CF1763511357666-tsm20251116095642

WWW.RTSAK.COM - d021092121.ctt.ne.jp

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d021092121.ctt.ne.jp checked at 2025-11-19T00:15:57.607Z 1333ms 76/76/76 100% R:17 allDone:true timedOut:false

d021092121.ctt.ne.jp

MXcttsv001.ctt.ne.jp
A2404:200:ffff:a01:2:a:a:1 🇯🇵 The Hokuden Information System Service Company
PTRcttsv001.ctt.ne.jp
A210.166.4.129🇯🇵 The Hokuden Information System Service Company
NScttsv039.ctt.ne.jp
A2404:200:ffff:a02:2:a:a:39 🇯🇵 The Hokuden Information System Service Company
PTRcttsv039.ctt.ne.jp
A218.223.216.79🇯🇵 The Hokuden Information System Service Company
NStymwsv02.fitweb.or.jp
A2406:da14:bb5:104::5 🇯🇵 Amazon
A54.199.217.123🇯🇵 Amazon
PTRtymwsv02.fitweb.or.jp

ctt.ne.jp

NScttsv039.ctt.ne.jp
MXmx.ctt.ne.jp
NStymwsv02.fitweb.or.jp
A202.253.106.155🇯🇵 InfoSphere
rank #304083 globally
rank #5173 in the tld

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AI analysis

d021092121.ctt.ne.jp is the parent of u022.d021092121.ctt.ne.jp.

d021092121.ctt.ne.jp is delegated to two name servers: cttsv039.ctt.ne.jp and tymwsv02.fitweb.or.jp.

d021092121.ctt.ne.jp uses the same name server setup as other domains such as d029063119.ctt.ne.jp, 46.96.101.in-addr.arpa, d223223218.ctt.ne.jp, 128a.4.166.210.in-addr.arpa and 231.232.110.in-addr.arpa.

d021092121.ctt.ne.jp shares name servers with other domains at least partially, for example 000a.206.133.27.in-addr.arpa, 206.133.27.in-addr.arpa, 216.223.218.in-addr.arpa, kome5.com and odani.co.jp.

these name servers are commonly used together with the name servers tymwsv38.fitweb.or.jp, sv326.hyper.fitweb.net, sv311.hyper.fitweb.net, sv313.hyper.fitweb.net, sv322.hyper.fitweb.net, ans04.hyper.fitweb.net, sv312.hyper.fitweb.net and sv328.hyper.fitweb.net.

Host names with two IP numbers:

cttsv039.ctt.ne.jp points to 2404:200:ffff:a02:2:a:a:39 and 218.223.216.79; tymwsv02.fitweb.or.jp points to 2406:da14:bb5:104::5 and 54.199.217.123.

d021092121.ctt.ne.jp is handled by a single mail server, cttsv001.ctt.ne.jp.

d021092121.ctt.ne.jp shares the same mail server setup as other domains, for instance d051125202.ctt.ne.jp, d027092121.ctt.ne.jp, d157092121.ctt.ne.jp, d026008216.ctt.ne.jp and d050096101.ctt.ne.jp.

d021092121.ctt.ne.jp shares mail servers with other domains at least partially; for instance d179088203.ctt.ne.jp, d025008216.ctt.ne.jp, d056125202.ctt.ne.jp, d052125202.ctt.ne.jp and d046096101.ctt.ne.jp.

cttsv001.ctt.ne.jp resolves to two IPs: 2404:200:ffff:a01:2:a:a:1 and 210.166.4.129.

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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