`japan-itskill.com`

DNSSEC	⚠️ Not signed
A	202.254.234.40^{🇯🇵 XSERVER-AS202.254.232.0/22 XSERVER Inc.}
		PTR	`sv3039.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:sv3039.xserver.jp +a:japan-itskill.com +mx include:spf.sender.xserv...`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`com`

	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=1776089892

WOT: UNKNOWN (1/100)

Subdomains

mail.japan-itskill.com

Same first word

japan-itskill.com

DNS History

10 records (6 active, 4 former)

○NSdns2.ixent.ne.jp2007-08-14 → 2017-01-31 · 4 obs

● 2007-08-14 02:27:42
● 2017-01-31 09:48:28
○ 2026-03-02 11:42:22
○ 2026-04-13 14:20:40

○NSns.japan-itskill.com2007-08-14 → 2017-01-31 · 4 obs

● 2007-08-14 02:27:42
● 2017-01-31 09:48:28
○ 2026-03-02 11:42:22
○ 2026-04-13 14:20:40

●NSns1.xserver.jp2026-03-02 → 2026-04-13 · 3 obs

○ 2017-01-31 09:48:28
● 2026-03-02 11:42:22
● 2026-04-13 14:20:40

●NSns2.xserver.jp2026-03-02 → 2026-04-13 · 3 obs

○ 2017-01-31 09:48:28
● 2026-03-02 11:42:22
● 2026-04-13 14:20:40

●NSns3.xserver.jp2026-03-02 → 2026-04-13 · 3 obs

○ 2017-01-31 09:48:28
● 2026-03-02 11:42:22
● 2026-04-13 14:20:40

●NSns4.xserver.jp2026-03-02 → 2026-04-13 · 3 obs

○ 2017-01-31 09:48:28
● 2026-03-02 11:42:22
● 2026-04-13 14:20:40

●NSns5.xserver.jp2026-03-02 → 2026-04-13 · 3 obs

○ 2017-01-31 09:48:28
● 2026-03-02 11:42:22
● 2026-04-13 14:20:40

○MXmail.japan-itskill.com2007-08-14 → 2017-01-31 · 4 obs

● 2007-08-14 02:27:42
● 2017-01-31 09:48:28
○ 2026-03-02 11:42:22
○ 2026-04-13 14:20:40

●A202.254.234.402026-03-02 → 2026-04-13 · 3 obs

○ 2017-01-31 09:48:28
● 2026-03-02 11:42:22
● 2026-04-13 14:20:40

○A210.166.216.1642007-08-14 → 2017-01-31 · 4 obs

● 2007-08-14 02:27:42
● 2017-01-31 09:48:28
○ 2026-03-02 11:42:22
○ 2026-04-13 14:20:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...	-
japan-itskill.com	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	-

✅ Authoritative Response

Server:157.112.182.220

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 japan-itskill.com (unsigned zone)

⏱️ Timing

Total: 964ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.254.234.40`
NS	5	`ns2.xserver.jp, ns1.xserver.jp...`
TXT	1	`v=spf1 +a:sv3039.xserver.jp +a:japan-its`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Hierarchy

The parent of mail.japan-itskill.com is japan-itskill.com.

IP Addresses

japan-itskill.com points to a single IP: 202.254.234.40.

Other host names, for instance jst.mfeed.aexample.comd.jp, mail.agrimatex.com, www.greenbokujo.jp, vmc.hyper-clougoogle.comd.jp and aexample.comd.jp share IP numbers with japan-itskill.com.

Name Servers

japan-itskill.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

japan-itskill.com partially shares name servers with other domains; examples include tokyo-seihon.or.jp, oss-japan.com, siusam.net, fmkochi.com and taskal.org.