CF1759770738615-tsm20251005211530

WWW.ROBTEX.COM - fred.isr.umich.edu

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fred.isr.umich.edu checked at 2025-10-06T17:12:18.589Z 193ms 35/35/35 100% R:9

fred.isr.umich.edu

A141.211.33.231🇺🇸 UMICH-ASN1
PTRahrbstudy.isr.umich.edu
PTRccs.isr.umich.edu
PTRdawn24.isr.umich.edu
PTRdhcp-33-231.isr.umich.edu
PTRfred.isr.umich.edu
PTRhspd.isr.umich.edu
PTRmtfya.isr.umich.edu
PTRsandcovid.isr.umich.edu
PTRsrocfweb-site1.isr.umich.edu
PTRsrocfweb-site2.isr.umich.edu
PTRsrocfweb-site3.isr.umich.edu
PTRsrocfweb-site4.isr.umich.edu
PTRsrocfweb.isr.umich.edu
PTRsurvey-request-form.isr.umich.edu
PTRwaiss.isr.umich.edu
PTRyadl.isr.umich.edu

isr.umich.edu

NSdns3.umich.org
MXmx0.isr.umich.edu
MXmx1.isr.umich.edu
MXmx2.isr.umich.edu
NSdns1.itd.umich.edu
NSdns2.itd.umich.edu
A162.159.140.37Cloudflare
A172.66.0.37🇺🇸 Cloudflare

PTR for

Starts with same word

Starts similarily

AI analysis

fred.isr.umich.edu points to a single IP number: 141.211.33.231.

Other host names, for instance srocfweb-site4.isr.umich.edu, srocfweb-site3.isr.umich.edu, survey-request-form.isr.umich.edu, dhcp-33-231.isr.umich.edu and hspd.isr.umich.edu share IP numbers with fred.isr.umich.edu.

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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GFWhAYM CF johedugfp 2025-10-06