`kenshoukai.net`

DNSSEC	⚠️ Not signed
A	183.181.90.121^{🇯🇵 XSERVER-AS183.181.90.0/23 XSERVER Inc.}
		PTR	`sv8440.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`
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp`
		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`
		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	`kenshoukai.net` ⭐
		A	183.181.90.121^{🇯🇵 XSERVER-AS183.181.90.0/23 XSERVER Inc.}
			PTR	`sv8440.xserver.jp`
TXT	`v=spf1 +a:sv8440.xserver.jp +a:kenshoukai.net +mx include:spf.sender.xserver....`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`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=1778449276

MX for

kenshoukai.net

Same first word

kenshoukai.net

kenshoukai.com

kenshoukai.jp

kenshoukai.or.jp

Similar names

kousihaken.com

shoukenkai.com

nisekohaku.com

sekikouhan.com

DNS History

23 records (7 active, 16 former)

○NSdns1.name-services.com2016-02-22 → 2016-02-22 · 4 obs

○ 2015-11-21 21:32:32
● 2016-02-22 22:08:36
○ 2016-05-03 18:44:16
○ 2026-05-10 22:10:44

○NSdns2.name-services.com2016-02-22 → 2016-02-22 · 4 obs

○ 2015-11-21 21:32:32
● 2016-02-22 22:08:36
○ 2016-05-03 18:44:16
○ 2026-05-10 22:10:44

○NSdns3.name-services.com2016-02-22 → 2016-02-22 · 4 obs

○ 2015-11-21 21:32:32
● 2016-02-22 22:08:36
○ 2016-05-03 18:44:16
○ 2026-05-10 22:10:44

○NSdns4.name-services.com2016-02-22 → 2016-02-22 · 4 obs

○ 2015-11-21 21:32:32
● 2016-02-22 22:08:36
○ 2016-05-03 18:44:16
○ 2026-05-10 22:10:44

○NSdns5.name-services.com2016-02-22 → 2016-02-22 · 4 obs

○ 2015-11-21 21:32:32
● 2016-02-22 22:08:36
○ 2016-05-03 18:44:16
○ 2026-05-10 22:10:44

○NSjuming.dnsdun.com2016-05-03 → 2017-01-11 · 5 obs

○ 2016-02-22 22:08:36
● 2016-05-03 18:44:16
● 2017-01-11 17:02:50
○ 2018-05-28 17:59:22
○ 2026-05-10 22:10:44

○NSjuming.dnsdun.net2016-05-03 → 2017-01-11 · 5 obs

○ 2016-02-22 22:08:36
● 2016-05-03 18:44:16
● 2017-01-11 17:02:50
○ 2018-05-28 17:59:22
○ 2026-05-10 22:10:44

○NSns1.7cloudcomputing.com2015-08-04 → 2015-11-21 · 4 obs

● 2015-08-04 03:19:02
● 2015-11-21 21:32:32
○ 2016-02-22 22:08:36
○ 2026-05-10 22:10:44

●NSns1.xserver.jp2026-03-07 → 2026-05-10 · 3 obs

○ 2018-05-28 17:59:22
● 2026-03-07 16:23:42
● 2026-05-10 22:10:44

○NSns2.7cloudcomputing.com2015-08-04 → 2015-11-21 · 4 obs

● 2015-08-04 03:19:02
● 2015-11-21 21:32:32
○ 2016-02-22 22:08:36
○ 2026-05-10 22:10:44

●NSns2.xserver.jp2026-03-07 → 2026-05-10 · 3 obs

○ 2018-05-28 17:59:22
● 2026-03-07 16:23:42
● 2026-05-10 22:10:44

○NSns25.domaincontrol.com2018-05-28 → 2018-05-28 · 4 obs

○ 2017-01-11 17:02:50
● 2018-05-28 17:59:22
○ 2026-03-07 16:23:42
○ 2026-05-10 22:10:44

○NSns26.domaincontrol.com2018-05-28 → 2018-05-28 · 4 obs

○ 2017-01-11 17:02:50
● 2018-05-28 17:59:22
○ 2026-03-07 16:23:42
○ 2026-05-10 22:10:44

●NSns3.xserver.jp2026-03-07 → 2026-05-10 · 3 obs

○ 2018-05-28 17:59:22
● 2026-03-07 16:23:42
● 2026-05-10 22:10:44

●NSns4.xserver.jp2026-03-07 → 2026-05-10 · 3 obs

○ 2018-05-28 17:59:22
● 2026-03-07 16:23:42
● 2026-05-10 22:10:44

●NSns5.xserver.jp2026-03-07 → 2026-05-10 · 3 obs

○ 2018-05-28 17:59:22
● 2026-03-07 16:23:42
● 2026-05-10 22:10:44

●MXkenshoukai.net2015-08-04 → 2026-05-10 · 6 obs

● 2015-08-04 03:19:02
● 2015-11-21 21:32:32
○ 2016-02-22 22:08:36
○ 2018-05-28 17:59:22
● 2026-03-07 16:23:42
● 2026-05-10 22:10:44

○MXp.nsm.ctmail.com2016-02-22 → 2016-02-22 · 4 obs

○ 2015-11-21 21:32:32
● 2016-02-22 22:08:36
○ 2016-05-03 18:44:16
○ 2026-05-10 22:10:44

○A142.252.22.1742018-05-28 → 2018-05-28 · 4 obs

○ 2017-01-11 17:02:50
● 2018-05-28 17:59:22
○ 2026-03-07 16:23:42
○ 2026-05-10 22:10:44

○A149.47.198.1402015-08-04 → 2015-11-21 · 4 obs

● 2015-08-04 03:19:02
● 2015-11-21 21:32:32
○ 2016-02-22 22:08:36
○ 2026-05-10 22:10:44

●A183.181.90.1212026-03-07 → 2026-05-10 · 3 obs

○ 2018-05-28 17:59:22
● 2026-03-07 16:23:42
● 2026-05-10 22:10:44

○A23.88.189.1502016-05-03 → 2017-01-11 · 5 obs

○ 2016-02-22 22:08:36
● 2016-05-03 18:44:16
● 2017-01-11 17:02:50
○ 2018-05-28 17:59:22
○ 2026-05-10 22:10:44

○A98.124.243.472016-02-22 → 2016-02-22 · 4 obs

○ 2015-11-21 21:32:32
● 2016-02-22 22:08:36
○ 2016-05-03 18:44:16
○ 2026-05-10 22:10:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	f.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net	-
kenshoukai.net	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:35.72.43.26

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kenshoukai.net (unsigned zone)

⏱️ Timing

Total: 1642ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.181.90.121`
NS	5	`ns5.xserver.jp, ns3.xserver.jp...`
MX	1	`kenshoukai.net (pri: 0)`
TXT	1	`v=spf1 +a:sv8440.xserver.jp +a:kenshouka`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Mail Server Role

kenshoukai.net is the mail server for kenshoukai.net.

IP Addresses

kenshoukai.net resolves to a single IP: 183.181.90.121.

Other host names, for instance cflets.co.jp, pekindou-am.com, aoyamahp.or.jp, sakuracm.com and kadokawa-cgate.co.jp share IP numbers with kenshoukai.net.

Name Servers

kenshoukai.net delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

kenshoukai.net shares some name servers with other domains, for example emiri.xyz, jfx.jp, no-shouhizei.com, hc-h.net and aideal.net.

Host names with three IP numbers:

- ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246

- ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247

- ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247

Host names with one IP number:

- ns2.xserver.jp points to: 35.72.43.26

- ns3.xserver.jp points to: 202.226.36.247

Mail Servers

One mail server handles kenshoukai.net.

Host name kenshoukai.net points to IP 183.181.90.121.

kenshoukai.net - robtex.com

kenshoukai.net

net

MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Mail Server Role

IP Addresses

Name Servers

Mail Servers

`kenshoukai.net`

`net`