csinet.jp - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`csinet.jp`

DNSSEC	⚠️ Not signed
A	202.226.37.64^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		PTR	`sv94.xserver.jp`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.246^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns1.xserver.jp`
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp` ⚠️ Not in parent delegation
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp` ⚠️ Not in parent delegation
		A	183.90.224.226^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	202.226.39.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp` ⚠️ Not in parent delegation
		A	157.112.182.218^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
MX	`csinet.jp` ⭐
		A	202.226.37.64^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`sv94.xserver.jp`
TXT	`v=spf1 +a:sv94.xserver.jp +a:csinet.jp +mx include:spf.sender.xserver.jp ~all`
SOA	`ns1.xserver.jp`root@sv0.xserver.jp serial=0

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1786819503

MX for

csinet.jp

Same first word

csinet.jp

csinet.cc

csinet.es

csinet.fr

csinet.biz

csinet.org

csinet.ch

csinet.it

csinet.co.uk

csinet.ws

csinet.com

csinet.net

csinet.ca

csinet.ovh

Similar names

tesinc.info

insect.com.hk

netsci.net

iscent.us

intecs.com.mx

(0x696e63657374).ch

insect.es

instec.cu

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ecints.com

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nescit.com

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sintec.su

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icsnet.nl

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setinc.ca

teisnc.com

scenti.pl

intecs.ru

tecsin.com.br

scinet.ca

(0x696e63657374).rocks

senict.nl

icents.com

(0x696e63657374).cz

scient.co.jp

(0x696e63657374).one

cisnet.cz

insect.com

cisnet.ru

instec.com.br

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scinet.gov

scient.digital

cisnet.ro

tecnis.ch

centis.ca

scinet.work

sintec.ro

sintec.nl

instec.edu.co

sentic.net

cisnet.com

nitsec.co.za

ncsite.org

centis.cu

cestin.net

sicnet.de

icsnet.com

ecinst.org.rs

scenit.dk

sectin.com

centis.it

instec.ru

nicest.de

itnsec.net

sentic.club

tesinc.ca

scinet.at

cisnet.net

sencit.net

cisnet.pl

insect.tv

instec.nl

sicent.net

insect.pro

scinet.com

iscnet.de

insect.biz

secint.de

iscnet.jp

netcis.in

insect.us

stenic.org

insect.gr

centis.cz

tecsin.com

icsnet.net

scinet.com.mx

iscent.com.mx

ticsen.com

sentic.us

itnsec.com

inetcs.co.uk

iscent.ae

stenci.app

sinect.com.br

scient.co

tecnis.de

nscite.org

sintec.biz

insect.it

DNS History

8 records (7 active, 1 former)

●NSns1.xserver.jp2015-08-12 → 2026-08-15 · 2 obs

● 2015-08-12 21:50:52
● 2026-08-15 19:33:34

●NSns2.xserver.jp2015-08-12 → 2026-08-15 · 2 obs

● 2015-08-12 21:50:52
● 2026-08-15 19:33:34

●NSns3.xserver.jp2015-08-12 → 2026-08-15 · 2 obs

● 2015-08-12 21:50:52
● 2026-08-15 19:33:34

●NSns4.xserver.jp2015-08-12 → 2026-08-15 · 2 obs

● 2015-08-12 21:50:52
● 2026-08-15 19:33:34

●NSns5.xserver.jp2015-08-12 → 2026-08-15 · 2 obs

● 2015-08-12 21:50:52
● 2026-08-15 19:33:34

●MXcsinet.jp2015-08-12 → 2026-08-15 · 2 obs

● 2015-08-12 21:50:52
● 2026-08-15 19:33:34

●A202.226.37.642026-02-23 → 2026-08-15 · 3 obs

○ 2016-03-25 01:46:24
● 2026-02-23 09:15:04
● 2026-08-15 19:33:34

○A210.188.201.642015-08-12 → 2016-03-25 · 4 obs

● 2015-08-12 21:50:52
● 2016-03-25 01:46:24
○ 2026-02-23 09:15:04
○ 2026-08-15 19:33:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
csinet.jp	ns2.xserver.jp, ns1.xserver.jp	4 records

✅ Authoritative Response

Server:202.226.36.246

NS records: ns2.xserver.jp, ns1.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csinet.jp (unsigned zone)

⏱️ Timing

Total: 738ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.226.37.64`
NS	5	`ns2.xserver.jp, ns1.xserver.jp...`
MX	1	`csinet.jp (pri: 0)`
TXT	1	`v=spf1 +a:sv94.xserver.jp +a:csinet.jp +`
SOA	1	`ns1.xserver.jp root.sv0.xserver.jp`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

Mail Server Role

csinet.jp acts as its own mail server.

IP Addresses

csinet.jp points to a single IP number: 202.226.37.64.

Additional host names — axsys.jp, trandiatec.com, eniwa.co.jp and two others — share IP numbers with csinet.jp.

Name Servers

Delegation for csinet.jp is to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

csinet.jp shares at least some of its name servers with other domains, including sygnite.com, for-real.jp, yatto7.jp and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.

Host names with three IP numbers:

ns1.xserver.jp resolves to three addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp resolves to three addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp resolves to three addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names pointing to a single IP address:

ns2.xserver.jp points to the IP address 35.72.43.26.

ns3.xserver.jp points to the IP address 202.226.36.247.

Mail Servers

csinet.jp has a single mail server: csinet.jp itself.

There is one IP number for csinet.jp: 202.226.37.64.