CF1761138039007-tsm20251017082432

MXLIST.NET - ec2-3-221-81-121.compute-1.amazonaws.com

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ec2-3-221-81-121.compute-1.amazonaws.com checked at 2025-10-22T13:00:38.976Z 97ms 22/22/22 100% R:9

AI analysis

ec2-3-221-81-121.compute-1.amazonaws.com points to a single IP address: 3.221.81.121.

Other host names, for instance builder.arduino.cc, share IP numbers with ec2-3-221-81-121.compute-1.amazonaws.com.

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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wzZgwYI CF johedugfp 2025-10-22