dentec.co.jp - robtex.com

dentec.co.jp

DNSSEC⚠️ Not signed
A202.239.42.16🇯🇵 IDC202.239.32.0/19 Frontier Inc.
NSns1.dns-server.jp ⭐
A210.239.65.38🇯🇵 IDC210.239.64.0/21 Frontier Inc.
PTRns1.dns-server.jp
NSns2.dns-server.jp
A18.177.45.193🇯🇵 Amazon18.176.0.0/15 EC2 NRT prefix
PTRec2-18-177-45-193.ap-northeast-1.compute.amazonaws.com
NSns3.dns-server.jp
A210.152.8.223🇯🇵 IDC210.152.0.0/20 Frontier Inc.
PTRns3.dns-server.jp
NSns4.dns-server.jp
A15.168.90.255🇯🇵 Amazon15.168.0.0/16 EC2 KIX Prefix
PTRec2-15-168-90-255.ap-northeast-3.compute.amazonaws.com
MXmxin1.airnet.ne.jp ⭐
A210.159.71.90🇯🇵 AIR210.159.64.0/19 CIDR BLOCK 1 ( AS7503 ) 1-10-4 Kita-shinagawa, Shinagawa-ku, Tokyo, 140-0001, Japan
PTRmxin1-01.airnet.ne.jp
A210.166.71.20🇯🇵 AIR210.166.64.0/19 CIDR BLOCK 2 ( AS7503 ) 1-10-4 Kita-shinagawa, Shinagawa-ku, Tokyo, 140-0001, Japan
PTRmxin1-02.airnet.ne.jp
MXmxin2.airnet.ne.jp ⭐
A210.159.71.91🇯🇵 AIR210.159.64.0/19 CIDR BLOCK 1 ( AS7503 ) 1-10-4 Kita-shinagawa, Shinagawa-ku, Tokyo, 140-0001, Japan
PTRmxin2-01.airnet.ne.jp
A210.166.71.21🇯🇵 AIR210.166.64.0/19 CIDR BLOCK 2 ( AS7503 ) 1-10-4 Kita-shinagawa, Shinagawa-ku, Tokyo, 140-0001, Japan
PTRmxin2-02.airnet.ne.jp
MXms84542655.msv1.invalid(32767)
TXTMS=B34F70E702E22EAEC85FB224625F0D042E7C8912
TXTv=spf1 include:_spf.aiolite.jp ~all
SOAns1.dns-server.jpdomain@seeds.ne.jp 2026-05-07 #1

co.jp

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

Same first word

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DNS History

11 records (8 active, 3 former)

20162017201820192020202120222023202420252026NSns1.dns-server.jpns2.dns-server.jpns3.dns-server.jpns4.dns-server.jpns.namedserver.netns2.namedserver.netMXms84542655.msv1.invalidmxin1.airnet.ne.jpmxin2.airnet.ne.jpA202.239.42.16121.119.193.28
○NSns.namedserver.net2015-07-09 → 2017-02-18 · 4 obs
● 2015-07-09 10:08:36
● 2017-02-18 04:56:08
○ 2026-04-30 06:28:20
○ 2026-05-13 14:53:52
●NSns1.dns-server.jp2026-04-30 → 2026-05-13 · 3 obs
○ 2017-02-18 04:56:08
● 2026-04-30 06:28:20
● 2026-05-13 14:53:52
●NSns2.dns-server.jp2026-04-30 → 2026-05-13 · 3 obs
○ 2017-02-18 04:56:08
● 2026-04-30 06:28:20
● 2026-05-13 14:53:52
○NSns2.namedserver.net2015-07-09 → 2017-02-18 · 4 obs
● 2015-07-09 10:08:36
● 2017-02-18 04:56:08
○ 2026-04-30 06:28:20
○ 2026-05-13 14:53:52
●NSns3.dns-server.jp2026-04-30 → 2026-05-13 · 3 obs
○ 2017-02-18 04:56:08
● 2026-04-30 06:28:20
● 2026-05-13 14:53:52
●NSns4.dns-server.jp2026-04-30 → 2026-05-13 · 3 obs
○ 2017-02-18 04:56:08
● 2026-04-30 06:28:20
● 2026-05-13 14:53:52
●MXms84542655.msv1.invalid2026-04-30 → 2026-05-13 · 3 obs
○ 2015-07-09 10:08:36
● 2026-04-30 06:28:20
● 2026-05-13 14:53:52
●MXmxin1.airnet.ne.jp2015-07-09 → 2026-05-13 · 2 obs
● 2015-07-09 10:08:36
● 2026-05-13 14:53:52
●MXmxin2.airnet.ne.jp2015-07-09 → 2026-05-13 · 2 obs
● 2015-07-09 10:08:36
● 2026-05-13 14:53:52
○A121.119.193.282015-07-09 → 2017-02-18 · 4 obs
● 2015-07-09 10:08:36
● 2017-02-18 04:56:08
○ 2026-04-30 06:28:20
○ 2026-05-13 14:53:52
●A202.239.42.162026-04-30 → 2026-05-13 · 3 obs
○ 2017-02-18 04:56:08
● 2026-04-30 06:28:20
● 2026-05-13 14:53:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpb.dns.jp, d.dns.jp, f.dns.jp, a.dns.jp...-
dentec.co.jpns1.dns-server.jp, ns2.dns-server.jp, ns3.dns-server.jp, ns4.dns-server.jp4 records

✅ Authoritative Response

Server:15.168.90.255

NS records: ns1.dns-server.jp, ns2.dns-server.jp, ns3.dns-server.jp, ns4.dns-server.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2561ms | Queries: -

📄 Records

TypeCountSample Data
A1202.239.42.16
NS4ns3.dns-server.jp, ns4.dns-server.jp...
MX3ms84542655.msv1.invalid (pri: 32767), mxin1.airnet.ne.jp (pri: 10)...
TXT2MS=B34F70E702E22EAEC85FB224625F0D042E7C8, v=spf1 include:_spf.aiolite.jp ~all
SOA1ns1.dns-server.jp domain.seeds.ne.jp

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dns-server.jp, ns2.dns-server.jp, ns3.dns-server.jp...)

Analysis

IP Addresses

dentec.co.jp resolves to one IP number: 202.239.42.16.

Name Servers

dentec.co.jp is delegated to four name servers: ns1.dns-server.jp, ns2.dns-server.jp, ns3.dns-server.jp and ns4.dns-server.jp.

dentec.co.jp at least partially shares name servers with other domains, for instance tc-ent.co.jp, p-drivers.com, niben.net, eva-opn.com and seedsnetworks.com.

Host names with one IP number: ns1.dns-server.jp points to 210.239.65.38; ns2.dns-server.jp points to 18.177.45.193; ns3.dns-server.jp points to 210.152.8.223; ns4.dns-server.jp points to 15.168.90.255.

Mail Servers

dentec.co.jp is handled by three mail servers: ms84542655.msv1.invalid, mxin1.airnet.ne.jp and mxin2.airnet.ne.jp.

dentec.co.jp shares some mail servers with other domains, at least partially, for instance ki-chemical.co.jp, claytherapy.jp, legal-support.org, air.ad.jp and nikko-pb.co.jp.

Host names with two IP numbers:

The host name mxin1.airnet.ne.jp points to 210.159.71.90 and 210.166.71.20; the host name mxin2.airnet.ne.jp points to 210.159.71.91 and 210.166.71.21.