CF1759911597982-tsm20251005211530

DNSWHOIS.INFO - net.isc.upenn.edu

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net.isc.upenn.edu checked at 2025-10-08T08:19:57.963Z 65ms 20/20/20 100% R:11

net.isc.upenn.edu

isc.upenn.edu

MXmxa-00390e01.gslb.pphosted.com
MXmxb-00390e01.gslb.pphosted.com
A2620:12a:8000::4 🇺🇸 Fastly
A2620:12a:8001::4 🇺🇸 Fastly
A23.185.0.4🇺🇸 Fastly

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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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cxsllKt CF johedugfp 2025-10-08