WWW.RTSAK.COM - mail21.us4.mcsv.net

Search for IP or hostnames:

mail21.us4.mcsv.net checked at 2025-10-14T20:50:16.576Z 174ms 35/35/35 100% R:10

`mail21.us4.mcsv.net`

MX	`inbound-mx1.mailchimpapp.net`
		A	148.105.251.24^{🇺🇸 The Rocket Science Group, LLC}
A	205.201.128.21^{🇺🇸 The Rocket Science Group, LLC}
		PTR	`mail21.us4.mcsv.net`

`us4.mcsv.net`

PTR for

21.128.201.205.in-addr.arpa

Starts with same word

mail21.nl

mail21.com

mail21.net

mail21.org

mail21.de

mail21.eu

Starts similarily

12mail.dk

mail12.nl

12mail.fr

mail21.nl

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21mail.com.cn

mail12.com

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AI analysis

mail21.us4.mcsv.net points to a single IP number: 205.201.128.21.

mail21.us4.mcsv.net is handled by a single mail server, inbound-mx1.mailchimpapp.net.

mail21.us4.mcsv.net shares the same mail server setup as other domains, for instance mail76.suw17.mcsv.net, mail5.sea31.mcsv.net, mail179.suw14.mcdlv.net, mail36.atl31.mcdlv.net and mail4.sea41.rsgsv.net.

Host name inbound-mx1.mailchimpapp.net points to IP address 148.105.251.24.

dbq