microbrain.jp - robtex.com

microbrain.jp

DNSSEC⚠️ Not signed
A162.43.117.83🇯🇵 XSERVER-AS162.43.112.0/21 XSERVER Inc.
PTRsv13242.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXmicrobrain.jp ⭐
A162.43.117.83🇯🇵 XSERVER-AS162.43.112.0/21 XSERVER Inc.
PTRsv13242.xserver.jp
TXTapple-domain-verification=AQGIIEXH7ibwRIbS
TXTv=spf1 +a:sv13242.xserver.jp +a:microbrain.jp +mx include:spf.sender.xserver....
SOAns1.xserver.jproot@xserver.jp serial=0

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1777151702

MX for

microbrain.jp

Subdomains

dns.microbrain.jp
mx.microbrain.jp

Same first word

microbrain.io
microbrain.in
microbrain.co.uk
microbrain.jp
microbrain.net
microbrain.com
microbrain.com.cn

Similar names

briancirmo.com

DNS History

18 records (7 active, 11 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jp2nd.dnsv.jpdns.microbrain.jpdns01.gmoserver.jpdns02.gmoserver.jpns01.gmoserver.jpns02.gmoserver.jpMXmicrobrain.jpmx.microbrain.jpmx2.gmoserver.jpA162.43.117.83133.130.79.44210.172.183.49210.253.109.33
○NS2nd.dnsv.jp2015-11-30 → 2015-11-30 · 4 obs
○ 2015-07-06 13:48:56
● 2015-11-30 22:48:24
○ 2016-04-18 12:53:02
○ 2026-04-25 21:57:36
○NSdns.microbrain.jp2015-11-30 → 2015-11-30 · 4 obs
○ 2015-07-06 13:48:56
● 2015-11-30 22:48:24
○ 2016-04-18 12:53:02
○ 2026-04-25 21:57:36
○NSdns01.gmoserver.jp2016-04-18 → 2018-01-27 · 5 obs
○ 2015-11-30 22:48:24
● 2016-04-18 12:53:02
● 2018-01-27 18:30:06
○ 2026-03-26 08:37:36
○ 2026-04-25 21:57:36
○NSdns02.gmoserver.jp2016-04-18 → 2018-01-27 · 5 obs
○ 2015-11-30 22:48:24
● 2016-04-18 12:53:02
● 2018-01-27 18:30:06
○ 2026-03-26 08:37:36
○ 2026-04-25 21:57:36
○NSns01.gmoserver.jp2015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 13:48:56
○ 2015-11-30 22:48:24
○ 2026-04-25 21:57:36
○NSns02.gmoserver.jp2015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 13:48:56
○ 2015-11-30 22:48:24
○ 2026-04-25 21:57:36
●NSns1.xserver.jp2026-03-26 → 2026-04-25 · 3 obs
○ 2018-01-27 18:30:06
● 2026-03-26 08:37:36
● 2026-04-25 21:57:36
●NSns2.xserver.jp2026-03-26 → 2026-04-25 · 3 obs
○ 2018-01-27 18:30:06
● 2026-03-26 08:37:36
● 2026-04-25 21:57:36
●NSns3.xserver.jp2026-03-26 → 2026-04-25 · 3 obs
○ 2018-01-27 18:30:06
● 2026-03-26 08:37:36
● 2026-04-25 21:57:36
●NSns4.xserver.jp2026-03-26 → 2026-04-25 · 3 obs
○ 2018-01-27 18:30:06
● 2026-03-26 08:37:36
● 2026-04-25 21:57:36
●NSns5.xserver.jp2026-03-26 → 2026-04-25 · 3 obs
○ 2018-01-27 18:30:06
● 2026-03-26 08:37:36
● 2026-04-25 21:57:36
●MXmicrobrain.jp2015-11-30 → 2026-04-25 · 6 obs
○ 2015-07-06 13:48:56
● 2015-11-30 22:48:24
○ 2016-04-18 12:53:02
○ 2018-01-27 18:30:06
● 2026-03-26 08:37:36
● 2026-04-25 21:57:36
○MXmx.microbrain.jp2015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 13:48:56
○ 2015-11-30 22:48:24
○ 2026-04-25 21:57:36
○MXmx2.gmoserver.jp2016-04-18 → 2018-01-27 · 5 obs
○ 2015-11-30 22:48:24
● 2016-04-18 12:53:02
● 2018-01-27 18:30:06
○ 2026-03-26 08:37:36
○ 2026-04-25 21:57:36
○A133.130.79.442015-11-30 → 2015-11-30 · 4 obs
○ 2015-07-06 13:48:56
● 2015-11-30 22:48:24
○ 2016-04-18 12:53:02
○ 2026-04-25 21:57:36
●A162.43.117.832026-03-26 → 2026-04-25 · 3 obs
○ 2018-01-27 18:30:06
● 2026-03-26 08:37:36
● 2026-04-25 21:57:36
○A210.172.183.492016-04-18 → 2018-01-27 · 5 obs
○ 2015-11-30 22:48:24
● 2016-04-18 12:53:02
● 2018-01-27 18:30:06
○ 2026-03-26 08:37:36
○ 2026-04-25 21:57:36
○A210.253.109.332015-07-06 → 2015-07-06 · 3 obs
● 2015-07-06 13:48:56
○ 2015-11-30 22:48:24
○ 2026-04-25 21:57:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
microbrain.jpns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp...11 records

✅ Authoritative Response

Server:202.226.36.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for microbrain.jp (unsigned zone)

⏱️ Timing

Total: 904ms | Queries: -

📄 Records

TypeCountSample Data
A1162.43.117.83
NS5ns5.xserver.jp, ns1.xserver.jp...
MX1microbrain.jp (pri: 0)
TXT2apple-domain-verification=AQGIIEXH7ibwRI, v=spf1 +a:sv13242.xserver.jp +a:microbra
SOA1ns1.xserver.jp root.xserver.jp

📌 Glue Records Collected

Total: 11

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

Analysis

Hierarchy

microbrain.jp is a parent of dns.microbrain.jp and mx.microbrain.jp.

Mail Server Role

microbrain.jp serves as the mail server for microbrain.jp.

IP Addresses

microbrain.jp points to IP number: 162.43.117.83.

Other host names such as senro.co.jp, bzlog.jp, nail-itsuca.com, gmo.yamamoto-hiroshi.net and meguronosanma.com share IPs with microbrain.jp.

Name Servers

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

microbrain.jp at least partially shares name servers with other domains, for instance 3pm.biz, alkublog.com, appare-house.org, fksmkg.com and shinko-sangyo.com.

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

microbrain.jp is handled by a single mail server, microbrain.jp.

microbrain.jp points to a single IP: 162.43.117.83.