DNS repository domain information for porthos.instructure.com. It is categorized as Business, points to the IPv4 address(ess): cluster1.instructure.com. canvas-iad-prod-c1-1262762608.us-east-1.elb.amazonaws.com. 52.71.175.14 54.88.202.56 44.207.160.239 and we have 2 historical record(s) for it.