Forum Moderators: open
This rDNS could be forged since hostname mx-ll-202.69.141-**.static.tttmaxnet.com does not exist, however the registrant is "Maxnet, Internet Service Provider, Bangkok" which matches up.
Comment in UA string:
(A non-profit search engine for the benefit of charity.; http://www.isara.org; search@isara.org)
No bot info page at isara.org that I could find so unclear what is done with the harvested data. However maxnet.co.th is a Thai broadband provider which may offer search, but their ISP web site is difficult to translate due to mostly images and flash.