koujiten.jp - robtex.com

koujiten.jp

DNSSEC⚠️ Not signed
A112.78.125.76🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww616b.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
MXkoujiten.jp ⭐
A112.78.125.76🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww616b.sakura.ne.jp
SOAmaster.dns.ne.jptech@sakura.ad.jp 2011-08-09 #18

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=1783178102

MX for

koujiten.jp

Same first word

koujiten.jp

Similar names

itojuken.com
ukejoint.ca
jiutoken.com
entokuji.com
ukejoint.com
tenkouji.jp
koujinet.com

DNS History

5 records (5 active, 0 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXkoujiten.jpA112.78.125.76
●NSmaster.dns.ne.jp2015-06-20 → 2026-07-04 · 2 obs
● 2015-06-20 06:02:26
● 2026-07-04 16:05:14
●NSns1.dns.ne.jp2015-06-20 → 2026-07-04 · 2 obs
● 2015-06-20 06:02:26
● 2026-07-04 16:05:14
●NSns2.dns.ne.jp2015-06-20 → 2026-07-04 · 2 obs
● 2015-06-20 06:02:26
● 2026-07-04 16:05:14
●MXkoujiten.jp2015-06-20 → 2026-07-04 · 2 obs
● 2015-06-20 06:02:26
● 2026-07-04 16:05:14
●A112.78.125.762015-06-20 → 2026-07-04 · 2 obs
● 2015-06-20 06:02:26
● 2026-07-04 16:05:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpf.dns.jp, d.dns.jp, a.dns.jp, g.dns.jp...-
koujiten.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koujiten.jp (unsigned zone)

⏱️ Timing

Total: 848ms | Queries: -

📄 Records

TypeCountSample Data
A1112.78.125.76
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1koujiten.jp (pri: 10)
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)

Analysis

Mail Server Role

koujiten.jp acts as its own mail server.

IP Addresses

koujiten.jp points to a single IP number: 112.78.125.76.

Additional host names — dreamworld.sakura.ne.jp, kansr.com, deepinsight.co.jp and two others — share IP numbers with koujiten.jp.

Name Servers

koujiten.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

koujiten.jp shares at least some of its name servers with other domains, including team-j.org, hiroshimatsumoto.com, j-auvis.co.jp and two others.

master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP address: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.

Mail Servers

koujiten.jp has a single mail server: koujiten.jp itself.

koujiten.jp resolves to a single IP number: 112.78.125.76.