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1. Restrictive Conditions of Registration between Record Types
 

•In case of using same types as duplicate, registration is not available if the host value is same.
 

-A(AAAA), MX, TXT, NS, PTR  : Registration is not available if host value is same (but, registration is available if data is different).
ex 1) After registering www(host)/A(type)/600(ttl)/192.168.1.1(data), www(host)/A(type)/600(ttl)/192.168.1.1(data) registration is not available.
ex 2) After registering www(host)/A(type)/600(ttl)/192.168.1.1(data), www(host)/A(type)/600(ttl)/192.168.1.2(data) registration is available.
 

-CNAME, A-Alias, URL, Framed URL : Even if data values are different, registration is not available if the host values are same.
ex) After registering naver.com/CNAME/600/www.naver.com, naver.com/CNAME/600/www1.naver.com registration is not available.
 

•Even if using different record types, registration is not available if the host values are same (A(or AAAA), CNAME, A-Alias, URL, Framed URL).
ex 1) After registering naver.com/CNAME/600/www.naver.com, naver.com/URL/600/www.naver.com registration is not available.
ex 2) After registering www/A/600/192.168.1.1, www/AAAA/600/FF:FF:FF:FF:FF:FF:FF:FF registration is available (Not applicable to the conditions).
 

•In case of A-Alias type, registration is unavailable if the entered domain name is not in the account.
ex) When the domain name, test.com, is entered to Data, there must be test.com in the Domain List that the user has.

 
 

2. Conditions of Host Entry
 

Please refer to the following conditions of entry for entering host on Record Settings page.
 

 

 
Other Conditions of Entry
 

•PTR Type and others (A(AAAA), CNAME, A-Alias, TXT, URL, Framed URL, MX, NS)
- Hyphen (-) cannot be used at the first and the last of the characters.
- Each label can be entered from 1 to 63 (byte) characters.
 ※ Between dot(.)s for domain name address
- Hangeul can be entered up to 18 characters (36 byte), and cannot be used alphabets and numbers with.
- Labels can be entered up to 10.
- @and * are appreciated as space and wildcard for each, and they only can be entered sole (cannot be entered with other characters).
 

•PTR Type : It is composed in reverse order of IP, and contains the version information at the end of the label.
- IPv4 : It is composed in reverse order of IP(4 labels).
 ex. 168.126.63.1 → 1.63.126.168.in-addr.arpa
- IPv6 : It includes the version information at the end of the label, with composing in reverse order of IP but including octet to each number.
ex. 2001:0DB8:0000:0000:0000:0000:1428:57ab → b.a.7.5.8.2.4.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa

 
 

3. Conditions of Data Entry
 

The conditions of data entry for record types are as follow.
 

 

 
Other Conditions of Entry
 

•1-63 characters per label can be entered for CNAME, A-Alias, PTR, NS, URL, Framed URL and MX types.
 

•For MX, one more separate field, which can enter Priority, is created, and only numbers between 1 to 99 can be entered for this field.
 

•In case of URL and Framed URL, parameter (Path, ?query,#fragment) can be followed after the domain name, and special characters (- _ : % / # . ? = & +) can be used only for parameters.
※ scheme:[//host[:port]][/]path[?query][#fragment] ] → ex : www.innogs.com:80/cafe?a=a+b
  (scheme format is only available with http, https.)
 

•.(period) cannot be entered at the very first of URL, but can be entered at the very end.
※ However, .(period) cannot be entered right after /.