Authorization failed

For no authorization to modify the domain:
529 Operating Entity is not exist or Authorization failed