`kouseisya.net`

DNSSEC	⚠️ Not signed
A	150.95.36.238^{🇯🇵 GMO-INTERNET150.95.32.0/19 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`mail.mine-ad.com`
NS	`ns-a1.zc-dns.com` ⭐
		A	2400:8500:3000::88^{🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.}
			PTR	`ns-a1.cnode.io`
		A	157.7.33.88^{🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.}
			PTR	`ns-a1.cnode.io`
NS	`ns-a2.zc-dns.net`
		A	2404:8680:1101:310::53^{🇹🇭 GMO-ZCOM-AS-TH2404:8680:1101::/48 GMO-Z com NetDesign Holdings Co., Ltd. 246 Times Square Building 10th Fl., Room 10/04, Sukhumvit 12-14 Rd., Klongtoey Klongtoey, Bangkok 10110}
		A	150.95.23.148^{🇹🇭 GMO-ZCOM-AS-TH150.95.20.0/22 GMO-Z com NetDesign Holdings Co., Ltd. 246 Times Square Building 10th Fl., Room 10/04, Sukhumvit 12-14 Rd., Klongtoey Klongtoey, Bangkok 10110}
			PTR	`v150-95-23-148.a001.m.bkk1.static.cnode.io`
NS	`ns-a3.zc-dns.org`
		A	2404:f080:1101:310::53^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
		A	150.95.19.148^{🇻🇳 GMO-ZCOM-AS-VN150.95.16.0/22 RUNSYSTEM-VN}
			PTR	`v150-95-19-148.a001.m.han1.static.cnode.io`
MX	`www.kouseisya.net` ⭐
		A	150.95.36.238^{🇯🇵 GMO-INTERNET150.95.32.0/19 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`mail.mine-ad.com`
TXT	`v=spf1 +ip4:150.95.36.238 ~all`
SOA	`ns-a1.zc-dns.com`postmaster@example.org serial=1719442432

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778674231

Subdomains

www.kouseisya.net

Same first word

kouseisya.net

kouseisya.com

Similar names

soukeisya.com

soukeisya.net

seikousya.org

seikousya.com

seikousya.co.jp

DNS History

25 records (5 active, 20 former)

○NSdns01.marugoto-server.jp2015-08-02 → 2017-02-11 · 6 obs

● 2015-08-02 18:56:14
● 2015-12-07 02:47:58
○ 2016-03-07 10:25:16
● 2017-02-11 11:04:08
○ 2019-02-15 08:21:24
○ 2026-05-13 12:24:48

○NSdns02.marugoto-server.jp2015-08-02 → 2017-02-11 · 4 obs

● 2015-08-02 18:56:14
● 2017-02-11 11:04:08
○ 2019-02-15 08:21:24
○ 2026-05-13 12:24:48

○NSns-1390.awsdns-45.org2019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

○NSns-2005.awsdns-58.co.uk2019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

○NSns-607.awsdns-11.net2019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

○NSns-85.awsdns-10.com2019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

●NSns-a1.zc-dns.com2026-02-20 → 2026-05-13 · 3 obs

○ 2019-02-15 08:21:24
● 2026-02-20 06:11:26
● 2026-05-13 12:24:48

●NSns-a2.zc-dns.net2026-02-20 → 2026-05-13 · 3 obs

○ 2019-02-15 08:21:24
● 2026-02-20 06:11:26
● 2026-05-13 12:24:48

●NSns-a3.zc-dns.org2026-02-20 → 2026-05-13 · 3 obs

○ 2019-02-15 08:21:24
● 2026-02-20 06:11:26
● 2026-05-13 12:24:48

○NSns1.interq-office.ne.jp2016-03-07 → 2017-02-11 · 5 obs

○ 2015-12-07 02:47:58
● 2016-03-07 10:25:16
● 2017-02-11 11:04:08
○ 2019-02-15 08:21:24
○ 2026-05-13 12:24:48

○MXmx.zoho.com2019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

○MXmx2.zoho.com2019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

●MXwww.kouseisya.net2015-08-02 → 2026-05-13 · 5 obs

● 2015-08-02 18:56:14
● 2017-02-11 11:04:08
○ 2019-02-15 08:21:24
● 2026-02-20 06:11:26
● 2026-05-13 12:24:48

●A150.95.36.2382026-02-20 → 2026-05-13 · 3 obs

○ 2019-02-15 08:21:24
● 2026-02-20 06:11:26
● 2026-05-13 12:24:48

○A153.122.124.292016-03-07 → 2017-02-11 · 5 obs

○ 2015-12-07 02:47:58
● 2016-03-07 10:25:16
● 2017-02-11 11:04:08
○ 2019-02-15 08:21:24
○ 2026-05-13 12:24:48

○A204.227.162.1052015-08-02 → 2015-12-07 · 4 obs

● 2015-08-02 18:56:14
● 2015-12-07 02:47:58
○ 2016-03-07 10:25:16
○ 2026-05-13 12:24:48

○A52.219.0.142019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

○A52.219.0.342019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

○A52.219.0.542019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

○A52.219.0.782019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

○A52.219.4.1102019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

○A52.219.4.1202019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

○A52.219.4.382019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

○A52.219.68.1302019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

○A52.219.68.1422019-02-15 → 2019-02-15 · 4 obs

○ 2017-02-11 11:04:08
● 2019-02-15 08:21:24
○ 2026-02-20 06:11:26
○ 2026-05-13 12:24:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kouseisya.net	ns-a2.zc-dns.net, ns-a1.zc-dns.com, ns-a3.zc-dns.org	2 records

✅ Authoritative Response

Server:150.95.23.148

NS records: ns-a2.zc-dns.net, ns-a1.zc-dns.com, ns-a3.zc-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kouseisya.net (unsigned zone)

⏱️ Timing

Total: 1345ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`150.95.36.238`
NS	3	`ns-a2.zc-dns.net, ns-a1.zc-dns.com...`
MX	1	`www.kouseisya.net (pri: 10)`
TXT	1	`v=spf1 +ip4:150.95.36.238 ~all`
SOA	1	`ns-a1.zc-dns.com postmaster.example.org`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-a2.zc-dns.net, ns-a2.zc-dns.net)

Analysis

Hierarchy

The parent of www.kouseisya.net is kouseisya.net.

IP Addresses

kouseisya.net points to a single IP: 150.95.36.238.

Other host names, for instance server1.mine-ad.com, mine-ad.com, borero.jp, www.taninaga.com and www.borero.jp share IP numbers with kouseisya.net.

Name Servers

kouseisya.net is delegated to three name servers: ns-a1.zc-dns.com, ns-a2.zc-dns.net and ns-a3.zc-dns.org.

kouseisya.net partially shares name servers with other domains; examples include 224.54.95.150.in-addr.arpa, 245.54.95.150.in-addr.arpa, digitalis.cool, aruku.jp and zc-dns.org.

These name servers are commonly used with the name servers ns-a1.cloud.z.com, ns-a2.cloud.z.com, ns-a3.cloud.z.com, ns-a1.conoha.io and ns-a6.cloud.z.com.

Host names with two IP numbers:

ns-a1.zc-dns.com points to 2400:8500:3000::88 and 157.7.33.88.

ns-a2.zc-dns.net points to 2404:8680:1101:310::53 and 150.95.23.148.

ns-a3.zc-dns.org points to 2404:f080:1101:310::53 and 150.95.19.148.

Mail Servers

kouseisya.net is handled by a single mail server, www.kouseisya.net.

www.kouseisya.net points to a single IP: 150.95.36.238.

kouseisya.net - robtex.com

kouseisya.net

net

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`kouseisya.net`

`net`