WWW.RTSAK.COM - sfwhost.harpercollins.com
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sfwhost.harpercollins.com checked at 2025-10-23T23:55:40.586Z 482ms 22/22/22 100% R:13sfwhost.harpercollins.com
| A | 4.7.13.4🇺🇸 Lumen AS3356 | ||||||
harpercollins.com
| MX | mxa-00596a01.gslb.pphosted.com | ||||||
| MX | mxb-00596a01.gslb.pphosted.com | ||||||
| NS | dbru.br.ns.els-gms.att.net | ||||||
| NS | dmtu.mt.ns.els-gms.att.net | ||||||
| A | 23.227.38.65🇨🇦 Cloudflare | ||||||
rank #1303 in the tld
Starts similarily
AI analysis
sfwhost.harpercollins.com resolves to one IP number: 4.7.13.4.
dbq