cortex.jp - dns.ninja

cortex.jp

DNSSEC⚠️ Not signed
A118.13.188.166🇯🇵 OCN118.0.0.0/12 (AS4713) CIDR BLOCK 85 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
PTRp3155166-ipxg00b01tokaisakaetozai.aichi.ocn.ne.jp
NSns1.value-domain.com ⭐
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.value-domain.com
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns4.value-domain.com ⚠️ Not in zone NS records
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns5.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAns1.value-domain.comhostmaster@cortex.jp 2025-07-01 #16

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=1781771403

Same first word

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cortex.camera
cortex.kg
cortex.computer
cortex.la
cortex.be
cortex.eu
cortex.fr
cortex.com.br
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cortex.inc
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cortex.awsapps.com

Similar names

roxtec.sg
roxtec.it
trexco.eu
xtcore.wiki
cretox.com
crotex.com
crotex.de
cetrox.com.br
roxtec.ro
roxtec.co.nz
excort.net
roxtec.com.tr
corext.com.es
excort.de
crotex.net
roxtec.pt
trexoc.com
roxtec.kz
crotex.eu
txcore.com
roxtec.co.za
roxtec.nl
xetroc.com
roxtec.org
corext.blob.core.windows.net
roxtec.de
txcore.net
cotrex.de
roxtec.no
roxtec.co
xector.net
roxtec.com.sg
roxtec.hu
excort.com
trexco.com
roxtec.com.br
roxtec.net
roxtec.es
roxtec.se
roxtec.mx
roxtec.ch
corext.com
roxtec.ru
roxtec.lt
roxtec.in
trexco.co.in
rectox.com
xortec.fi
roxtec.com
trexco.in
roxtec.cl
trexco.net
roxtec.sk
roxtec.co.il
roxtec.co.uk
xtcore.com
roxtec.cz
roxtec.be

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSns1.value-domain.comns2.value-domain.comns3.value-domain.comns4.value-domain.comns5.value-domain.comMXcortex.sakura.ne.jptakatronix.sakura.ne.jpA118.13.188.166122.16.145.43124.100.158.184157.7.125.249221.185.67.149
●NSns1.value-domain.com2015-08-13 → 2026-06-18 · 2 obs
● 2015-08-13 12:15:52
● 2026-06-18 08:44:40
●NSns2.value-domain.com2015-08-13 → 2026-06-18 · 2 obs
● 2015-08-13 12:15:52
● 2026-06-18 08:44:40
●NSns3.value-domain.com2026-03-23 → 2026-06-18 · 3 obs
○ 2015-08-13 12:15:52
● 2026-03-23 22:23:16
● 2026-06-18 08:44:40
●NSns4.value-domain.com2026-03-23 → 2026-06-18 · 3 obs
○ 2015-08-13 12:15:52
● 2026-03-23 22:23:16
● 2026-06-18 08:44:40
●NSns5.value-domain.com2026-03-23 → 2026-06-18 · 3 obs
○ 2015-08-13 12:15:52
● 2026-03-23 22:23:16
● 2026-06-18 08:44:40
○MXcortex.sakura.ne.jp2020-02-18 → 2020-02-18 · 4 obs
○ 2017-01-31 06:41:42
● 2020-02-18 14:36:50
○ 2026-03-23 22:23:16
○ 2026-06-18 08:44:40
○MXtakatronix.sakura.ne.jp2015-08-13 → 2017-01-31 · 4 obs
● 2015-08-13 12:15:52
● 2017-01-31 06:41:42
○ 2020-02-18 14:36:50
○ 2026-06-18 08:44:40
●A118.13.188.1662026-06-01 → 2026-06-18 · 3 obs
○ 2026-05-04 20:09:50
● 2026-06-01 00:56:34
● 2026-06-18 08:44:40
○A122.16.145.432026-03-23 → 2026-06-18 · 2 obs
○ 2026-03-23 22:23:16
○ 2026-06-18 08:44:40
○A124.100.158.1842026-03-23 → 2026-05-04 · 5 obs
○ 2020-02-18 14:36:50
● 2026-03-23 22:23:16
● 2026-05-04 20:09:50
○ 2026-06-01 00:56:34
○ 2026-06-18 08:44:40
○A157.7.125.2492015-08-13 → 2017-01-31 · 4 obs
● 2015-08-13 12:15:52
● 2017-01-31 06:41:42
○ 2020-02-18 14:36:50
○ 2026-06-18 08:44:40
○A221.185.67.1492020-02-18 → 2020-02-18 · 4 obs
○ 2017-01-31 06:41:42
● 2020-02-18 14:36:50
○ 2026-03-23 22:23:16
○ 2026-06-18 08:44:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpd.dns.jp, g.dns.jp, h.dns.jp, b.dns.jp...-
cortex.jpns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com, ns1.value-domain.com...-

✅ Authoritative Response

Server:172.64.53.3

NS records: ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com, ns1.value-domain.com, ns2.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cortex.jp (unsigned zone)

⏱️ Timing

Total: 623ms | Queries: -

📄 Records

TypeCountSample Data
A1118.13.188.166
NS2ns2.value-domain.com, ns1.value-domain.com
SOA1ns1.value-domain.com hostmaster.cortex.j

Analysis

IP Addresses

cortex.jp directs to one IP number, which is 118.13.188.166.

Name Servers

The authoritative name servers for cortex.jp are ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com and two others.

At least some of cortex.jp's name servers are shared with other domains, for example shiriko.jp, shirai.be, o2navi.com and two more.

These name servers are routinely co-deployed with the name servers ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com and two others.

Hosts with two IP numbers each:

ns1.value-domain.com maps to two IP addresses — 172.64.52.38 and 172.64.52.161.

ns2.value-domain.com maps to two IP addresses — 172.64.53.3 and 172.64.53.115.

ns3.value-domain.com maps to two IP addresses — 172.64.52.38 and 172.64.52.161.

ns4.value-domain.com maps to two IP addresses — 172.64.53.3 and 172.64.53.115.

ns5.value-domain.com maps to two IP addresses — 172.64.52.38 and 172.64.52.161.

ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com all direct to 172.64.52.38.

ns1.value-domain.com, ns3.value-domain.com and ns5.value-domain.com all direct to 172.64.52.161.

These two host names — ns2.value-domain.com and ns4.value-domain.com — each point to 172.64.53.3 IP addresses.

These two host names — ns2.value-domain.com and ns4.value-domain.com — each point to 172.64.53.115 IP addresses.