Reverse DNS Lookup
Find the reverse DNS entry (PTR) for a given IP. This is generally the server or host name.
URL
https://api.viewdns.info/reversedns/
Parameters
ip - the IP address to retrieve the reverse DNS record for
output - the output format required ('xml' or 'json')
apikey - your api key
Sample Query
ip: 199.59.148.10
GET https://api.viewdns.info/reversedns/?ip=199.59.148.10&apikey=yourapikey&output=output_type
XML Response (output=xml)
<?xml version='1.0' encoding='ISO-8859-1'?>
<viewdns>
<query>
<tool>reversedns_PRO</tool>
<ip>199.59.148.10</ip>
</query>
<response>
<rdns>r-199-59-148-10.twttr.com</rdns>
</response>
</viewdns>
JSON Response (output=json)
{
"query": {
"tool": "reversedns_PRO",
"ip": "199.59.148.10"
},
"response": {
"rdns": "r-199-59-148-10.twttr.com"
}
}