`startupleadership.jp`

DNSSEC	⚠️ Not signed
A	157.112.176.17^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		PTR	`sv816.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`
TXT	`v=spf1 +a:sv816.xserver.jp +a:startupleadership.jp +mx include:spf.sender.xse...`
TXT	`google-site-verification=FJcs-xaEOAc4tNXrtgzDU345T4vuX2WBdgvUlZRCECE`
SOA	`ns1.xserver.jp`root@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=1776070803

Previously NS for

startupleadership.jp

Same first word

startupleadership.jp

startupleadership.com

Similar names

leadershipstartup.com

DNS History

15 records (6 active, 9 former)

○NSdns01.muumuu-domain.com2016-03-20 → 2017-03-23 · 5 obs

○ 2015-12-10 21:55:04
● 2016-03-20 05:04:34
● 2017-03-23 09:22:20
○ 2026-03-24 21:23:06
○ 2026-04-13 09:32:12

○NSdns02.muumuu-domain.com2016-03-20 → 2017-03-23 · 5 obs

○ 2015-12-10 21:55:04
● 2016-03-20 05:04:34
● 2017-03-23 09:22:20
○ 2026-03-24 21:23:06
○ 2026-04-13 09:32:12

●NSns1.xserver.jp2026-03-24 → 2026-04-13 · 3 obs

○ 2017-03-23 09:22:20
● 2026-03-24 21:23:06
● 2026-04-13 09:32:12

●NSns2.xserver.jp2026-03-24 → 2026-04-13 · 3 obs

○ 2017-03-23 09:22:20
● 2026-03-24 21:23:06
● 2026-04-13 09:32:12

●NSns3.xserver.jp2026-03-24 → 2026-04-13 · 3 obs

○ 2017-03-23 09:22:20
● 2026-03-24 21:23:06
● 2026-04-13 09:32:12

●NSns4.xserver.jp2026-03-24 → 2026-04-13 · 3 obs

○ 2017-03-23 09:22:20
● 2026-03-24 21:23:06
● 2026-04-13 09:32:12

●NSns5.xserver.jp2026-03-24 → 2026-04-13 · 3 obs

○ 2017-03-23 09:22:20
● 2026-03-24 21:23:06
● 2026-04-13 09:32:12

○NSstartupleadership.jp2016-03-20 → 2017-03-23 · 5 obs

○ 2015-12-10 21:55:04
● 2016-03-20 05:04:34
● 2017-03-23 09:22:20
○ 2026-03-24 21:23:06
○ 2026-04-13 09:32:12

○NSuns01.lolipop.jp2015-08-08 → 2015-12-10 · 4 obs

● 2015-08-08 00:09:52
● 2015-12-10 21:55:04
○ 2016-03-20 05:04:34
○ 2026-04-13 09:32:12

○NSuns02.lolipop.jp2015-08-08 → 2015-12-10 · 4 obs

● 2015-08-08 00:09:52
● 2015-12-10 21:55:04
○ 2016-03-20 05:04:34
○ 2026-04-13 09:32:12

○MXmx01.lolipop.jp2015-08-08 → 2016-03-20 · 4 obs

● 2015-08-08 00:09:52
● 2016-03-20 05:04:34
○ 2016-07-17 19:08:24
○ 2026-04-13 09:32:12

○MXmx01.muumuu-mail.com2016-07-17 → 2017-03-23 · 5 obs

○ 2016-03-20 05:04:34
● 2016-07-17 19:08:24
● 2017-03-23 09:22:20
○ 2026-03-24 21:23:06
○ 2026-04-13 09:32:12

●A157.112.176.172026-03-24 → 2026-04-13 · 3 obs

○ 2017-03-23 09:22:20
● 2026-03-24 21:23:06
● 2026-04-13 09:32:12

○A203.189.109.1962015-08-08 → 2015-12-10 · 4 obs

● 2015-08-08 00:09:52
● 2015-12-10 21:55:04
○ 2016-03-20 05:04:34
○ 2026-04-13 09:32:12

○A52.90.116.852016-03-20 → 2017-03-23 · 5 obs

○ 2015-12-10 21:55:04
● 2016-03-20 05:04:34
● 2017-03-23 09:22:20
○ 2026-03-24 21:23:06
○ 2026-04-13 09:32:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
startupleadership.jp	ns5.xserver.jp, ns3.xserver.jp, ns1.xserver.jp, ns2.xserver.jp...	11 records

✅ Authoritative Response

Server:183.90.224.226

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for startupleadership.jp (unsigned zone)

⏱️ Timing

Total: 1141ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.112.176.17`
NS	5	`ns1.xserver.jp, ns3.xserver.jp...`
TXT	2	`v=spf1 +a:sv816.xserver.jp +a:startuplea, google-site-verification=FJcs-xaEOAc4tNX`
SOA	1	`ns1.xserver.jp root.xserver.jp`

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)

Analysis

IP Addresses

startupleadership.jp points to an IP address: 157.112.176.17.

other host names include xmail.ac100v.com, amakusatakarajima.com, katarino.jp, yarapon.com and misawa-jujiya.com; they share IP numbers with startupleadership.jp.

Name Servers

startupleadership.jp is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

startupleadership.jp at least partially shares name servers with other domains, for instance tsubamekidou.com, warehouse283.com, sunset-nostalgie.com, tac-corp.com and virtual-box.net.

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.

Names with one IP number:

ns2.xserver.jp points to: 35.72.43.26.

ns3.xserver.jp points to: 202.226.36.247.

startupleadership.jp - robtex.com