DNS repository domain information for mailrelay.insperity.com. It is categorized as Business, points to the IPv4 address(ess): smtp.sparkpostmail.com. 34.212.48.99 35.162.2.188 52.43.188.23 35.164.25.113 50.112.153.167 34.208.128.116 and we have 1 historical record(s) for it.