microbit.co.jp - robtex.com

microbit.co.jp

DNSSEC⚠️ Not signed
A85.131.213.4🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv16623.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
MXmicrobit.co.jp ⭐
A85.131.213.4🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc.
PTRsv16623.xserver.jp
TXTv=spf1 +a:sv16623.xserver.jp +a:microbit.co.jp +mx include:spf.sender.xserver...
SOAns1.xserver.jproot@xserver.jp serial=0

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

MX for

microbit.co.jp

Same first word

microbit.sg
microbit.com.sg
microbit.com.mx
microbit.solutions
microbit.co
microbit.co.uk
microbit.readthedocs.io
microbit.biz
microbit.net
microbit.education
microbit.cz
microbit.gr
microbit.co.il
microbit.com.es
microbit.cn
microbit.ru
microbit.com
microbit.foundation
microbit.dk
microbit.tn
microbit.se
microbit.it
microbit.hu
microbit.co.in
microbit.de
microbit.es
microbit.kr
microbit.co.jp
microbit.site
microbit.mx
microbit.nl
microbit.org
microbit.pl
microbit.eu

Similar names

bitmicro.de
microtib.com
microtib.co.uk
bitmicro.com
briticom.com
bitmicro.ru
bitmicro.net

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jp2nd.dnsv.jpdns.microbit.co.jpns01.gmoserver.jpns02.gmoserver.jpMXmicrobit.co.jpmx.microbit.co.jpA85.131.213.4133.130.69.156211.125.83.97
○NS2nd.dnsv.jp2015-10-18 → 2017-01-05 · 5 obs
○ 2015-08-26 20:53:54
● 2015-10-18 22:14:00
● 2017-01-05 13:58:56
○ 2026-04-07 11:33:12
○ 2026-04-14 18:25:30
○NSdns.microbit.co.jp2015-10-18 → 2017-01-05 · 5 obs
○ 2015-08-26 20:53:54
● 2015-10-18 22:14:00
● 2017-01-05 13:58:56
○ 2026-04-07 11:33:12
○ 2026-04-14 18:25:30
○NSns01.gmoserver.jp2015-08-26 → 2015-08-26 · 3 obs
● 2015-08-26 20:53:54
○ 2015-10-18 22:14:00
○ 2026-04-14 18:25:30
○NSns02.gmoserver.jp2015-08-26 → 2015-08-26 · 3 obs
● 2015-08-26 20:53:54
○ 2015-10-18 22:14:00
○ 2026-04-14 18:25:30
●NSns1.xserver.jp2026-04-07 → 2026-04-14 · 3 obs
○ 2017-01-05 13:58:56
● 2026-04-07 11:33:12
● 2026-04-14 18:25:30
●NSns2.xserver.jp2026-04-07 → 2026-04-14 · 3 obs
○ 2017-01-05 13:58:56
● 2026-04-07 11:33:12
● 2026-04-14 18:25:30
●NSns3.xserver.jp2026-04-07 → 2026-04-14 · 3 obs
○ 2017-01-05 13:58:56
● 2026-04-07 11:33:12
● 2026-04-14 18:25:30
●NSns4.xserver.jp2026-04-07 → 2026-04-14 · 3 obs
○ 2017-01-05 13:58:56
● 2026-04-07 11:33:12
● 2026-04-14 18:25:30
●NSns5.xserver.jp2026-04-07 → 2026-04-14 · 3 obs
○ 2017-01-05 13:58:56
● 2026-04-07 11:33:12
● 2026-04-14 18:25:30
●MXmicrobit.co.jp2015-10-18 → 2026-04-14 · 3 obs
○ 2015-08-26 20:53:54
● 2015-10-18 22:14:00
● 2026-04-14 18:25:30
○MXmx.microbit.co.jp2015-08-26 → 2015-08-26 · 3 obs
● 2015-08-26 20:53:54
○ 2015-10-18 22:14:00
○ 2026-04-14 18:25:30
○A133.130.69.1562015-10-18 → 2017-01-05 · 5 obs
○ 2015-08-26 20:53:54
● 2015-10-18 22:14:00
● 2017-01-05 13:58:56
○ 2026-04-07 11:33:12
○ 2026-04-14 18:25:30
○A211.125.83.972015-08-26 → 2015-08-26 · 3 obs
● 2015-08-26 20:53:54
○ 2015-10-18 22:14:00
○ 2026-04-14 18:25:30
●A85.131.213.42026-04-07 → 2026-04-14 · 3 obs
○ 2017-01-05 13:58:56
● 2026-04-07 11:33:12
● 2026-04-14 18:25:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
microbit.co.jpns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...11 records

✅ Authoritative Response

Server:202.226.36.164

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 microbit.co.jp (unsigned zone)

⏱️ Timing

Total: 2898ms | Queries: -

📄 Records

TypeCountSample Data
A185.131.213.4
NS5ns4.xserver.jp, ns5.xserver.jp...
MX1microbit.co.jp (pri: 0)
TXT1v=spf1 +a:sv16623.xserver.jp +a:microbit
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

Mail Server Role

microbit.co.jp serves as a mail server for microbit.co.jp.

IP Addresses

microbit.co.jp points to a single IP: 85.131.213.4.

Other host names, for instance sv16623.xserver.jp, megstravel.com, everyonesguide.net, buzzdays.net and www.rikenoptech.com share IP numbers with microbit.co.jp.

Name Servers

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

microbit.co.jp partially shares name servers with other domains; examples include 0mori.com, opus-i.com, photo-room.net, the-vocal.com and koirase.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

microbit.co.jp is handled by a single mail server, microbit.co.jp.

microbit.co.jp points to a single IP: 85.131.213.4.