kouseisha.com - robtex.com

kouseisha.com

DNSSEC⚠️ Not signed
A182.169.74.66🇯🇵 So-net182.168.0.0/14 Sony Network Communications Inc.
PTRfsb6a94a42.chbd203.ap.nuro.jp
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXmail.kouseisha.com ⭐
A119.245.204.20🇯🇵 InfoSphere119.245.0.0/16 INFOSPHERE
PTRmail.kouseisha.com
TXTv=spf1 include:fmx.etius.jp ip4:119.245.204.20 ip4:219.94.192.66 +a:mlg.pro-s...
SOA01.dnsv.jphostmaster@dnsv.jp serial=1764664330

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1777160126
WOT: SAFE (67/100)

Previously MX for

kouseisha.com

Subdomains

mail.kouseisha.com

Same first word

kouseisha.com

DNS History

12 records (6 active, 6 former)

2008201020122014201620182020202220242026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpns3.sphere.ad.jpns4.sphere.ad.jpMXmail.kouseisha.comkouseisha.comA182.169.74.66119.245.204.20133.242.154.188202.212.227.240
●NS01.dnsv.jp2016-04-13 → 2026-04-25 · 3 obs
○ 2016-01-22 14:31:42
● 2016-04-13 15:47:08
● 2026-04-25 23:57:58
●NS02.dnsv.jp2016-04-13 → 2026-04-25 · 3 obs
○ 2016-01-22 14:31:42
● 2016-04-13 15:47:08
● 2026-04-25 23:57:58
●NS03.dnsv.jp2016-04-13 → 2026-04-25 · 3 obs
○ 2016-01-22 14:31:42
● 2016-04-13 15:47:08
● 2026-04-25 23:57:58
●NS04.dnsv.jp2016-04-13 → 2026-04-25 · 3 obs
○ 2016-01-22 14:31:42
● 2016-04-13 15:47:08
● 2026-04-25 23:57:58
○NSns3.sphere.ad.jp2007-08-13 → 2016-01-22 · 4 obs
● 2007-08-13 15:35:12
● 2016-01-22 14:31:42
○ 2016-04-13 15:47:08
○ 2026-04-25 23:57:58
○NSns4.sphere.ad.jp2007-08-13 → 2016-01-22 · 4 obs
● 2007-08-13 15:35:12
● 2016-01-22 14:31:42
○ 2016-04-13 15:47:08
○ 2026-04-25 23:57:58
○MXkouseisha.com2007-08-13 → 2016-01-22 · 4 obs
● 2007-08-13 15:35:12
● 2016-01-22 14:31:42
○ 2016-04-13 15:47:08
○ 2026-04-25 23:57:58
●MXmail.kouseisha.com2016-04-13 → 2026-04-25 · 3 obs
○ 2016-01-22 14:31:42
● 2016-04-13 15:47:08
● 2026-04-25 23:57:58
○A119.245.204.202015-06-23 → 2016-01-22 · 5 obs
○ 2007-08-13 15:35:12
● 2015-06-23 12:01:56
● 2016-01-22 14:31:42
○ 2016-04-13 15:47:08
○ 2026-04-25 23:57:58
○A133.242.154.1882016-04-13 → 2017-08-12 · 5 obs
○ 2016-01-22 14:31:42
● 2016-04-13 15:47:08
● 2017-08-12 06:17:26
○ 2026-02-26 16:13:48
○ 2026-04-25 23:57:58
●A182.169.74.662026-02-26 → 2026-04-25 · 3 obs
○ 2017-08-12 06:17:26
● 2026-02-26 16:13:48
● 2026-04-25 23:57:58
○A202.212.227.2402007-08-13 → 2007-08-13 · 3 obs
● 2007-08-13 15:35:12
○ 2015-06-23 12:01:56
○ 2026-04-25 23:57:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
kouseisha.com01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp-

✅ Authoritative Response

Server:157.7.35.53

NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kouseisha.com (unsigned zone)

⏱️ Timing

Total: 1074ms | Queries: -

📄 Records

TypeCountSample Data
A1182.169.74.66
NS401.dnsv.jp, 02.dnsv.jp...
MX1mail.kouseisha.com (pri: 10)
TXT1v=spf1 include:fmx.etius.jp ip4:119.245.
SOA101.dnsv.jp hostmaster.dnsv.jp

Analysis

Hierarchy

The parent of mail.kouseisha.com is kouseisha.com.

IP Addresses

kouseisha.com points to a single IP address: 182.169.74.66.

Other host names such as minervashobo.co.jp, fsb6a94a42.chbd203.ap.nuro.jp, nihonbungeisha.co.jp, uchiyama-shoten.co.jp and cdn.01.server.hondana.jp share IPs with kouseisha.com.

Name Servers

kouseisha.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

kouseisha.com at least partially shares name servers with other domains, for example jpsys.co.jp, remote.jp, topix-factory.jp, c-wss.com and lmovy.com.

Host names with two IP numbers:

01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.

03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.

04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.

Host names with one IP number:

02.dnsv.jp points to 157.7.33.53.

Mail Servers

The mail.kouseisha.com mail server handles kouseisha.com.

mail.kouseisha.com points to a single IP number: 119.245.204.20.