geniusbrain.jp - robtex.com

geniusbrain.jp

DNSSEC⚠️ Not signed
A219.94.129.181🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww1141.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
MXgeniusbrain.jp ⭐
A219.94.129.181🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww1141.sakura.ne.jp
TXTv=spf1 a:www1141.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2026-03-19 #1

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=1784097902
WOT: SAFE (60/100)

MX for

geniusbrain.jp

Same first word

geniusbrain.click
geniusbrain.com
geniusbrain.education
geniusbrain.jp
geniusbrain.net

Similar names

braingenius.com
brianseguin.com
ingeniusbar.com
unibearings.com

DNS History

16 records (5 active, 11 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns-1245.awsdns-27.orgns-1724.awsdns-23.co.ukns-275.awsdns-34.comns-791.awsdns-34.netnsas1.firstserver.ne.jpnsas2.firstserver.ne.jpMXgeniusbrain.jpmail.geniusbrain.jpmx1.firstserver.ne.jpmx2.firstserver.ne.jpA219.94.129.181154.34.11.41203.183.77.10
●NSmaster.dns.ne.jp2026-04-29 → 2026-07-15 · 3 obs
○ 2018-01-23 16:58:54
● 2026-04-29 04:05:42
● 2026-07-15 07:15:10
○NSns-1245.awsdns-27.org2018-01-23 → 2018-01-23 · 4 obs
○ 2017-01-16 00:38:48
● 2018-01-23 16:58:54
○ 2026-04-29 04:05:42
○ 2026-07-15 07:15:10
○NSns-1724.awsdns-23.co.uk2018-01-23 → 2018-01-23 · 4 obs
○ 2017-01-16 00:38:48
● 2018-01-23 16:58:54
○ 2026-04-29 04:05:42
○ 2026-07-15 07:15:10
○NSns-275.awsdns-34.com2018-01-23 → 2018-01-23 · 4 obs
○ 2017-01-16 00:38:48
● 2018-01-23 16:58:54
○ 2026-04-29 04:05:42
○ 2026-07-15 07:15:10
○NSns-791.awsdns-34.net2018-01-23 → 2018-01-23 · 4 obs
○ 2017-01-16 00:38:48
● 2018-01-23 16:58:54
○ 2026-04-29 04:05:42
○ 2026-07-15 07:15:10
●NSns1.dns.ne.jp2026-04-29 → 2026-07-15 · 3 obs
○ 2018-01-23 16:58:54
● 2026-04-29 04:05:42
● 2026-07-15 07:15:10
●NSns2.dns.ne.jp2026-04-29 → 2026-07-15 · 3 obs
○ 2018-01-23 16:58:54
● 2026-04-29 04:05:42
● 2026-07-15 07:15:10
○NSnsas1.firstserver.ne.jp2015-06-19 → 2017-01-16 · 4 obs
● 2015-06-19 02:06:08
● 2017-01-16 00:38:48
○ 2018-01-23 16:58:54
○ 2026-07-15 07:15:10
○NSnsas2.firstserver.ne.jp2015-06-19 → 2017-01-16 · 4 obs
● 2015-06-19 02:06:08
● 2017-01-16 00:38:48
○ 2018-01-23 16:58:54
○ 2026-07-15 07:15:10
●MXgeniusbrain.jp2026-04-29 → 2026-07-15 · 3 obs
○ 2018-01-23 16:58:54
● 2026-04-29 04:05:42
● 2026-07-15 07:15:10
○MXmail.geniusbrain.jp2015-06-19 → 2018-01-23 · 4 obs
● 2015-06-19 02:06:08
● 2018-01-23 16:58:54
○ 2026-04-29 04:05:42
○ 2026-07-15 07:15:10
○MXmx1.firstserver.ne.jp2015-06-19 → 2017-01-16 · 4 obs
● 2015-06-19 02:06:08
● 2017-01-16 00:38:48
○ 2018-01-23 16:58:54
○ 2026-07-15 07:15:10
○MXmx2.firstserver.ne.jp2015-06-19 → 2017-01-16 · 4 obs
● 2015-06-19 02:06:08
● 2017-01-16 00:38:48
○ 2018-01-23 16:58:54
○ 2026-07-15 07:15:10
○A154.34.11.412018-01-23 → 2018-01-23 · 4 obs
○ 2017-01-16 00:38:48
● 2018-01-23 16:58:54
○ 2026-04-29 04:05:42
○ 2026-07-15 07:15:10
○A203.183.77.102015-06-19 → 2017-01-16 · 4 obs
● 2015-06-19 02:06:08
● 2017-01-16 00:38:48
○ 2018-01-23 16:58:54
○ 2026-07-15 07:15:10
●A219.94.129.1812026-04-29 → 2026-07-15 · 3 obs
○ 2018-01-23 16:58:54
● 2026-04-29 04:05:42
● 2026-07-15 07:15:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
geniusbrain.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ Authoritative Response

Server:133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for geniusbrain.jp (unsigned zone)

⏱️ Timing

Total: 951ms | Queries: -

📄 Records

TypeCountSample Data
A1219.94.129.181
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1geniusbrain.jp (pri: 10)
TXT1v=spf1 a:www1141.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

geniusbrain.jp serves as a mail server for geniusbrain.jp.

IP Addresses

geniusbrain.jp has exactly one IP address — 219.94.129.181.

www1141.sakura.ne.jp, hi-lo.jp, yukimasahirota.com plus two other host names have IP numbers in common with geniusbrain.jp.

Name Servers

The authoritative name servers for geniusbrain.jp are master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp — three in total.

There is at least partial name server overlap between geniusbrain.jp and other domains — msv-im00184.sakura.ne.jp, pine-cc.com, rexlaboratory.sakura.ne.jp and two more among them.

The hostnames master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP: master.dns.ne.jp → 210.224.172.18, ns1.dns.ne.jp → 61.211.236.1, ns2.dns.ne.jp → 133.167.21.1.

Mail Servers

geniusbrain.jp uses exactly one mail server, which is geniusbrain.jp.

geniusbrain.jp directs to just one IP number, 219.94.129.181.