mail.tippingpoint.com.  	3599	IN  	CNAME	smtp.hp.com.
mail.tippingpoint.com.  	600	IN  	CNAME	SMTP1.hp.com.
mail.tippingpoint.com.  	600	IN  	CNAME	smtp1.glb1.hp.com.

mail.tippingpoint.com.  	30	IN  	A	15.72.64.134
mail.tippingpoint.com.  	30	IN  	A	15.72.64.135
mail.tippingpoint.com.  	30	IN  	A	15.73.128.137
mail.tippingpoint.com.  	30	IN  	A	15.73.128.143