leadbrain.co.jp - robtex.com

leadbrain.co.jp

DNSSEC⚠️ Not signed
A203.183.138.56🇯🇵 IDC203.183.128.0/20 Frontier Inc.
NSns1.dns-server.jp.leadbrain.co.jp ⭐
A203.183.138.56🇯🇵 IDC203.183.128.0/20 Frontier Inc.
NSns1.dns-server.jp
A210.239.65.38🇯🇵 IDC210.239.64.0/21 Frontier Inc.
PTRns1.dns-server.jp
NSns2.dns-server.jp
A18.177.45.193🇯🇵 Amazon18.176.0.0/15 EC2 NRT prefix
PTRec2-18-177-45-193.ap-northeast-1.compute.amazonaws.com
NSns3.dns-server.jp
A210.152.8.223🇯🇵 IDC210.152.0.0/20 Frontier Inc.
PTRns3.dns-server.jp
NSns4.dns-server.jp
A15.168.90.255🇯🇵 Amazon15.168.0.0/16 EC2 KIX Prefix
PTRec2-15-168-90-255.ap-northeast-3.compute.amazonaws.com
MXsmtp.google.com ⭐
A2607:f8b0:4004:c17::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbl-in-f27.1e100.net
A2607:f8b0:4004:c1f::1a🇺🇸 Google2607:f8b0:4004::/48
PTRpd-in-f26.1e100.net
A2607:f8b0:4004:c1f::1b🇺🇸 Google2607:f8b0:4004::/48
PTRpd-in-f27.1e100.net
A2607:f8b0:4004:c21::1b🇺🇸 Google2607:f8b0:4004::/48
PTRpe-in-f27.1e100.net
A64.233.180.26🇺🇸 Google64.233.180.0/24
PTRon-in-f26.1e100.net
PTRpe-in-f26.1e100.net
A64.233.180.27🇺🇸 Google64.233.180.0/24
PTRon-in-f27.1e100.net
PTRpe-in-f27.1e100.net
A142.251.16.26🇺🇸 Google142.251.16.0/24
PTRbl-in-f26.1e100.net
A142.251.179.26🇺🇸 Google142.251.179.0/24
PTRpd-in-f26.1e100.net
A142.251.179.27🇺🇸 Google142.251.179.0/24
PTRpd-in-f27.1e100.net
TXTv=spf1 +a +mx +ip4:203.183.138.56 +ip4:203.183.138.57 +ip4:203.183.138.58 +ip...
TXTgoogle-site-verification=r9hlWbBdzXT_RzjxQY3IZRCitnIsEdE__PZ1c8xJzTg
TXTgoogle-site-verification=HGQ9bbttG7ATr7U1AG7kaeEmmKeSFhoGXIltRkUhfLw
TXTMS=ms91180671
SOAns1.dns-server.jp.leadbrain.co.jpdomain@seeds.co.jp.leadbrain.co.jp 2026-03-23 #1

co.jp

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

Same first word

leadbrain.com
leadbrain.uk
leadbrain.co.jp

Similar names

abledrain.com
balandier.com
rainblade.ru
raidenlab.com
alberdina.nl
briandale.com
randiabel.dk
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iberlanda.com
brainlead.it
dinabarel.com
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bridalane.com
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bandalier.co
abledrain.ca
landireba.ch

DNS History

13 records (7 active, 6 former)

20192020202120222023202420252026NSns1.dns-server.jpns1.dns-server.jp.leadbrain.co.jpns2.dns-server.jpns3.dns-server.jpns4.dns-server.jpns6.cpi.ad.jpns7.cpi.ad.jpMXsmtp.google.comvlmx20.secure.ne.jpvlmx21.secure.ne.jpvlmx22.secure.ne.jpA203.183.138.56150.60.156.157
●NSns1.dns-server.jp2026-07-17 → 2026-07-30 · 3 obs
○ 2018-01-24 12:41:56
● 2026-07-17 07:40:06
● 2026-07-30 00:18:28
●NSns1.dns-server.jp.leadbrain.co.jp2026-07-17 → 2026-07-30 · 3 obs
○ 2018-01-24 12:41:56
● 2026-07-17 07:40:06
● 2026-07-30 00:18:28
●NSns2.dns-server.jp2026-07-17 → 2026-07-30 · 3 obs
○ 2018-01-24 12:41:56
● 2026-07-17 07:40:06
● 2026-07-30 00:18:28
●NSns3.dns-server.jp2026-07-17 → 2026-07-30 · 3 obs
○ 2018-01-24 12:41:56
● 2026-07-17 07:40:06
● 2026-07-30 00:18:28
●NSns4.dns-server.jp2026-07-17 → 2026-07-30 · 3 obs
○ 2018-01-24 12:41:56
● 2026-07-17 07:40:06
● 2026-07-30 00:18:28
○NSns6.cpi.ad.jp2018-01-24 → 2018-01-24 · 3 obs
● 2018-01-24 12:41:56
○ 2026-07-17 07:40:06
○ 2026-07-30 00:18:28
○NSns7.cpi.ad.jp2018-01-24 → 2018-01-24 · 3 obs
● 2018-01-24 12:41:56
○ 2026-07-17 07:40:06
○ 2026-07-30 00:18:28
●MXsmtp.google.com2026-07-17 → 2026-07-30 · 3 obs
○ 2018-01-24 12:41:56
● 2026-07-17 07:40:06
● 2026-07-30 00:18:28
○MXvlmx20.secure.ne.jp2018-01-24 → 2018-01-24 · 3 obs
● 2018-01-24 12:41:56
○ 2026-07-17 07:40:06
○ 2026-07-30 00:18:28
○MXvlmx21.secure.ne.jp2018-01-24 → 2018-01-24 · 3 obs
● 2018-01-24 12:41:56
○ 2026-07-17 07:40:06
○ 2026-07-30 00:18:28
○MXvlmx22.secure.ne.jp2018-01-24 → 2018-01-24 · 3 obs
● 2018-01-24 12:41:56
○ 2026-07-17 07:40:06
○ 2026-07-30 00:18:28
○A150.60.156.1572018-01-24 → 2018-01-24 · 3 obs
● 2018-01-24 12:41:56
○ 2026-07-17 07:40:06
○ 2026-07-30 00:18:28
●A203.183.138.562026-07-17 → 2026-07-30 · 3 obs
○ 2018-01-24 12:41:56
● 2026-07-17 07:40:06
● 2026-07-30 00:18:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
leadbrain.co.jpns1.dns-server.jp, ns4.dns-server.jp, ns3.dns-server.jp, ns2.dns-server.jp4 records

✅ Authoritative Response

Server:210.239.65.38

NS records: ns1.dns-server.jp, ns4.dns-server.jp, ns3.dns-server.jp, ns2.dns-server.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leadbrain.co.jp (unsigned zone)

⏱️ Timing

Total: 881ms | Queries: -

📄 Records

TypeCountSample Data
A1203.183.138.56
NS4ns2.dns-server.jp, ns3.dns-server.jp...
MX1SMTP.GOOGLE.COM (pri: 1)
TXT4google-site-verification=r9hlWbBdzXT_Rzj, google-site-verification=HGQ9bbttG7ATr7U...
SOA1ns1.dns-server.jp.leadbrain.co.jp domain

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns4.dns-server.jp, ns3.dns-server.jp, ns2.dns-server.jp...)

Analysis

IP Addresses

leadbrain.co.jp resolves to just one IP address, 203.183.138.56.

Two other host names, along with mail.yoshino-ceremony.com, jdc1974.co.jp and mail.jdc1974.co.jp, also share IP numbers with leadbrain.co.jp.

Name Servers

leadbrain.co.jp delegates to five name servers: ns1.dns-server.jp, ns2.dns-server.jp, ns3.dns-server.jp and two others.

At least some of leadbrain.co.jp's name servers are shared with other domains, for example saicity-j.or.jp, central-j.com, agemochi-yohei.com and two more.

These name servers tend to be used in conjunction with the name servers ns4.dns-server.jp.

Host names that point to one IP address:

The hostname ns1.dns-server.jp resolves to 210.239.65.38.

The hostname ns2.dns-server.jp resolves to 18.177.45.193.

The hostname ns3.dns-server.jp resolves to 210.152.8.223.

The hostname ns4.dns-server.jp resolves to 15.168.90.255.

The hostname ns1.dns-server.jp.leadbrain.co.jp resolves to 203.183.138.56.

Mail Servers

The sole mail server for leadbrain.co.jp is smtp.google.com.

Among the domains sharing a mail server setup with leadbrain.co.jp are legacy.fish, panconnect.cz, richardjarnefelt.com and two others.

leadbrain.co.jp overlaps on mail servers with several other domains, for example hf-grp.com, nofomo.com, rachada.ac.th and stephenbentley.info.

With 9 IP addresses total, smtp.google.com resolves to 64.233.180.26, 64.233.180.27, 142.251.16.26 and 6 others.