diff --git a/libsubfinder/engines/passive/passive.go b/libsubfinder/engines/passive/passive.go
index 5d265e5..7157723 100644
--- a/libsubfinder/engines/passive/passive.go
+++ b/libsubfinder/engines/passive/passive.go
@@ -22,6 +22,7 @@ import (
 	"subfinder/libsubfinder/sources/findsubdomains"
 	"subfinder/libsubfinder/sources/dnsdumpster"
 	"subfinder/libsubfinder/sources/passivetotal"
+	"subfinder/libsubfinder/sources/ptrarchive"
 	"subfinder/libsubfinder/sources/threatcrowd"
 	"subfinder/libsubfinder/sources/virustotal"
 	"subfinder/libsubfinder/sources/netcraft"
@@ -37,11 +38,12 @@ func PassiveDiscovery(state *helper.State) (finalPassiveSubdomains []string) {
 	fmt.Printf("\n[-] Searching For Subdomains in Findsubdomains")
 	fmt.Printf("\n[-] Searching For Subdomains in DNSDumpster")
 	fmt.Printf("\n[-] Searching For Subdomains in PassiveTotal")
+	fmt.Printf("\n[-] Searching For Subdomains in PTRArchive")
 	fmt.Printf("\n[-] Searching For Subdomains in Hackertarget")
 	fmt.Printf("\n[-] Searching For Subdomains in Virustotal")
 	fmt.Printf("\n[-] Searching For Subdomains in Netcraft\n")
 
-	ch := make(chan helper.Result, 9)
+	ch := make(chan helper.Result, 10)
 
 	// Create goroutines for added speed and recieve data via channels
 	go crtsh.Query(state, ch)
@@ -50,12 +52,13 @@ func PassiveDiscovery(state *helper.State) (finalPassiveSubdomains []string) {
 	go findsubdomains.Query(state, ch)
 	go dnsdumpster.Query(state, ch)
 	go passivetotal.Query(state, ch)
+	go ptrarchive.Query(state, ch)
 	go threatcrowd.Query(state, ch)
 	go virustotal.Query(state, ch)
 	go netcraft.Query(state, ch)
 
 	// recieve data from all goroutines running
-	for i := 1; i <= 9; i++ {
+	for i := 1; i <= 10; i++ {
 		result := <-ch
 
 		if result.Error != nil {
diff --git a/libsubfinder/sources/passivetotal/passivetotal.go b/libsubfinder/sources/passivetotal/passivetotal.go
index 4bb4913..8bcf61c 100644
--- a/libsubfinder/sources/passivetotal/passivetotal.go
+++ b/libsubfinder/sources/passivetotal/passivetotal.go
@@ -98,4 +98,9 @@ func Query(state *helper.State, ch chan helper.Result) {
 		result.Error = nil
 		ch <-result
 	}
+
+	result.Subdomains = subdomains
+	result.Error = nil
+	ch <- result
+	return
 }
diff --git a/libsubfinder/sources/ptrarchive/ptrarchive.go b/libsubfinder/sources/ptrarchive/ptrarchive.go
new file mode 100644
index 0000000..5fe5e1e
--- /dev/null
+++ b/libsubfinder/sources/ptrarchive/ptrarchive.go
@@ -0,0 +1,78 @@
+// 
+// ptrarchive.go : A PTRArchive subdomain parser in golang
+// Written By : @ice3man (Nizamul Rana)
+// 
+// Distributed Under MIT License
+// Copyrights (C) 2018 Ice3man
+//
+
+package ptrarchive
+
+import (
+	"io/ioutil"
+	"fmt"
+	"regexp"
+
+	"subfinder/libsubfinder/helper"
+)
+
+// all subdomains found
+var subdomains []string 
+
+// 
+// Query : Queries awesome DNSDumpster service for subdomains
+// @param state : current application state, holds all information found
+//
+func Query(state *helper.State, ch chan helper.Result) {
+
+	var result helper.Result
+	result.Subdomains = subdomains
+
+	// Make a http request to Netcraft
+	resp, err := helper.GetHTTPResponse("http://ptrarchive.com/tools/search2.htm?label="+state.Domain+"&date=ALL", state.Timeout)
+	if err != nil {
+		result.Error = err
+		ch <- result
+		return
+	}
+
+    // Get the response body
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		result.Error = err
+		ch <- result
+		return
+	}
+
+	src := string(body)
+
+	// Parse Subdomains found
+	Regex, _ := regexp.Compile("] (.*) \\[")
+	match := Regex.FindAllStringSubmatch(src, -1)
+    
+    // String to hold initial subdomains
+    var initialSubs []string
+
+   	for _, data := range match {
+   		initialSubs = append(initialSubs, data[1])
+	}
+
+	validSubdomains := helper.Validate(state, initialSubs)
+
+	for _, subdomain := range validSubdomains {
+		if state.Verbose == true {
+			if state.Color == true {
+				fmt.Printf("\n[%sPTRARCHIVE%s] %s", helper.Red, helper.Reset, subdomain)
+			} else {
+				fmt.Printf("\n[PTRARCHIVE] %s", subdomains)
+			}
+		}
+
+		subdomains = append(subdomains, subdomain)
+    }
+
+
+  	result.Subdomains = subdomains
+	result.Error = nil
+	ch <-result
+}