Procedure to check DNS records before pointing the nameserver to your Hosting Company

* Click on Start -> Run
* Type cmd and press enter

* Type

C:\>nslookup (Press enter)

>server ns1.wiplon.com (One of Hosting company Nameserver) – Press Enter

* To Check MX Record

>set type=mx (Press Enter)
>yourdomain.com (Press Enter)

* To Check A Record

>set type=A (Press Enter)
>yourdomain.com (Press Enter)

I am using google mail services. How can I add SPF record for my domain.

In Helm CP (Windows)

* Login into helm cp
* Open yourdomain.com domain
* Open DNS Zone editor
* Click on Add new
* Add txt record as per following:
Record Type: TXT (Text Data Record) 
Record Name: @   
Record Data: v=spf1 mx a:nf-out-0910.google.com a:wa-out-1112.google.com -all
* Delete all existing txt records.

In WHM (Linux)

* Login into WHM
* Click on Edit DNS Zone under DNS Functions
* Type your domain name and click on edit
* Go down to Add New Entries Below this Line
* Enter your domain name
* Select TXT  
* copy: v=spf1 mx a:nf-out-0910.google.com a:wa-out-1112.google.com -all in blank text field
* Delete all existing txt records.