Get resolved IP and TTL value through gethostbyname

Question

I want to send a dns request through gethostbyname() and want to store resolved IP and TTL value in dns response through c or c++ code.

Can someone please suggest me any code . I am getting resolved IP throught gethostbyname() system calls. But don't know, how to get correspondig TTL value also.

score 0 · Answer 1 · answered May 04 '14 at 09:29

0

I suggest you use dns protocol directly to resolve hostname to ip. the response of the dns request contains ttl field.

answered May 04 '14 at 09:29

Xing Fei

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Hi Xing, Can u please suggest me some codes for that – user2706152 May 04 '14 at 09:46
maybe this would help http://stackoverflow.com/questions/1128409/how-might-i-perform-dns-lookups-using-c-c-on-linux – Xing Fei May 04 '14 at 09:51

Get resolved IP and TTL value through gethostbyname

1 Answers1