corebrain.net - dns.ninja

corebrain.net

DNSSEC⚠️ Not signed
A59.106.19.71🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww641.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
MXcorebrain.net ⭐
A59.106.19.71🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww641.sakura.ne.jp
TXTv=spf1 a:www641.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2016-07-21 #1

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1782460130

MX for

corebrain.net

Same first word

corebrain.com
corebrain.ai
corebrain.cn
corebrain.net
corebrain.com.cn

Similar names

barnicore.com
robincare.co.uk
brencoair.com
iconrebar.com
cobrainer.cloud
ericbonar.com
braincore.co.uk
braincore.org
braincore.net
bearicorn.com
obriencar.com
braincore.ch
braincore.solutions
braconier.com
cobrainer.de
brainreco.com
ericbaron.com
braincore.de
braincore.swiss
braincore.com

DNS History

5 records (5 active, 0 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXcorebrain.netA59.106.19.71
●NSmaster.dns.ne.jp2015-07-07 → 2026-06-26 · 2 obs
● 2015-07-07 19:25:14
● 2026-06-26 07:58:48
●NSns1.dns.ne.jp2015-07-07 → 2026-06-26 · 2 obs
● 2015-07-07 19:25:14
● 2026-06-26 07:58:48
●NSns2.dns.ne.jp2015-07-07 → 2026-06-26 · 2 obs
● 2015-07-07 19:25:14
● 2026-06-26 07:58:48
●MXcorebrain.net2015-07-07 → 2026-06-26 · 2 obs
● 2015-07-07 19:25:14
● 2026-06-26 07:58:48
●A59.106.19.712015-07-07 → 2026-06-26 · 2 obs
● 2015-07-07 19:25:14
● 2026-06-26 07:58:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
corebrain.netns1.dns.ne.jp, ns2.dns.ne.jp-

✅ 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 corebrain.net (unsigned zone)

⏱️ Timing

Total: 944ms | Queries: -

📄 Records

TypeCountSample Data
A159.106.19.71
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1corebrain.net (pri: 10)
TXT1v=spf1 a:www641.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

corebrain.net is listed as a mail server for itself.

IP Addresses

corebrain.net resolves to one IP address: 59.106.19.71.

n-tone.com, onuma-ss.co.jp, tama-drops.net and two other host names share IP numbers with corebrain.net.

Name Servers

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

corebrain.net shares at least some of its name servers with other domains, including sakamotodenki.jp, kawakodensuisya.co.jp, ishihara-e.com and two others.

These name servers are frequently seen alongside the name servers dns.sakura.ad.jp.

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

Mail for corebrain.net is handled by one mail server — corebrain.net.

corebrain.net directs to just one IP number, 59.106.19.71.