CF1759833905024-tsm20251005211530

DNSWHOIS.INFO - ldc.upenn.edu

Search for IP or hostnames:

ldc.upenn.edu checked at 2025-10-07T10:45:05.008Z 1490ms 57/57/57 100% R:10

ldc.upenn.edu

MXmx3.ldc.upenn.edu
A23.23.65.49🇺🇸 Amazon
PTRmx3.ldc.upenn.edu
MXmxb.ldc.upenn.edu
A128.91.252.55🇺🇸 UPENN
PTRmxb.ldc.upenn.edu
MXratatosk.ldc.upenn.edu
A128.91.252.5🇺🇸 UPENN
PTRratatosk.ldc.upenn.edu
A128.91.234.121🇺🇸 UPENN
PTRldc.upenn.edu

upenn.edu

NSdns1.udel.edu
NSdns2.udel.edu
NSadns4.upenn.edu
NSadns5.upenn.edu
NSadns6.upenn.edu
MXmxa-00390e01.gslb.pphosted.com
MXmxb-00390e01.gslb.pphosted.com
NSadns1.nnn.upenn.edu
NSadns2.nnn.upenn.edu
NSadns3.nnn.upenn.edu
A2620:12a:8000::4 🇺🇸 Fastly
A2620:12a:8001::4 🇺🇸 Fastly
A23.185.0.4🇺🇸 Fastly
rank #312 globally
rank #13 in the tld
This domain name "upenn.edu" represents the University of Pennsylvania, a prestigious Ivy League university located in Philadelphia, Pennsylvania, United States. The "upenn" portion stands for University of Pennsylvania, indicating that this is the official website for the university where you can find information about their programs, faculty, admissions, research, campus life, and other related matters.

PTR for

Up

Starts with same word

Starts similarily

AI analysis

ldc.upenn.edu is a parent of smtp.ldc.upenn.edu, mxb.ldc.upenn.edu, xserve1.ldc.upenn.edu, wikipedia.ldc.upenn.edu, horton.ldc.upenn.edu and several other host names.

ldc.upenn.edu points to a single IP number: 128.91.234.121.

ldc.upenn.edu is handled by three mail servers: mx3.ldc.upenn.edu, mxb.ldc.upenn.edu and ratatosk.ldc.upenn.edu.

Host names with one IP number:

mx3.ldc.upenn.edu points to 23.23.65.49.

mxb.ldc.upenn.edu points to 128.91.252.55.

ratatosk.ldc.upenn.edu points to 128.91.252.5.

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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GrMoRXq CF johedugfp 2025-10-07