customworld.jp - robtex.com

customworld.jp

DNSSEC⚠️ Not signed
NScustomworld.jp ⭐
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
MXcustomworld-jp.mail.protection.outlook.com ⭐
A2a01:111:f403:cc1a::1🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-ty3p286cu00101.inbound.protection.outlook.com
A2a01:111:f403:cc1a::3🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00203.inbound.protection.outlook.com
A2a01:111:f403:cc1f::1🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01201.inbound.protection.outlook.com
A2a01:111:f403:cc24::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01300.inbound.protection.outlook.com
A52.101.124.0🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tycp286cu02600.inbound.protection.outlook.com
A52.101.124.5🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00305.inbound.protection.outlook.com
A52.101.124.6🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00206.inbound.protection.outlook.com
A52.101.157.10🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01302.inbound.protection.outlook.com
MXtest.customworld.jp(100)
A210.188.224.9🇯🇵 SAKURA-B210.188.224.0/19 (3/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.sakura.ad.jp
TXTMS=ms61189077
TXTv=spf1 ip4:112.78.125.24 include:spf.protection.outlook.com include:spf.bmv.j...
SOAcustomworld.jppostmaster@customworld.jp serial=1762490303

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=1776014103

NS for

customworld.jp

Subdomains

www.customworld.jp
ns2.customworld.jp
test.customworld.jp

Same first word

customworld.jp
customworld.org

DNS History

12 records (5 active, 7 former)

201020122014201620182020202220242026NScustomworld.jpdns01.muumuu-domain.comdns02.muumuu-domain.comns.maihama-net.com.customworld.jpns1.customworld.jpns2.customworld.jpwww.customworld.jpMXcustomworld-jp.mail.protection.outlook.comtest.customworld.jpmail.customworld.jpns1.customworld.jpA61.122.230.71
●NScustomworld.jp2015-12-20 → 2026-04-12 · 3 obs
○ 2015-10-17 15:37:24
● 2015-12-20 12:52:34
● 2026-04-12 17:52:38
●NSdns01.muumuu-domain.com2015-12-20 → 2026-04-12 · 3 obs
○ 2015-10-17 15:37:24
● 2015-12-20 12:52:34
● 2026-04-12 17:52:38
●NSdns02.muumuu-domain.com2015-12-20 → 2026-04-12 · 3 obs
○ 2015-10-17 15:37:24
● 2015-12-20 12:52:34
● 2026-04-12 17:52:38
○NSns.maihama-net.com.customworld.jp2009-01-13 → 2009-01-13 · 3 obs
● 2009-01-13 02:34:30
○ 2015-07-26 12:45:30
○ 2026-04-12 17:52:38
○NSns1.customworld.jp2009-01-13 → 2015-10-17 · 4 obs
● 2009-01-13 02:34:30
● 2015-10-17 15:37:24
○ 2015-12-20 12:52:34
○ 2026-04-12 17:52:38
○NSns2.customworld.jp2015-07-26 → 2015-10-17 · 5 obs
○ 2009-01-13 02:34:30
● 2015-07-26 12:45:30
● 2015-10-17 15:37:24
○ 2015-12-20 12:52:34
○ 2026-04-12 17:52:38
○NSwww.customworld.jp2015-07-26 → 2015-10-17 · 5 obs
○ 2009-01-13 02:34:30
● 2015-07-26 12:45:30
● 2015-10-17 15:37:24
○ 2015-12-20 12:52:34
○ 2026-04-12 17:52:38
●MXcustomworld-jp.mail.protection.outlook.com2016-07-04 → 2026-04-12 · 3 obs
○ 2016-04-02 15:34:04
● 2016-07-04 16:13:58
● 2026-04-12 17:52:38
○MXmail.customworld.jp2015-07-26 → 2016-04-02 · 5 obs
○ 2009-01-13 02:34:30
● 2015-07-26 12:45:30
● 2016-04-02 15:34:04
○ 2016-07-04 16:13:58
○ 2026-04-12 17:52:38
○MXns1.customworld.jp2009-01-13 → 2009-01-13 · 3 obs
● 2009-01-13 02:34:30
○ 2015-07-26 12:45:30
○ 2026-04-12 17:52:38
●MXtest.customworld.jp2026-04-12 → 2026-04-12 · 3 obs
○ 2016-07-04 16:13:58
● 2026-04-12 05:28:52
● 2026-04-12 17:52:38
○A61.122.230.712009-01-13 → 2009-01-13 · 3 obs
● 2009-01-13 02:34:30
○ 2015-07-26 12:45:30
○ 2026-04-12 17:52:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
customworld.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 customworld.jp (unsigned zone)

⏱️ Timing

Total: 1501ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns01.muumuu-domain.com, dns02.muumuu-domain.com
MX2test.customworld.jp (pri: 100), customworld-jp.mail.protection.outlook.c
TXT2MS=ms61189077, v=spf1 ip4:112.78.125.24 include:spf.pro
SOA1customworld.jp postmaster.customworld.jp

Analysis

Hierarchy

customworld.jp is a parent of www.customworld.jp, ns2.customworld.jp and test.customworld.jp.

Name Server Role

customworld.jp serves as a name server for customworld.jp.

dns01.muumuu-domain.com and dns02.muumuu-domain.com are commonly used as name servers together with customworld.jp.

Name Servers

customworld.jp is delegated to three name servers: customworld.jp, dns01.muumuu-domain.com and dns02.muumuu-domain.com.

customworld.jp at least partially shares name servers with other domains, for instance attcus.pro, life-up.net, videometer.net, afil.jp and dorakuma.com.

Host names with one IP number:

The host dns01.muumuu-domain.com points to 202.239.23.39 and the host dns02.muumuu-domain.com points to 160.251.249.62.

Mail Servers

customworld.jp is handled by two mail servers: test.customworld.jp and customworld-jp.mail.protection.outlook.com.

Host names with eight IP numbers: The host name customworld-jp.mail.protection.outlook.com points to: 2a01:111:f403:cc1a::1, 2a01:111:f403:cc1a::3, 2a01:111:f403:cc1f::1, 2a01:111:f403:cc24::, 52.101.124.0, 52.101.124.5, 52.101.124.6 and 52.101.157.10. Host names with one IP number: The host name test.customworld.jp points to: 210.188.224.9.