CNNIC Reverse Phase Address Resolution Request Method _ Server

Reverse parsing FAQ

1. What kind of reverse analysis can cnnic do?
A: CNNIC is responsible for the CNNIC issued by the IP address of the reverse resolution. The reverse domain name resolution is conducted on a per-16 or/24 basis, provided that the member applies.

2. For the IP address that is not cnnic issued, can cnnic do reverse parsing?
A: For the IP address that is not issued by CNNIC, CNNIC cannot do reverse parsing for it.

3. Can cnnic solve a specific IP address in reverse?
A: If our member's client presents a reverse resolution request for a separate IP address to the member, please fill in the "Reverse analysis of the application form", to us/24 (Class C) Reverse parsing request, after we have resolved, our members to their customers further for the separate IP address of the reverse analysis. We are responsible for CNNIC members to do the reverse analysis, the member is responsible for their customers to do reverse analysis.

4. How long is the reverse parsing request processing time?
Answer: Cnnic received the member submitted "Reverse analysis of the application form", will reply to inform members that we have begun to accept, about 1 to 2 working days, we will send a letter to inform members of the reverse analysis has been done, please test the results of their analysis, if two working days after still be our notice, Please call to inquire: 010-62619750 turn "technology Department IP Group".

5. How to query reverse resolution is effective?
A: Members can use the command prompt (CMD) to query the reverse resolution of the effect:
Taking 159.226.6.0/24 as an example
1) nslookup
2) Lserver 159.226.1.8
3) 6.226.159.in-addr.arpa
If the parse succeeds, the server information will appear when the above command is entered.