rcj.jp - robtex.com

rcj.jp

DNSSEC⚠️ Not signed
A2403:3a00:101:d:219:94:162:208🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww1368.sakura.ne.jp
A219.94.162.208🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
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
MXrcj-jp.mail.protection.outlook.com ⭐
A2a01:111:f403:cc1a::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tycp286cu02600.inbound.protection.outlook.com
A2a01:111:f403:cc1a::1🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-ty3p286cu00101.inbound.protection.outlook.com
A2a01:111:f403:cc1f::1🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01201.inbound.protection.outlook.com
A2a01:111:f403:cc24::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01300.inbound.protection.outlook.com
A52.101.124.6🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00206.inbound.protection.outlook.com
A52.101.157.10🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01302.inbound.protection.outlook.com
A52.101.157.11🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01203.inbound.protection.outlook.com
A52.101.157.40🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os9p286cu00100.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com include:_spf.guardianwall.jp -all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2023-03-20 #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=1777224603

Same first word

rcj.de
rcj.org.cn
rcj.com
rcj.com.au
rcj.info
rcj.jp
rcj.cz
rcj.dk
rcj.be
rcj.biz
rcj.us
rcj.uk
rcj.ca
rcj.cn
rcj.one
rcj.nl
rcj.net.au
rcj.fr
rcj.com.pl
rcj.co.za
rcj.co
rcj.se
rcj.ph
rcj.pl
rcj.net
rcj.ru
rcj.org
rcj.ir
rcj.at
rcj.or.jp

Similar names

crj.ph
rjc.ru
cjr.cn
crj.pt
rjc.dk
jrc.fit
cjr.com.co
jcr.cn
jrc.edu.ph
jcr.cl
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crj.co
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crj.cn
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jrc.us
jrc.sk
jcr.nyc
jrc.co.jp
jcr.co.in
jcr.biz
jcr.ch
jcr.net
rjc.com.au
rjc.com.br
rjc.es
jcr.co.jp
crj.cz
cjr.fr
rjc.sk.ca
jrc.or.jp
rjc.it
cjr.co.za
rjc.id.au
jcr.jp
jcr.net.cn
jrc.net.my
rjc.nsw.edu.au
cjr.eu
crj.com.tn
jrc.ch
jrc.nl
cjr.com
jrc.be
crj.in
jcr.at
jcr.us
rjc.at
cjr.es
rjc.eu
jrc.construction
rjc.associates
rjc.co.jp
jcr.be
jcr.net.au
jrc.sg
jrc.it
jcr.net.br
cjr.pl
jcr.se
crj.ru
cjr.nl
cjr.online
jrc.cz
jrc.dk
jrc.gr.jp
jcr.co.za
jcr.pl
jrc.agency
jrc.de
jcr.com.co
crj.cc
jcr.org
jrc.info
cjr.in
rjc.be
cjr.edu.mx
jrc.cn
jrc.ac.jp
crj.co.jp
crj.it
cjr.host
jrc.hk
cjr.cz
jcr.co
jrc.com.vn
cjr.ru
jcr.co.uk
crj.com
cjr.co.bw
jcr.com.cn
jrc.se
jrc.me
jrc.pl
crj.be
jrc.com.ua
jcr.cc
jrc.co.il
rjc.net.au
rjc.lt
crj.com.tw
jrc.tw
rjc.edu.sg
jrc.ge
jrc.com.my
crj.ch
jrc.ru
rjc.nl
jrc.co
crj.dk
rjc.co
jrc.com
rjc.org
crj.ir
cjr.lu
jrc.am
jcr.de
rjc.lu
crj.com.cn
jrc.org
crj.org
jcr.es
rjc.fr
cjr.eng.br
jrc.hu
jrc.co.uk
rjc.co.in
rjc.no
rjc.de
rjc.aero
cjr.be
cjr.bz
crj.ca
jrc.su
jrc.co.id
rjc.ca
jcr.kr
jrc.net.au
cjr.it
cjr.cl

DNS History

6 records (6 active, 0 former)

NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXrcj-jp.mail.protection.outlook.comA219.94.162.2082403:3a00:101:d:219:94:162:208
●NSmaster.dns.ne.jp2026-04-10 → 2026-04-26 · 2 obs
● 2026-04-10 23:04:18
● 2026-04-26 17:38:28
●NSns1.dns.ne.jp2026-04-10 → 2026-04-26 · 2 obs
● 2026-04-10 23:04:18
● 2026-04-26 17:38:28
●NSns2.dns.ne.jp2026-04-10 → 2026-04-26 · 2 obs
● 2026-04-10 23:04:18
● 2026-04-26 17:38:28
●MXrcj-jp.mail.protection.outlook.com2026-04-10 → 2026-04-26 · 2 obs
● 2026-04-10 23:04:18
● 2026-04-26 17:38:28
●A219.94.162.2082026-04-10 → 2026-04-26 · 2 obs
● 2026-04-10 23:04:18
● 2026-04-26 17:38:28
●A2403:3a00:101:d:219:94:162:2082026-04-10 → 2026-04-26 · 2 obs
● 2026-04-10 23:04:18
● 2026-04-26 17:38:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, b.dns.jp, c.dns.jp, a.dns.jp...-
rcj.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rcj.jp (unsigned zone)

⏱️ Timing

Total: 1219ms | Queries: -

📄 Records

TypeCountSample Data
A1219.94.162.208
AAAA12403:3a00:101:d:219:94:162:208
NS2ns2.dns.ne.jp, ns1.dns.ne.jp
MX1rcj-jp.mail.protection.outlook.com (pri:
TXT1v=spf1 include:spf.protection.outlook.co
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

IP Addresses

rcj.jp points to two IPs: 2403:3a00:101:d:219:94:162:208 and 219.94.162.208.

Other host names, for instance kuiz.org, pzc.jp, cosmos53.net, logbook.jp and miuc.net share IP numbers with rcj.jp.

Name Servers

rcj.jp is delegated to name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

rcj.jp at least partially shares name servers with other domains such as spice-lover.net, yamyam.to, kkanahp.com, indocat.net and swage.co.jp.

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

Host names with a single IP:

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

rcj.jp is handled by a single mail server, rcj-jp.mail.protection.outlook.com.

rcj-jp.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc1a::, 2a01:111:f403:cc1a::1, 2a01:111:f403:cc1f::1, 2a01:111:f403:cc24::, 52.101.124.6, 52.101.157.10, 52.101.157.11 and 52.101.157.40.