Tech Stack
harpercollins.com
DNS Provider
Not detected
NS: dmtu.mt.ns.els-gms.att.net
NS: dbru.br.ns.els-gms.att.net
Email Provider
Proofpoint
MX (priority 5): mxa-00596a01.gslb.pphosted.com
MX (priority 5): mxb-00596a01.gslb.pphosted.com
CDN
Not detected
Hosting
Cloudflare
IP: 23.227.38.65
ASN: AS13335
ASN name: Cloudflare, Inc.
Web Server
Cloudflare
Server header: cloudflare
Framework
Not detected
Third-Party Verifications
Google Search ConsoleAtlassianDocuSign
Detected from TXT records — these indicate the domain owner has verified with the listed service.