smartbrain.jp - robtex.com

smartbrain.jp

DNSSEC⚠️ Not signed
A163.43.87.186🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRwww3946.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRns2.dns.ne.jp
MXsmartbrain.jp ⭐
A163.43.87.186🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRwww3946.sakura.ne.jp
TXTv=spf1 a:www3946.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2023-06-28 #12

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=1773558003

MX for

smartbrain.jp

Same first word

smartbrain.com.br
smartbrain.no
smartbrain.jp
smartbrain.gmbh
smartbrain.in
smartbrain.digital
smartbrain.se
smartbrain.herokuapp.com
smartbrain.io
smartbrain.ca
smartbrain.ch
smartbrain.com
smartbrain.de
smartbrain.org
smartbrain.co.uk
smartbrain.net
smartbrain.edu.vn
smartbrain.info

Similar names

brainsmart.net
brainsmart.com.au
birnamarts.com
brainsmart.co
brainsmart.com
mirabtrans.pro
brainsmart.org

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpdns.itecjapan.jpsv.smartbrain.jpsv1.itecjapan.ne.jpsv3.itecjapan.ne.jpMXsmartbrain.jpsv.smartbrain.jpA163.43.87.18661.206.41.16
○NSdns.itecjapan.jp2015-07-26 → 2017-04-18 · 4 obs
● 2015-07-26 02:14:44
● 2017-04-18 09:46:52
○ 2026-03-19 14:14:00
○ 2026-03-23 11:45:20
●NSmaster.dns.ne.jp2026-03-19 → 2026-03-23 · 3 obs
○ 2017-04-18 09:46:52
● 2026-03-19 14:14:00
● 2026-03-23 11:45:20
●NSns1.dns.ne.jp2026-03-19 → 2026-03-23 · 3 obs
○ 2017-04-18 09:46:52
● 2026-03-19 14:14:00
● 2026-03-23 11:45:20
●NSns2.dns.ne.jp2026-03-19 → 2026-03-23 · 3 obs
○ 2017-04-18 09:46:52
● 2026-03-19 14:14:00
● 2026-03-23 11:45:20
○NSsv.smartbrain.jp2015-07-26 → 2017-04-18 · 4 obs
● 2015-07-26 02:14:44
● 2017-04-18 09:46:52
○ 2026-03-19 14:14:00
○ 2026-03-23 11:45:20
○NSsv1.itecjapan.ne.jp2015-07-26 → 2017-04-18 · 4 obs
● 2015-07-26 02:14:44
● 2017-04-18 09:46:52
○ 2026-03-19 14:14:00
○ 2026-03-23 11:45:20
○NSsv3.itecjapan.ne.jp2015-07-26 → 2017-04-18 · 4 obs
● 2015-07-26 02:14:44
● 2017-04-18 09:46:52
○ 2026-03-19 14:14:00
○ 2026-03-23 11:45:20
●MXsmartbrain.jp2026-03-19 → 2026-03-23 · 3 obs
○ 2017-04-18 09:46:52
● 2026-03-19 14:14:00
● 2026-03-23 11:45:20
○MXsv.smartbrain.jp2015-07-26 → 2017-04-18 · 4 obs
● 2015-07-26 02:14:44
● 2017-04-18 09:46:52
○ 2026-03-19 14:14:00
○ 2026-03-23 11:45:20
●A163.43.87.1862026-03-19 → 2026-03-23 · 3 obs
○ 2017-04-18 09:46:52
● 2026-03-19 14:14:00
● 2026-03-23 11:45:20
○A61.206.41.162015-07-26 → 2017-04-18 · 4 obs
● 2015-07-26 02:14:44
● 2017-04-18 09:46:52
○ 2026-03-19 14:14:00
○ 2026-03-23 11:45:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
smartbrain.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

NS records: ns2.dns.ne.jp, ns1.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartbrain.jp (unsigned zone)

⏱️ Timing

Total: 2495ms | Queries: -

📄 Records

TypeCountSample Data
A1163.43.87.186
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1smartbrain.jp (pri: 10)
TXT1v=spf1 a:www3946.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

Mail Server Role

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

IP Addresses

smartbrain.jp points to a single IP number: 163.43.87.186.

Other host names, for instance essenz.co.jp, hkdmzplus.com, reien-pet.net, sayuko.net and beatwizard.com share IP numbers with smartbrain.jp.

Name Servers

The domain smartbrain.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

smartbrain.jp shares name servers with other domains at least partially, for instance wtw.jp, etowa.info, himagame.netoge24.com, gu-mi.com and cs-teate.com.

these name servers are often used together with the name servers dns.sakura.ad.jp.

Host names with a single IP number:

master.dns.ne.jp points to 210.224.172.18.

ns1.dns.ne.jp points to 61.211.236.1.

ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

A single mail server handles smartbrain.jp and smartbrain.jp.

Host name smartbrain.jp resolves to IP 163.43.87.186.