CF1759193344439-tsm20250929235914

NSLIST.NET - rfcsystems.com

Search for IP or hostnames:

rfcsystems.com checked at 2025-09-30T00:49:04.417Z 256ms 148/148/148 100% R:12

rfcsystems.com

NSns-164.awsdns-20.com
A2600:9000:5300:a400::1 🇺🇸 Amazon
PTRns-164.awsdns-20.com
A205.251.192.164🇺🇸 Amazon
PTRns-164.awsdns-20.com
MXus-smtp-inbound-1.mimecast.com
A170.10.128.141🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
MXus-smtp-inbound-2.mimecast.com
A170.10.128.141🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
NSns-984.awsdns-59.net
A2600:9000:5303:d800::1 🇺🇸 Amazon
PTRns-984.awsdns-59.net
A205.251.195.216🇺🇸 Amazon
PTRns-984.awsdns-59.net
NSns-1126.awsdns-12.org
A2600:9000:5304:6600::1 🇺🇸 Amazon
PTRns-1126.awsdns-12.org
A205.251.196.102🇺🇸 Amazon
PTRns-1126.awsdns-12.org
NSns-1719.awsdns-22.co.uk
A2600:9000:5306:b700::1 🇺🇸 Amazon
PTRns-1719.awsdns-22.co.uk
A205.251.198.183🇺🇸 Amazon
PTRns-1719.awsdns-22.co.uk
A3.17.117.178🇺🇸 Amazon
PTRec2-3-17-117-178.us-east-2.compute.amazonaws.com
A18.116.7.148🇺🇸 Amazon
PTRec2-18-116-7-148.us-east-2.compute.amazonaws.com

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AI analysis

rfcsystems.com is a parent of potomackcompany.rfcsystems.com, holtsauctioneers.rfcsystems.com, chait.rfcsystems.com, groganco.rfcsystems.com, swanngalleries.rfcsystems.com and a few other host names.

rfcsystems.com points to two IP numbers: 3.17.117.178 and 18.116.7.148.

Other host names, for instance chait.rfcsystems.com, share IP numbers with rfcsystems.com.

rfcsystems.com is delegated to four name servers: ns-164.awsdns-20.com, ns-984.awsdns-59.net, ns-1126.awsdns-12.org and ns-1719.awsdns-22.co.uk.

rfcsystems.com at least partially shares name servers with other domains, for example d1dbqkf4363lh3.cloudfront.net, fortisiemlabs.com, malaaz.com, 2txt.de and csaa-insurance.io.

These name servers are often used with the following name servers: ns-1366.awsdns-42.org, ns-1785.awsdns-31.co.uk, ns-498.awsdns-62.com, ns-985.awsdns-59.net, ns-1311.awsdns-35.org, ns-1907.awsdns-46.co.uk, ns-962.awsdns-56.net and ns-1228.awsdns-25.org.

Host names with two IP numbers:

ns-164.awsdns-20.com points to: 2600:9000:5300:a400::1 and 205.251.192.164

ns-984.awsdns-59.net points to: 2600:9000:5303:d800::1 and 205.251.195.216

ns-1126.awsdns-12.org points to: 2600:9000:5304:6600::1 and 205.251.196.102

ns-1719.awsdns-22.co.uk points to: 2600:9000:5306:b700::1 and 205.251.198.183

Two mail servers handle rfcsystems.com: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

rfcsystems.com shares the same mail server setup as other domains, including bcnlaw.com, angelsgame.net, 25.219.254.trimet.org, provantagenetwork.com and riv.ca.

rfcsystems.com shares at least some mail servers with other domains, for instance tax-beacon.com, divwood.com and o-dcomply.com.

Two hosts with six IPs each. Host us-smtp-inbound-1.mimecast.com points to 170.10.128.141, 170.10.128.221, 170.10.128.242, 170.10.132.141, 170.10.132.221 and 170.10.132.242. Host us-smtp-inbound-2.mimecast.com points to the same six.

Hosts that point to 170.10.128.141: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Hosts that point to 170.10.128.221: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Hosts that point to 170.10.128.242: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Hosts that point to 170.10.132.141: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Hosts that point to 170.10.132.221: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Hosts that point to 170.10.132.242: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.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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uIcYRwe CF johedugfp 2025-09-30