CF1760836407641-tsm20251017082432

IPLIST.NET - e.harpercollins.com

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e.harpercollins.com checked at 2025-10-19T01:13:27.622Z 496ms 49/49/49 100% R:15

e.harpercollins.com

MXmail3871.e.harpercollins.com
A74.121.51.102🇺🇸 Amazon
PTRmail3871.e.harpercollins.com
MXreply.e.harpercollins.com
A74.112.69.40
PTRpod2.silverpop.com
A23.20.66.118🇺🇸 Amazon
PTRec2-23-20-66-118.compute-1.amazonaws.com

harpercollins.com

MXmxa-00596a01.gslb.pphosted.com
MXmxb-00596a01.gslb.pphosted.com
NSdbru.br.ns.els-gms.att.net
NSdmtu.mt.ns.els-gms.att.net
A23.227.38.65🇨🇦 Cloudflare
rank #2401 globally
rank #1303 in the tld

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AI analysis

e.harpercollins.com is a parent of reply.e.harpercollins.com and mail3871.e.harpercollins.com.

e.harpercollins.com points to a single IP: 23.20.66.118.

Other host names, such as ec2-23-20-66-118.compute-1.amazonaws.com, share IP numbers with e.harpercollins.com.

e.harpercollins.com is handled by two mail servers: mail3871.e.harpercollins.com and reply.e.harpercollins.com.

e.harpercollins.com shares at least partially some mail servers with other domains, for instance reply.e.harpercollins.com and mail3871.e.harpercollins.com.

Host names with one IP number: The host name mail3871.e.harpercollins.com points to 74.121.51.102 and the host name reply.e.harpercollins.com points to 74.112.69.40.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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