CF1758473113432-tsm20250921160209

WWW.ROBTEX.COM - tokaiopt.co.jp

Search for IP or hostnames:

tokaiopt.co.jp checked at 2025-09-21T16:45:13.417Z 871ms 138/138/138 100% R:21

tokaiopt.co.jp

NSns3.ctc.jp
A2406:da14:463:7801:dbb3:ecb4:d989:e9bc🇯🇵 Amazon
A13.230.125.104🇯🇵 Amazon
PTRns3.ctc.jp
MXmx.securemx.jp
A210.130.202.92🇯🇵 Internet Initiative Japan
PTRmx180b.securemx.jp
A210.130.202.93🇯🇵 Internet Initiative Japan
PTRmx114b.securemx.jp
A210.130.202.96🇯🇵 Internet Initiative Japan
PTRmx114a.securemx.jp
A210.130.202.99🇯🇵 Internet Initiative Japan
PTRmx180a.securemx.jp
NSns1.hs.ctc.jp
A2001:f58:10:1005::102🇯🇵 Chubu Telecommunications Co.,Inc. (ctc)
PTRns1.hs.ctc.jp
A218.216.179.154🇯🇵 Chubu Telecommunications Co.,Inc. (ctc)
NSns2.dc.ctc.ad.jp
A2001:f58:10:1001::102🇯🇵 Chubu Telecommunications Co.,Inc. (ctc)
PTRns2.dc.ctc.ad.jp
A218.216.176.115🇯🇵 Chubu Telecommunications Co.,Inc. (ctc)
PTRns2.dc.ctc.ad.jp

co.jp

Starts with same word

Starts similarily

AI analysis

The delegation for tokaiopt.co.jp is handled by three name servers: ns3.ctc.jp, ns1.hs.ctc.jp and ns2.dc.ctc.ad.jp.

tokaiopt.co.jp at least partially shares name servers with other domains, for instance union-plate.co.jp, kanefusa-cn.com, kawabo.co.jp, sinsatu.jp and okbnet.ne.jp.

these name servers are commonly used with ns0.dc.ctc.ad.jp, dns-x.sinet.ad.jp and ns.hicbc.com.

Two IP numbers per host:

ns3.ctc.jp points to 2406:da14:463:7801:dbb3:ecb4:d989:e9bc and 13.230.125.104.

ns1.hs.ctc.jp points to 2001:f58:10:1005::102 and 218.216.179.154.

ns2.dc.ctc.ad.jp points to 2001:f58:10:1001::102 and 218.216.176.115.

tokaiopt.co.jp is handled by a single mail server, mx.securemx.jp.

tokaiopt.co.jp uses the same mail server configuration as other domains, such as seiryo-hs.jp, mar.co.jp, kawada.jp, takeda-prn.co.jp and mintwave.co.jp.

tokaiopt.co.jp shares mail servers with other domains at least in part, for instance career-drive.co.jp, scroll.jp, sg-rl.co.jp, au.smbc.co.jp and musashino-card.co.jp.

these mail servers are often used with mx6.securemx.jp and careerdrive-co-jp01e.mail.protection.outlook.com.

mx.securemx.jp resolves to four IPs: 210.130.202.92, 210.130.202.93, 210.130.202.96 and 210.130.202.99.

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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zWfNcER CF johedugfp 2025-09-21