jcss.jp - dns.ninja

`jcss.jp`

DNSSEC	⚠️ Not signed
A	163.43.80.68^{🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
		PTR	`www3758.sakura.ne.jp`
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns1.dns.ne.jp`
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp`
		A	133.167.21.1^{🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns2.dns.ne.jp`
MX	`jcss.jp` ⭐
		A	163.43.80.68^{🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan}
			PTR	`www3758.sakura.ne.jp`
TXT	`v=spf1 a:www3758.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2024-09-09 #1

`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=1783154702

MX for

jcss.jp

Subdomains

www.jcss.jp

Same first word

jcss.sakura.ne.jp

jcss.com

jcss.co.in

jcss.eu

jcss.ng

jcss.jp

jcss.com.br

jcss.com.cn

jcss.org

jcss.net

jcss.ru

jcss.pt

jcss.de

jcss.gr.jp

jcss.us

jcss.ca

Similar names

scjs.us

jssc.nl

jscs.ne.jp

sscj.jp

ssjc.com.vn

scsj.com

jssc.jp

sjcs.net

sjsc.fr

csjs.googlecode.com

csjs.ch

sjcs.org

jscs.org.cn

cssj.co.uk

csjs.de

csjs.com.cn

jscs.org

scjs.com

sjsc.com

jssc.or.jp

jscs.cn

jscs.info

sjcs.ca

jscs.be

cjss.com

sjsc.ca

jssc.com.tw

jscs.nl

ssjc.jp

scjs.org.uk

sjcs.edu

cssj.net

jssc.biz

cssj.com.br

jssc.info

jssc.org.cn

scsj.fr

scsj.org

scjs.net.cn

jssc.nic.in

sjsc.org.in

ssjc.us

sjsc.org

csjs.ca

sscj.com

sjcs.org.cn

sjsc.org.cn

ssjc.co.uk

sjcs.edu.ph

cjss.net

jssc.org.uk

sjsc.org.br

ssjc.cn

csjs.pl

sjcs.com

csjs.com

scjs.myshopify.com

cssj.com.mx

scjs.de

cssj.jp

cjss.co.uk

scjs.net

cssj.org

jssc.org

sjcs.com.br

sjcs.k12.mo.us

jscs.jp

cjss.at

jscs.or.jp

jssc.or.kr

cjss.ac.cn

scjs.org

ssjc.uk

cjss.org.cn

cjss.dk

jssc.cn

ssjc.cz

cssj.ca

jscs.de

jssc.co

sjcs.org.uk

jscs.com

scjs.co.kr

jssc.de

scjs.eu

csjs.org

ssjc.ac.jp

cssj.outsystemscloud.com

cssj.co.jp

jssc.net

jssc.in

scjs.co.uk

cssj.netlify.app

sjcs.ac.in

sjcs.cn

scsj.net.cn

jssc.com

cssj.de

ssjc.com

csjs.top

jssc.cc

cjss.de

ssjc.in

jssc.com.au

cssj.com

jssc.gr.jp

jscs.ca

cssj.ch

ssjc.org

cssj.fun

sscj.net

cssj.mx

DNS History

8 records (5 active, 3 former)

○NSasns1.customer.ne.jp2015-06-05 → 2017-01-04 · 4 obs

● 2015-06-05 10:47:58
● 2017-01-04 00:07:26
○ 2026-04-01 08:16:20
○ 2026-07-04 08:47:32

○NSasns2.customer.ne.jp2015-06-05 → 2017-01-04 · 4 obs

● 2015-06-05 10:47:58
● 2017-01-04 00:07:26
○ 2026-04-01 08:16:20
○ 2026-07-04 08:47:32

●NSmaster.dns.ne.jp2026-04-01 → 2026-07-04 · 3 obs

○ 2017-01-04 00:07:26
● 2026-04-01 08:16:20
● 2026-07-04 08:47:32

●NSns1.dns.ne.jp2026-04-01 → 2026-07-04 · 3 obs

○ 2017-01-04 00:07:26
● 2026-04-01 08:16:20
● 2026-07-04 08:47:32

●NSns2.dns.ne.jp2026-04-01 → 2026-07-04 · 3 obs

○ 2017-01-04 00:07:26
● 2026-04-01 08:16:20
● 2026-07-04 08:47:32

●MXjcss.jp2026-04-01 → 2026-07-04 · 2 obs

● 2026-04-01 08:16:20
● 2026-07-04 08:47:32

●A163.43.80.682026-04-01 → 2026-07-04 · 3 obs

○ 2017-01-04 00:07:26
● 2026-04-01 08:16:20
● 2026-07-04 08:47:32

○A58.138.174.502015-06-05 → 2017-01-04 · 4 obs

● 2015-06-05 10:47:58
● 2017-01-04 00:07:26
○ 2026-04-01 08:16:20
○ 2026-07-04 08:47:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	f.dns.jp, d.dns.jp, a.dns.jp, b.dns.jp...	-
jcss.jp	ns1.dns.ne.jp, ns2.dns.ne.jp	2 records

✅ Authoritative Response

Server:61.211.236.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jcss.jp (unsigned zone)

⏱️ Timing

Total: 886ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`163.43.80.68`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`jcss.jp (pri: 10)`
TXT	1	`v=spf1 a:www3758.sakura.ne.jp mx ~all`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)

Analysis

Hierarchy

The domain www.jcss.jp falls under the parent jcss.jp.

Mail Server Role

The MX record for jcss.jp points back to jcss.jp — it is its own mail server.

IP Addresses

jcss.jp directs to one IP number, which is 163.43.80.68.

Among the host names that share IP numbers with jcss.jp are ceo-c.com, monstera-body.jp, ceoclub2.sakura.ne.jp and two others.

Name Servers

jcss.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

At least some of jcss.jp's name servers are shared with other domains, for example lomomucom.sakura.ne.jp, dreamworksbody.com, elegantsnow1226.com and two more.

master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP address: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.

Mail Servers

The MX record for jcss.jp points to a single mail server: jcss.jp.

jcss.jp resolves to a single IP number: 163.43.80.68.