knowledge-base.jp - dns.ninja

knowledge-base.jp

DNSSEC⚠️ Not signed
A163.44.185.183🇯🇵 GMO-INTERNET163.44.176.0/20 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
NSdns01.muumuu-domain.com ⭐
A202.239.23.39🇯🇵 IDC202.239.23.0/24 Frontier Inc.
NSdns02.muumuu-domain.com
A160.251.249.62🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
MXsmtp.google.com ⭐
A2607:f8b0:4004:c1b::1a🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f26.1e100.net
A2607:f8b0:4004:c1b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f27.1e100.net
A2607:f8b0:4004:c1d::1a🇺🇸 Google2607:f8b0:4004::/48
PTRww-in-f26.1e100.net
A2607:f8b0:4004:c1d::1b🇺🇸 Google2607:f8b0:4004::/48
PTRww-in-f27.1e100.net
A142.251.163.26🇺🇸 Google142.251.163.0/24
A142.251.163.27🇺🇸 Google142.251.163.0/24
A142.251.167.26🇺🇸 Google142.251.167.0/24
PTRww-in-f26.1e100.net
A142.251.167.27🇺🇸 Google142.251.167.0/24
A192.178.155.26🇺🇸 Google192.178.155.0/24
TXTgoogle-site-verification=KT5AIIk_8z95AoSoc7IUI5Yx0KhnXwRWkQEUKk5nxSo
SOAdns01.muumuu-domain.compostmaster@knowledge-base.jp serial=1769421624

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=1783148403

Same first word

knowledge-base.biz
knowledge-base.at
knowledge-base.si
knowledge-base.bplaced.net
knowledge-base.com
knowledge-base.jp
knowledge-base.net

DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026NSdns01.muumuu-domain.comdns02.muumuu-domain.comuns01.lolipop.jpuns02.lolipop.jpMXsmtp.google.commx01.lolipop.jpA163.44.185.183150.95.232.114157.7.107.93210.172.144.248
●NSdns01.muumuu-domain.com2026-03-26 → 2026-07-04 · 3 obs
○ 2017-06-09 11:20:26
● 2026-03-26 08:36:52
● 2026-07-04 07:55:22
●NSdns02.muumuu-domain.com2026-03-26 → 2026-07-04 · 3 obs
○ 2017-06-09 11:20:26
● 2026-03-26 08:36:52
● 2026-07-04 07:55:22
○NSuns01.lolipop.jp2015-06-21 → 2017-06-09 · 4 obs
● 2015-06-21 18:51:50
● 2017-06-09 11:20:26
○ 2026-03-26 08:36:52
○ 2026-07-04 07:55:22
○NSuns02.lolipop.jp2015-11-15 → 2017-06-09 · 5 obs
○ 2015-06-21 18:51:50
● 2015-11-15 18:21:06
● 2017-06-09 11:20:26
○ 2026-03-26 08:36:52
○ 2026-07-04 07:55:22
○MXmx01.lolipop.jp2015-11-15 → 2017-06-09 · 4 obs
● 2015-11-15 18:21:06
● 2017-06-09 11:20:26
○ 2026-03-26 08:36:52
○ 2026-07-04 07:55:22
●MXsmtp.google.com2026-03-26 → 2026-07-04 · 3 obs
○ 2017-06-09 11:20:26
● 2026-03-26 08:36:52
● 2026-07-04 07:55:22
○A150.95.232.1142017-06-09 → 2017-06-09 · 4 obs
○ 2016-12-02 00:06:36
● 2017-06-09 11:20:26
○ 2026-03-26 08:36:52
○ 2026-07-04 07:55:22
○A157.7.107.932016-04-22 → 2016-12-02 · 5 obs
○ 2016-02-01 07:21:50
● 2016-04-22 06:49:56
● 2016-12-02 00:06:36
○ 2017-06-09 11:20:26
○ 2026-07-04 07:55:22
●A163.44.185.1832026-03-26 → 2026-07-04 · 3 obs
○ 2017-06-09 11:20:26
● 2026-03-26 08:36:52
● 2026-07-04 07:55:22
○A210.172.144.2482015-06-21 → 2016-02-01 · 4 obs
● 2015-06-21 18:51:50
● 2016-02-01 07:21:50
○ 2016-04-22 06:49:56
○ 2026-07-04 07:55:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
knowledge-base.jpdns01.muumuu-domain.com, dns02.muumuu-domain.com-

✅ Authoritative Response

Server:202.239.23.39

NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge-base.jp (unsigned zone)

⏱️ Timing

Total: 1492ms | Queries: -

📄 Records

TypeCountSample Data
A1163.44.185.183
NS2dns01.muumuu-domain.com, dns02.muumuu-domain.com
MX1SMTP.GOOGLE.COM (pri: 1)
TXT1google-site-verification=KT5AIIk_8z95AoS
SOA1dns01.muumuu-domain.com postmaster.knowl

Analysis

IP Addresses

knowledge-base.jp resolves to just one IP address, 163.44.185.183.

Two other host names, along with suzukilabo.com, ao-aoao.com and kobesad.jp, also share IP numbers with knowledge-base.jp.

Name Servers

knowledge-base.jp is delegated to two name servers: dns01.muumuu-domain.com and dns02.muumuu-domain.com.

knowledge-base.jp shares its NS records with other domains, for example chu-an.jp, sitesbytheslice.com, le-bijou.jp and two others.

knowledge-base.jp partially shares its NS delegation with several other domains, including fukudaya-manbei.com, bc-ss.net, kvf.jp and two others.

dns01.muumuu-domain.com resolves to 202.239.23.39. dns02.muumuu-domain.com resolves to 160.251.249.62. Both host names point to a single IP number.

Mail Servers

The sole mail server for knowledge-base.jp is smtp.google.com.

Among the domains sharing a mail server setup with knowledge-base.jp are mx3.alogys.com.ar, thetext.app, yorozu-seiko.co.jp and two others.

There is at least a partial MX overlap between knowledge-base.jp and other domains, including enronglobal.com, marketingcafe.in, betterregulation.or.kr and two others.

The mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and aspmx.l.google.com frequently co-occur with these mail servers.

With 9 IP addresses total, smtp.google.com resolves to 142.251.163.26, 142.251.163.27, 142.251.167.26 and 6 others.