cotem.co.jp - robtex.com

cotem.co.jp

DNSSEC⚠️ Not signed
A133.149.219.125🇯🇵 VECTANT133.149.192.0/18 ARTERIA Networks Corporation(VECTANT) Asahi Seimei Otemachi Bldg. 2-6-1, Otemachi, Chiyoda-ku, Tokyo 100-0004 Japan
PTRweb21.ktk-sol.co.jp
NScotem.co.jp ⭐
A133.149.219.125🇯🇵 VECTANT133.149.192.0/18 ARTERIA Networks Corporation(VECTANT) Asahi Seimei Otemachi Bldg. 2-6-1, Otemachi, Chiyoda-ku, Tokyo 100-0004 Japan
PTRweb21.ktk-sol.co.jp
NSns01.ktk-sol.co.jp
A133.149.219.22🇯🇵 VECTANT133.149.192.0/18 ARTERIA Networks Corporation(VECTANT) Asahi Seimei Otemachi Bldg. 2-6-1, Otemachi, Chiyoda-ku, Tokyo 100-0004 Japan
PTRns01.ktk-sol.co.jp
NSns02.ktk-sol.co.jp
A158.179.185.108🇯🇵 ORACLE-OCI-31898158.179.176.0/20 Oracle Corporation
PTRns02.ktk-sol.co.jp
MXmx.ktk-sol.co.jp ⭐
A158.101.74.41🇯🇵 ORACLE-OCI-31898158.101.64.0/19
PTRmx05.ktk-sol.co.jp
TXTv=spf1 include:_spf.ktk-sol.co.jp ~all
SOAcotem.co.jppostmaster@ktk-sol.co.jp 2025-07-17 #1

co.jp

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

NS for

cotem.co.jp

Same first word

cotem.mr
cotem.co.jp
cotem.com
cotem.es

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DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NScotem.co.jpns01.ktk-sol.co.jpns02.ktk-sol.co.jpns.mirai.ad.jpns2.mirai.ad.jpMXmx.ktk-sol.co.jpmail.cotem.co.jpA133.149.219.125210.172.202.17
●NScotem.co.jp2026-04-06 → 2026-04-23 · 3 obs
○ 2018-01-13 00:37:34
● 2026-04-06 19:36:38
● 2026-04-23 23:51:48
○NSns.mirai.ad.jp2015-06-11 → 2018-01-13 · 4 obs
● 2015-06-11 16:56:28
● 2018-01-13 00:37:34
○ 2026-04-06 19:36:38
○ 2026-04-23 23:51:48
●NSns01.ktk-sol.co.jp2026-04-06 → 2026-04-23 · 3 obs
○ 2018-01-13 00:37:34
● 2026-04-06 19:36:38
● 2026-04-23 23:51:48
●NSns02.ktk-sol.co.jp2026-04-06 → 2026-04-23 · 3 obs
○ 2018-01-13 00:37:34
● 2026-04-06 19:36:38
● 2026-04-23 23:51:48
○NSns2.mirai.ad.jp2015-06-11 → 2018-01-13 · 4 obs
● 2015-06-11 16:56:28
● 2018-01-13 00:37:34
○ 2026-04-06 19:36:38
○ 2026-04-23 23:51:48
○MXmail.cotem.co.jp2015-06-11 → 2018-01-13 · 4 obs
● 2015-06-11 16:56:28
● 2018-01-13 00:37:34
○ 2026-04-06 19:36:38
○ 2026-04-23 23:51:48
●MXmx.ktk-sol.co.jp2026-04-06 → 2026-04-23 · 3 obs
○ 2018-01-13 00:37:34
● 2026-04-06 19:36:38
● 2026-04-23 23:51:48
●A133.149.219.1252026-04-06 → 2026-04-23 · 3 obs
○ 2018-01-13 00:37:34
● 2026-04-06 19:36:38
● 2026-04-23 23:51:48
○A210.172.202.172015-06-11 → 2018-01-13 · 4 obs
● 2015-06-11 16:56:28
● 2018-01-13 00:37:34
○ 2026-04-06 19:36:38
○ 2026-04-23 23:51:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
cotem.co.jpns02.ktk-sol.co.jp, ns01.ktk-sol.co.jp2 records

✅ Authoritative Response

Server:158.179.185.108

NS records: ns02.ktk-sol.co.jp, ns01.ktk-sol.co.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 758ms | Queries: -

📄 Records

TypeCountSample Data
A1133.149.219.125
NS2ns01.ktk-sol.co.jp, ns02.ktk-sol.co.jp
MX1mx.ktk-sol.co.jp (pri: 10)
TXT1v=spf1 include:_spf.ktk-sol.co.jp ~all
SOA1cotem.co.jp postmaster.ktk-sol.co.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns01.ktk-sol.co.jp, ns02.ktk-sol.co.jp)

Analysis

Name Server Role

cotem.co.jp serves as a name server for cotem.co.jp.

ns01.ktk-sol.co.jp and ns02.ktk-sol.co.jp are commonly used as name servers along with cotem.co.jp.

IP Addresses

cotem.co.jp resolves to a single IP address: 133.149.219.125.

Other host names including lepro.co.jp, pj-one.com, expert-nurse.jp, apls.gr.jp and kknsk.co.jp share IP numbers with cotem.co.jp.

Name Servers

cotem.co.jp is delegated to three name servers: cotem.co.jp, ns01.ktk-sol.co.jp and ns02.ktk-sol.co.jp.

cotem.co.jp at least partially shares name servers with other domains, including k2co.net, iguchi-net.com, yashimanet.co.jp, actoffice.net and securemail-plus.com.

Hostnames with a single IP:

cotem.co.jp points to: 133.149.219.125.

ns01.ktk-sol.co.jp points to: 133.149.219.22.

ns02.ktk-sol.co.jp points to: 158.179.185.108.

Mail Servers

cotem.co.jp is handled by a single mail server, mx.ktk-sol.co.jp.

cotem.co.jp shares its mail server setup with other domains, including t-car.com, obuchi.com, mizukei.co.jp, fast-c.jp and meidoh.co.jp.

mx.ktk-sol.co.jp points to a single IP: 158.101.74.41.