CF1760620871834-tsm20251016114356

WWW.RTSAK.COM - 21cs.com

Search for IP or hostnames:

21cs.com checked at 2025-10-16T13:21:11.813Z 231ms 108/108/108 100% R:13

21cs.com

NSns-68.awsdns-08.com
A2600:9000:5300:4400::1 🇺🇸 Amazon
PTRns-68.awsdns-08.com
A205.251.192.68🇺🇸 Amazon
PTRns-68.awsdns-08.com
NSns-610.awsdns-12.net
A2600:9000:5302:6200::1 🇺🇸 Amazon
PTRns-610.awsdns-12.net
A205.251.194.98🇺🇸 Amazon
PTRns-610.awsdns-12.net
NSns-1356.awsdns-41.org
A2600:9000:5305:4c00::1 🇺🇸 Amazon
PTRns-1356.awsdns-41.org
A205.251.197.76🇺🇸 Amazon
PTRns-1356.awsdns-41.org
NSns-1989.awsdns-56.co.uk
A2600:9000:5307:c500::1 🇺🇸 Amazon
PTRns-1989.awsdns-56.co.uk
A205.251.199.197🇺🇸 Amazon
PTRns-1989.awsdns-56.co.uk
MX21cs-com.mail.protection.outlook.com
A52.101.9.11🇺🇸 Microsoft
PTRmail-bl2pr04cu00103.inbound.protection.outlook.com
A52.101.42.10🇺🇸 Microsoft
PTRmail-co1pr21cu00102.inbound.protection.outlook.com
A52.101.42.16🇺🇸 Microsoft
PTRmail-co1pr05cu00300.inbound.protection.outlook.com
A52.101.194.12🇺🇸 Microsoft
PTRmail-ch0pr04cu00504.inbound.protection.outlook.com
A199.60.103.49🇺🇸 Cloudflare London
A199.60.103.149🇺🇸 Cloudflare London

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NSa.gtld-servers.net
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Up

Starts with same word

Starts similarily

AI analysis

www.21cs.com has 21cs.com as its parent.

21cs.com points to two IPs: 199.60.103.49 and 199.60.103.149.

Other host names, for instance emhub.io, interneer.com, simplesolve.com, airplant.com and ddcdolphin.com share IP numbers with 21cs.com.

21cs.com is delegated to four name servers: ns-68.awsdns-08.com, ns-610.awsdns-12.net, ns-1356.awsdns-41.org and ns-1989.awsdns-56.co.uk.

21cs.com at least partially shares name servers with other domains such as dckofeoaqcpml.cloudfront.net, au-cl.com, d1imugjkvmw78b.cloudfront.net, d27wts9k7o40ne.cloudfront.net and inflexion.com.br.

these name servers are commonly used with ns-265.awsdns-33.com, ns-1140.awsdns-14.org, ns-1938.awsdns-50.co.uk, ns-1487.awsdns-57.org, ns-54.awsdns-06.com and ns-57.awsdns-07.com.

Host names with two IP numbers:

ns-68.awsdns-08.com points to 2600:9000:5300:4400::1 and 205.251.192.68

ns-610.awsdns-12.net points to 2600:9000:5302:6200::1 and 205.251.194.98

ns-1356.awsdns-41.org points to 2600:9000:5305:4c00::1 and 205.251.197.76

ns-1989.awsdns-56.co.uk points to 2600:9000:5307:c500::1 and 205.251.199.197

21cs.com is handled by a single mail server, 21cs-com.mail.protection.outlook.com.

21cs-com.mail.protection.outlook.com resolves to four IPs: 52.101.9.11, 52.101.42.10, 52.101.42.16 and 52.101.194.12.

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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judcBKs CF johedugfp 2025-10-16