`focuslab.jp`

DNSSEC	⚠️ Not signed
A	202.226.37.10^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		PTR	`sv57.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	`focuslab.jp` ⭐
		A	202.226.37.10^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`sv57.xserver.jp`
TXT	`v=spf1 +a:sv57.xserver.jp +a:focuslab.jp +mx include:spf.sender.xserver.jp ~all`
TXT	`google-site-verification=wJaph-hiYhk9ahQq5LtgU-iO-ert2yZgTueXOdJSKXM`
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=1774619102

MX for

focuslab.jp

Same first word

focuslab.agency

focuslab.net

focuslab.gr

focuslab.org

focuslab.co.th

focuslab.co

focuslab.click

focuslab.info

focuslab.ca

focuslab.jp

Similar names

DNS History

18 records (7 active, 11 former)

○NSmaster.dns.ne.jp2015-07-04 → 2018-06-05 · 4 obs

● 2015-07-04 03:31:26
● 2018-06-05 04:11:58
○ 2026-03-25 19:28:56
○ 2026-03-27 14:02:32

○NSns1.dns.ne.jp2015-07-04 → 2018-06-05 · 4 obs

● 2015-07-04 03:31:26
● 2018-06-05 04:11:58
○ 2026-03-25 19:28:56
○ 2026-03-27 14:02:32

●NSns1.xserver.jp2026-03-25 → 2026-03-27 · 3 obs

○ 2018-06-05 04:11:58
● 2026-03-25 19:28:56
● 2026-03-27 14:02:32

○NSns2.dns.ne.jp2015-07-04 → 2018-06-05 · 4 obs

● 2015-07-04 03:31:26
● 2018-06-05 04:11:58
○ 2026-03-25 19:28:56
○ 2026-03-27 14:02:32

●NSns2.xserver.jp2026-03-25 → 2026-03-27 · 3 obs

○ 2018-06-05 04:11:58
● 2026-03-25 19:28:56
● 2026-03-27 14:02:32

●NSns3.xserver.jp2026-03-25 → 2026-03-27 · 3 obs

○ 2018-06-05 04:11:58
● 2026-03-25 19:28:56
● 2026-03-27 14:02:32

●NSns4.xserver.jp2026-03-25 → 2026-03-27 · 3 obs

○ 2018-06-05 04:11:58
● 2026-03-25 19:28:56
● 2026-03-27 14:02:32

●NSns5.xserver.jp2026-03-25 → 2026-03-27 · 3 obs

○ 2018-06-05 04:11:58
● 2026-03-25 19:28:56
● 2026-03-27 14:02:32

○MXalt1.aspmx.l.google.com2015-07-04 → 2018-06-05 · 4 obs

● 2015-07-04 03:31:26
● 2018-06-05 04:11:58
○ 2026-03-25 19:28:56
○ 2026-03-27 14:02:32

○MXalt2.aspmx.l.google.com2015-07-04 → 2018-06-05 · 4 obs

● 2015-07-04 03:31:26
● 2018-06-05 04:11:58
○ 2026-03-25 19:28:56
○ 2026-03-27 14:02:32

○MXaspmx.l.google.com2015-07-04 → 2018-06-05 · 4 obs

● 2015-07-04 03:31:26
● 2018-06-05 04:11:58
○ 2026-03-25 19:28:56
○ 2026-03-27 14:02:32

○MXaspmx2.googlemail.com2015-07-04 → 2018-06-05 · 4 obs

● 2015-07-04 03:31:26
● 2018-06-05 04:11:58
○ 2026-03-25 19:28:56
○ 2026-03-27 14:02:32

○MXaspmx3.googlemail.com2015-07-04 → 2018-06-05 · 4 obs

● 2015-07-04 03:31:26
● 2018-06-05 04:11:58
○ 2026-03-25 19:28:56
○ 2026-03-27 14:02:32

○MXaspmx4.googlemail.com2015-07-04 → 2018-06-05 · 4 obs

● 2015-07-04 03:31:26
● 2018-06-05 04:11:58
○ 2026-03-25 19:28:56
○ 2026-03-27 14:02:32

○MXaspmx5.googlemail.com2015-07-04 → 2018-06-05 · 4 obs

● 2015-07-04 03:31:26
● 2018-06-05 04:11:58
○ 2026-03-25 19:28:56
○ 2026-03-27 14:02:32

●MXfocuslab.jp2026-03-25 → 2026-03-27 · 3 obs

○ 2018-06-05 04:11:58
● 2026-03-25 19:28:56
● 2026-03-27 14:02:32

○A133.242.180.2082015-07-04 → 2018-06-05 · 4 obs

● 2015-07-04 03:31:26
● 2018-06-05 04:11:58
○ 2026-03-25 19:28:56
○ 2026-03-27 14:02:32

●A202.226.37.102026-03-25 → 2026-03-27 · 3 obs

○ 2018-06-05 04:11:58
● 2026-03-25 19:28:56
● 2026-03-27 14:02:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	f.dns.jp, b.dns.jp, d.dns.jp, h.dns.jp...	-
focuslab.jp	ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...	11 records

✅ Authoritative Response

Server:183.90.224.226

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 focuslab.jp (unsigned zone)

⏱️ Timing

Total: 916ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.226.37.10`
NS	5	`ns2.xserver.jp, ns1.xserver.jp...`
MX	1	`focuslab.jp (pri: 0)`
TXT	2	`google-site-verification=wJaph-hiYhk9ahQ, v=spf1 +a:sv57.xserver.jp +a:focuslab.jp`
SOA	1	`ns1.xserver.jp root.xserver.jp`

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

Mail Server Role

focuslab.jp serves as a mail server for focuslab.jp.

IP Addresses

focuslab.jp points to a single IP: 202.226.37.10.

Other host names, for instance agent-group.net, airnet.listnavi.com, airnet-college.com, hanakuma.net and sidex2.com share IP numbers with focuslab.jp.

Name Servers

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

focuslab.jp at least partially shares its name servers with other domains, for instance aqua-scape.net, dvdking.jp, taka-ten.co.jp, wixossbox.com and blueorange.co.jp.

Host names with three IP numbers:

The host name ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

The host name ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

The host name ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names with one IP number:

The host name ns2.xserver.jp points to: 35.72.43.26.

The host name ns3.xserver.jp points to: 202.226.36.247.

Mail Servers

focuslab.jp is handled by a single mail server.

focuslab.jp points to IP number 202.226.37.10.

focuslab.jp - robtex.com

focuslab.jp

jp

MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Mail Server Role

IP Addresses

Name Servers

Mail Servers

`focuslab.jp`

`jp`