I had written XXXX to Equifax on XXXX XXXX via certified mail XXXX XXXX and XXXX XXXX concerning XXXX account by debt collectors XXXX XXXX XXXX account XXXX and XXXX Account XXXX. 

I had seek validation from XXXX through certified mail but did not received it. Tracking numbers are:XX/XX/2015 XXXX XXXX XXXXXX/XX/XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXXAlso XXXX XX/XX/2015 - XXXX XXXX XXXX XXXX XXXX XXXXI did not get any response from either that this debt is valid. I escalated this to Equifax, sending them copies of the letters I mailed to the collector as well as proof of delivery, and they responded with an automated response " We verified that this item belongs to you '' but did not validate the item or showed proofs that this debt is valid. It has passed more than 30 days since I requested validation and have not received it.