corefactory.co.jp - robtex.com

corefactory.co.jp

DNSSEC⚠️ Not signed
A153.122.30.133🇯🇵 AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRsbhosting.biz
NSns2.corefactory.co.jp ⭐ ⚠️ Not in parent delegation
A153.122.30.133🇯🇵 AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRsbhosting.biz
NSns1.corefactory.co.jp ⚠️ Not in parent delegation
A153.122.30.133🇯🇵 AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRsbhosting.biz
NSns1.corefactory.net ⚠️ Not in zone NS records
A153.122.30.133🇯🇵 AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRsbhosting.biz
NSns2.corefactory.net ⚠️ Not in zone NS records
A153.122.30.133🇯🇵 AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRsbhosting.biz
MXmail.corefactory.co.jp ⭐
A153.122.30.133🇯🇵 AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRsbhosting.biz
TXTv=spf1 +a +mx +a:sbhosting.biz -all
SOAns2.corefactory.co.jpmorita\@yoshihiro.outlook.com 2026-04-18 #2

co.jp

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

Previously MX for

corefactory.co.jp

Subdomains

ns1.corefactory.co.jp
mail.corefactory.co.jp
ns2.corefactory.co.jp

Same first word

corefactory.com
corefactory.co.uk
corefactory.net
corefactory.co.jp

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSns1.corefactory.co.jpns1.corefactory.netns2.corefactory.co.jpns2.corefactory.netns2.corefactory.jpns3.corefactory.jpns7.corefactory.jpns8.corefactory.jpMXmail.corefactory.co.jpcorefactory.co.jpA153.122.30.133203.142.194.206203.183.93.170
●NSns1.corefactory.co.jp2026-04-05 → 2026-05-14 · 3 obs
○ 2019-03-26 21:27:00
● 2026-04-05 03:23:48
● 2026-05-14 02:50:32
●NSns1.corefactory.net2026-04-05 → 2026-05-14 · 3 obs
○ 2019-03-26 21:27:00
● 2026-04-05 03:23:48
● 2026-05-14 02:50:32
●NSns2.corefactory.co.jp2026-04-05 → 2026-05-14 · 3 obs
○ 2019-03-26 21:27:00
● 2026-04-05 03:23:48
● 2026-05-14 02:50:32
○NSns2.corefactory.jp2015-06-08 → 2017-02-10 · 4 obs
● 2015-06-08 11:37:56
● 2017-02-10 07:03:00
○ 2019-03-26 21:27:00
○ 2026-05-14 02:50:32
●NSns2.corefactory.net2026-04-05 → 2026-05-14 · 3 obs
○ 2019-03-26 21:27:00
● 2026-04-05 03:23:48
● 2026-05-14 02:50:32
○NSns3.corefactory.jp2015-06-08 → 2017-02-10 · 4 obs
● 2015-06-08 11:37:56
● 2017-02-10 07:03:00
○ 2019-03-26 21:27:00
○ 2026-05-14 02:50:32
○NSns7.corefactory.jp2019-03-26 → 2019-03-26 · 4 obs
○ 2017-02-10 07:03:00
● 2019-03-26 21:27:00
○ 2026-04-05 03:23:48
○ 2026-05-14 02:50:32
○NSns8.corefactory.jp2019-03-26 → 2019-03-26 · 4 obs
○ 2017-02-10 07:03:00
● 2019-03-26 21:27:00
○ 2026-04-05 03:23:48
○ 2026-05-14 02:50:32
○MXcorefactory.co.jp2015-06-08 → 2019-03-26 · 4 obs
● 2015-06-08 11:37:56
● 2019-03-26 21:27:00
○ 2026-04-05 03:23:48
○ 2026-05-14 02:50:32
●MXmail.corefactory.co.jp2026-04-05 → 2026-05-14 · 3 obs
○ 2019-03-26 21:27:00
● 2026-04-05 03:23:48
● 2026-05-14 02:50:32
●A153.122.30.1332026-04-05 → 2026-05-14 · 3 obs
○ 2019-03-26 21:27:00
● 2026-04-05 03:23:48
● 2026-05-14 02:50:32
○A203.142.194.2062015-06-08 → 2017-02-10 · 4 obs
● 2015-06-08 11:37:56
● 2017-02-10 07:03:00
○ 2019-03-26 21:27:00
○ 2026-05-14 02:50:32
○A203.183.93.1702019-03-26 → 2019-03-26 · 4 obs
○ 2017-02-10 07:03:00
● 2019-03-26 21:27:00
○ 2026-04-05 03:23:48
○ 2026-05-14 02:50:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpd.dns.jp, a.dns.jp, h.dns.jp, c.dns.jp...-
corefactory.co.jpns1.corefactory.net, ns2.corefactory.net-

✅ Authoritative Response

Server:153.122.30.133

NS records: ns1.corefactory.net, ns2.corefactory.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 912ms | Queries: -

📄 Records

TypeCountSample Data
A1153.122.30.133
NS2ns2.corefactory.co.jp, ns1.corefactory.co.jp
MX1mail.corefactory.co.jp (pri: 10)
TXT1v=spf1 +a +mx +a:sbhosting.biz -all
SOA1ns2.corefactory.co.jp morita\.yoshihiro.

Analysis

Hierarchy

corefactory.co.jp is a parent of ns1.corefactory.co.jp, mail.corefactory.co.jp and ns2.corefactory.co.jp.

IP Addresses

corefactory.co.jp points to a single IP: 153.122.30.133.

Other host names, for instance ns2.corefactory.co.jp, scien.jp, sbhosting.biz, ns2.fkids.jp and ns2.corefactory.net share IP numbers with corefactory.co.jp.

Name Servers

corefactory.co.jp's delegation is handled by four name servers: ns1.corefactory.net, ns2.corefactory.net, ns1.corefactory.co.jp and ns2.corefactory.co.jp.

corefactory.co.jp partially shares name servers with other domains; examples include 408club.com, reform-kyoto.com, scien.jp, corefactory.net and hinode55.com.

These name servers are commonly used alongside ns1.408club.com, ns2.408club.com, ns1.reform-kyoto.com, ns2.reform-kyoto.com, ns1.scien.jp, ns2.scien.jp, ns1.hinode55.com, ns2.hinode55.com and ns1.fkids.jp.

Names with a single IP:

ns1.corefactory.net points to 153.122.30.133

ns2.corefactory.net points to 153.122.30.133

ns1.corefactory.co.jp points to 153.122.30.133

ns2.corefactory.co.jp points to 153.122.30.133

Names pointing to 153.122.30.133: ns1.corefactory.net, ns2.corefactory.net, ns1.corefactory.co.jp and ns2.corefactory.co.jp

Mail Servers

corefactory.co.jp is handled by a single mail server, mail.corefactory.co.jp.

mail.corefactory.co.jp points to a single IP: 153.122.30.133.