We identified 7 domains pointing to 52.21.243.5.
| Domain | IPv4 | IPv6 | MX and NS |
|---|---|---|---|
| support.hmhco.com. | 18.214.219.215 ec2-18-214-219-215.compute-1.amazonaws.com 34.202.106.108 ec2-34-202-106-108.compute-1.amazonaws.com 52.21.243.5 ec2-52-21-243-5.compute-1.amazonaws.com | support.hmhco.com.00d30000000021neaa.live.siteforce.com. support-v1.prod.webpr.hmhco.com. | |
| classzone.com. | 52.21.243.5 ec2-52-21-243-5.compute-1.amazonaws.com 54.158.148.190 ec2-54-158-148-190.compute-1.amazonaws.com 54.160.194.43 ec2-54-160-194-43.compute-1.amazonaws.com | ||
| channelone.com. | 18.214.219.215 ec2-18-214-219-215.compute-1.amazonaws.com 34.202.106.108 ec2-34-202-106-108.compute-1.amazonaws.com 52.21.243.5 ec2-52-21-243-5.compute-1.amazonaws.com | us-smtp-inbound-1.mimecast.com. us-smtp-inbound-2.mimecast.com. | |
| hmco.com. | 18.214.219.215 ec2-18-214-219-215.compute-1.amazonaws.com 34.202.106.108 ec2-34-202-106-108.compute-1.amazonaws.com 52.21.243.5 ec2-52-21-243-5.compute-1.amazonaws.com | us-smtp-inbound-1.mimecast.com. us-smtp-inbound-2.mimecast.com. | |
| www.hmhbooks.com. | 18.214.219.215 ec2-18-214-219-215.compute-1.amazonaws.com 34.202.106.108 ec2-34-202-106-108.compute-1.amazonaws.com 52.21.243.5 ec2-52-21-243-5.compute-1.amazonaws.com | ||
| hmcurrentevents.com. | 52.21.243.5 ec2-52-21-243-5.compute-1.amazonaws.com 54.158.148.190 ec2-54-158-148-190.compute-1.amazonaws.com 54.160.194.43 ec2-54-160-194-43.compute-1.amazonaws.com | ||
| saxonpublishers.harcourtachieve.com. | 18.214.219.215 ec2-18-214-219-215.compute-1.amazonaws.com 34.202.106.108 ec2-34-202-106-108.compute-1.amazonaws.com 52.21.243.5 ec2-52-21-243-5.compute-1.amazonaws.com |