CF1761211967045-tsm20251017082432

WWW.RTSAK.COM - ns1.firstco.com

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ns1.firstco.com checked at 2025-10-23T09:32:47.031Z 770ms 31/31/31 100% R:12

ns1.firstco.com

A209.39.20.21🇺🇸 COGENT
PTRsmtpserver.firstco.com

firstco.com

NSns1.firstco.com
NSns2.firstco.com
MXd258425a.ess.barracudanetworks.com
MXd258425b.ess.barracudanetworks.com
A141.193.213.20🇺🇸 Cloudflare London
A141.193.213.21🇺🇸 Cloudflare London

NS for

Starts with same word

Starts similarily

AI analysis

ns1.firstco.com serves as a name server for ae-air.com and firstco.com.

Together with ns1.firstco.com, ns2.firstco.com is commonly used as a name server.

ns1.firstco.com resolves to one IP number: 209.39.20.21.

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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