CF1761123653091-tsm20251017082432

MXLIST.NET - smtp.isr.umich.edu

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smtp.isr.umich.edu checked at 2025-10-22T09:00:53.079Z 112ms 36/36/36 100% R:12

smtp.isr.umich.edu

A141.211.32.27🇺🇸 UMICH-ASN1
PTRisr-32-27.isr.umich.edu
PTRmx1.isr.umich.edu
PTRsmtp1.isr.umich.edu
PTRtroas.isr.umich.edu
A141.211.32.28🇺🇸 UMICH-ASN1
PTRisr-32-28.isr.umich.edu
PTRmx0.isr.umich.edu
PTRsmtp0.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
A162.159.140.37 Cloudflare
A172.66.0.37🇺🇸 Cloudflare

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Starts with same word

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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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PUsFnMI CF johedugfp 2025-10-22