xnnd.com tools for dns
DNS Lookup: Multi DNS?

Checking PTR record for 3.236.202.66 using Cloudfare DNS server (1.0.0.1): (or click here to check using the Google DNS website.)
66.202.236.3.in-addr.arpa domain name pointer ec2-3-236-202-66.compute-1.amazonaws.com.

Sender Score for IP 3.236.202.66 is n/a.
Scan reverse DNS for 3.236.202.0/24.
Query ARIN for 3.236.202.66.

Did you receive spam from ec2-3-236-202-66.compute-1.amazonaws.com?
Try looking up where to send a spam report using abuse.net.
Or check ARIN and look for an abuse contact.

Multi DNS Options: No/off=Check one random public server. Yes=Check public DNS servers. Special=Check DNS servers authoritative for zone/domain.

Run at: Thu Jun 24 03:07:34 EDT 2021

 xnnd simple tools for dns since 2008