block.jp - dns.ninja

`block.jp`

DNSSEC	⚠️ Not signed
A	162.43.121.145^{🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.}
		PTR	`sv14344.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` ⚠️ Not in parent delegation
		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	`block.jp` ⭐
		A	162.43.121.145^{🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.}
			PTR	`sv14344.xserver.jp`
TXT	`v=spf1 +a:sv14344.xserver.jp +a:block.jp +mx include:spf.sender.xserver.jp ~all`
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=1780619403

MX for

block.jp

Same first word

block.im

block.land

block.cash

block.ws

block.fr

block.farm

block.marketing

block.it

block.no

block.io

block.vn

block.pl

block.camp

block.fund

block.hr

block.com.cn

block.cat

block.rest

block.hockey

block.finance

block.fish

block.by

block.codes

block.photography

block.com.tw

block.so

block.nl

block.com

block.vision

block.black

block.restaurant

block.to

block.team

block.nyc

block.cl

block.ai

block.info

block.biz

block.software

block.de

block.blue

block.fi

block.si

block.ru

block.link

block.ovh

block.mobi

block.pro

block.app

block.exchange

block.cy

block.properties

block.be

block.org.il

block.nu

block.tax

block.world

block.one

block.tw

block.ir

block.es

block.expert

block.ng

block.digital

block.is

block.news

block.ms

block.rocks

block.co

block.gift

block.co.uk

block.center

block.new

block.cz

block.domains

block.services

block.eu

block.xyz

block.rs

block.science

block.fm

block.tools

block.company

block.at

block.com.br

block.com.pl

block.fyi

block.chat

block.su

block.ge

block.org

block.github.io

block.you

block.me

block.vc

block.life

block.zone

block.school

block.jp

block.best

block.gmbh

block.bingo

block.se

block.net.au

block.aero

block.loan

block.support

block.cc

Similar names

lockb.com

kbloc.com

bockl.org

ckolb.com

bockl.de

cblok.space

okcbl.org

kolbc.com

kcolb.com

bclok.com.mx

lbkco.com

bolck.com

bolck.nl

lbcok.com

bolck.de

bockl.net

bolck.eu

kcolb.site

lkbco.com

locbk.com

klbco.com

blcko.com

DNS History

8 records (7 active, 1 former)

●NSns1.xserver.jp2015-06-17 → 2026-06-05 · 2 obs

● 2015-06-17 06:35:40
● 2026-06-05 01:09:56

●NSns2.xserver.jp2015-06-17 → 2026-06-05 · 2 obs

● 2015-06-17 06:35:40
● 2026-06-05 01:09:56

●NSns3.xserver.jp2015-06-17 → 2026-06-05 · 2 obs

● 2015-06-17 06:35:40
● 2026-06-05 01:09:56

●NSns4.xserver.jp2015-06-17 → 2026-06-05 · 2 obs

● 2015-06-17 06:35:40
● 2026-06-05 01:09:56

●NSns5.xserver.jp2015-06-17 → 2026-06-05 · 2 obs

● 2015-06-17 06:35:40
● 2026-06-05 01:09:56

●MXblock.jp2015-06-17 → 2026-06-05 · 2 obs

● 2015-06-17 06:35:40
● 2026-06-05 01:09:56

●A162.43.121.1452026-03-10 → 2026-06-05 · 3 obs

○ 2016-10-02 19:58:44
● 2026-03-10 05:38:28
● 2026-06-05 01:09:56

○A219.94.203.1752015-06-17 → 2016-10-02 · 4 obs

● 2015-06-17 06:35:40
● 2016-10-02 19:58:44
○ 2026-03-10 05:38:28
○ 2026-06-05 01:09:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...	-
block.jp	ns2.xserver.jp, ns1.xserver.jp, ns4.xserver.jp, ns3.xserver.jp	8 records

✅ Authoritative Response

Server:183.90.224.230

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for block.jp (unsigned zone)

⏱️ Timing

Total: 857ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.43.121.145`
NS	5	`ns2.xserver.jp, ns1.xserver.jp...`
MX	1	`block.jp (pri: 0)`
TXT	1	`v=spf1 +a:sv14344.xserver.jp +a:block.jp`
SOA	1	`ns1.xserver.jp root.xserver.jp`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns4.xserver.jp, ns4.xserver.jp, ns4.xserver.jp...)

Analysis

Mail Server Role

The MX record for block.jp points back to block.jp — it is its own mail server.

IP Addresses

block.jp directs to one IP number, which is 162.43.121.145.

Among the host names that share IP numbers with block.jp are mcjpro.com, ost-f.com, iepe.jp and two others.

Name Servers

The zone block.jp is authoritative on 5 name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two additional ones.

At least some of block.jp's name servers are shared with other domains, for example smag.jp, chartstream.net, comeontaxi.com and two more.

These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hosts with three IP address records:

ns1.xserver.jp has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names with one IP number:

ns2.xserver.jp directs to 35.72.43.26.

ns3.xserver.jp directs to 202.226.36.247.

Mail Servers

The MX record for block.jp points to a single mail server: block.jp.

block.jp has exactly one IP number: 162.43.121.145.