It seems like Telkom’s server is blacklisted.
http://www.dnsstuff.com/tools/ip4r.ch?ip=196.25.240.74&token=0680416088860e820b40f3722321f019
http://www.dnsstuff.com/tools/ip4r.ch?ip=196.25.240.77&token=06e02aea7556015c0160667d23261019
http://www.dnsstuff.com/tools/ip4r.ch?ip=196.25.240.87&token=068074052e690a440850417027572019
http://www.dnsstuff.com/tools/ip4r.ch?ip=196.25.240.74&token=0680416088860e820b40f3722321f019
http://www.dnsstuff.com/tools/ip4r.ch?ip=196.25.240.77&token=06e02aea7556015c0160667d23261019
http://www.dnsstuff.com/tools/ip4r.ch?ip=196.25.240.87&token=068074052e690a440850417027572019