coreplanet.co.jp - robtex.com

coreplanet.co.jp

DNSSEC⚠️ Not signed
A133.242.249.193🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww4253.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
MXcoreplanet.co.jp ⭐
A133.242.249.193🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww4253.sakura.ne.jp
TXTgoogle-site-verification=6RKgiTgJkeC44W39NIwishKvzRE67gd0m-fDJNLgv8A
SOAmaster.dns.ne.jptech@sakura.ad.jp 2020-10-28 #0

co.jp

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

MX for

coreplanet.co.jp

Same first word

coreplanet.co.jp

Similar names

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DNS History

5 records (5 active, 0 former)

NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXcoreplanet.co.jpA133.242.249.193
●NSmaster.dns.ne.jp2026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 13:40:44
● 2026-04-13 13:40:46
●NSns1.dns.ne.jp2026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 13:40:44
● 2026-04-13 13:40:46
●NSns2.dns.ne.jp2026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 13:40:44
● 2026-04-13 13:40:46
●MXcoreplanet.co.jp2026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 13:40:44
● 2026-04-13 13:40:46
●A133.242.249.1932026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 13:40:44
● 2026-04-13 13:40:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
coreplanet.co.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ 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 coreplanet.co.jp (unsigned zone)

⏱️ Timing

Total: 882ms | Queries: -

📄 Records

TypeCountSample Data
A1133.242.249.193
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1coreplanet.co.jp (pri: 10)
TXT1google-site-verification=6RKgiTgJkeC44W3
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

The mail server for coreplanet.co.jp is coreplanet.co.jp.

IP Addresses

coreplanet.co.jp maps to IP address 133.242.249.193.

Other host names, for instance kotobukiya-kk.co.jp, sato-plus.com, yanagisawakaikei.net, linosys.net and chino-souzoku.com share IP numbers with coreplanet.co.jp.

Name Servers

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

coreplanet.co.jp at least partially shares name servers with other domains such as niigata-sake.net, visitkaruizawa.com, prenda-mia.com, okiascon.com and ekoune.org.

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

One mail server serves coreplanet.co.jp.

coreplanet.co.jp points to one IP number: 133.242.249.193.