DNS Lookup API User Guide

WhoisXmlApi.com provides RESTful APIs. It is designed for server-to-server communication between your system and the WhoisXmlApi.com network using standard HTTP or HTTPS protocols. The query responses are delivered in either XML or JSON format based on your format request. Requests are made through HTTP GET/POST method.

To get started you need to have a developers account with WhoisXmlApi.com. Authentication is needed each time in order to use the API.

Making a Web Service Call for DNS API

Enter the link -

https://www.whoisxmlapi.com/whoisserver/DNSService?domainName=google.com&type=1&username=xxxxx&password=xxxxx

Supported input parameters

Parameters	Values
domainName	type the domain for which DNS data is required
type	Required dns type: A, NS, SOA, MX, … You can specify multiple types separated by comma, ex: A,SOA,TXT Also, we ca retrieve all records with type=_all
username	required, your account username
password	required, your account password
outputFormat	XML\|JSON (defaults to XML)

Usage of HTTP & HTTPS

You can use both http and https to make the API query. With HTTPs the connection would be more secure but slightly slower.

DNS types Supported

We support about fifty DNS type. You can request by DNS type code or DNS type name. Here is the list of DNS type with Name(code) :

Name	Code	Name	Code
A	1	GPOS	27
NS	2	AAAA	28
MD	3	LOC	29
MF	4	NXT	30
CNAME	5	EID	31
SOA	6	NIMLOC	32
MB	7	SRV	33
MG	8	ATMA	34
MR	9	NAPTR	35
NULL	10	KX	36
WKS	11	CERT	37
PTR	12	A6	38
HINFO	13	DNAME	39
MINFO	14	APL	42
MX	15	DS	43
TXT	16	SSHFP	44
RP	17	IPSECKEY	45
AFSDB	18	RRSIG	46
X25	19	NSEC	47
ISDN	20	DNSKEY	48
RT	21	DHCID	49
NSAP	22	NSEC3	50
NSAP_PTR	23	NSEC3PARAM	51
SIG	24	TLSA	52
KEY	25	ANY	255
PX	26	DLV	32769

Code Samples

Node.js code: Example

PHP code: Example

Python code: Example

Sample Output

XML

JSON