CF1760721655783-tsm20251017082432

WWW.ROBTEX.COM - sys21.co.jp

Search for IP or hostnames:

sys21.co.jp checked at 2025-10-17T17:20:55.721Z 711ms 149/149/149 100% R:13

sys21.co.jp

NSns4.cpi.ad.jp
A122.200.253.232πŸ‡―πŸ‡΅ KDDI Web Communications
PTRns4.cpi.ad.jp
NSns5.cpi.ad.jp
A122.200.212.132πŸ‡―πŸ‡΅ KDDI Web Communications
PTRns5.cpi.ad.jp
MXsys21-co-jp.mail.protection.outlook.com
A2a01:111:f403:cc1a::3πŸ‡―πŸ‡΅ Microsoft
PTRmail-tyvp286cu00203.inbound.protection.outlook.com
A2a01:111:f403:cc1f::πŸ‡―πŸ‡΅ Microsoft
PTRmail-os9p286cu00100.inbound.protection.outlook.com
A2a01:111:f403:cc1f::1πŸ‡―πŸ‡΅ Microsoft
PTRmail-os0p286cu01201.inbound.protection.outlook.com
A2a01:111:f403:cc24::πŸ‡―πŸ‡΅ Microsoft
PTRmail-os0p286cu01300.inbound.protection.outlook.com
A52.101.124.1πŸ‡―πŸ‡΅ Microsoft
PTRmail-ty3p286cu00101.inbound.protection.outlook.com
A52.101.124.5πŸ‡―πŸ‡΅ Microsoft
PTRmail-tyvp286cu00305.inbound.protection.outlook.com
A52.101.124.6πŸ‡―πŸ‡΅ Microsoft
PTRmail-tyvp286cu00206.inbound.protection.outlook.com
A52.101.157.10πŸ‡ΊπŸ‡Έ Microsoft
PTRmail-os0p286cu01302.inbound.protection.outlook.com
A133.18.34.67πŸ‡―πŸ‡΅ KAGOYA JAPAN
PTRs431-1.kagoya.net

co.jp

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Starts with same word

Starts similarily

AI analysis

sys21.co.jp is a parent of freedom.sys21.co.jp.

sys21.co.jp points to a single IP number: 133.18.34.67.

Other host names, for instance joen.co.jp, japan-heritage-yoshino.jp, s431-1.kagoya.net, pxa.co.jp and sankyo-s.jp share IP numbers with sys21.co.jp.

Delegation for sys21.co.jp rests with two name servers, ns4.cpi.ad.jp and ns5.cpi.ad.jp.

sys21.co.jp shares the same name server setup as other domains, including tosemi.jp, daikosangyo.co.jp, veryvery.info, chimera.co.jp and y-caliente.jp.

sys21.co.jp at least partially shares name servers with other domains, for instance 249.60.150.in-addr.arpa, 25.60.150.in-addr.arpa, 104.82.118.in-addr.arpa, 160.60.150.in-addr.arpa and 17.60.150.in-addr.arpa.

These name servers are commonly used with ns0.cpi.ad.jp, ns1.cpi.ad.jp, ns2.cpi.ad.jp, ns3.cpi.ad.jp, ns6.cpi.ad.jp and ns7.cpi.ad.jp.

Host names with one IP number: ns4.cpi.ad.jp points to 122.200.253.232; ns5.cpi.ad.jp points to 122.200.212.132.

sys21.co.jp is handled by a single mail server, sys21-co-jp.mail.protection.outlook.com.

sys21-co-jp.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:cc1a::3, 2a01:111:f403:cc1f::, 2a01:111:f403:cc1f::1, 2a01:111:f403:cc24::, 52.101.124.1, 52.101.124.5, 52.101.124.6 and 52.101.157.10.

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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jhcMSMp CF johedugfp 2025-10-17