koken-e.net - robtex.com

koken-e.net

DNSSEC⚠️ Not signed
NSns6-tk01.ocn.ad.jp ⭐
A2001:380::1053🇯🇵 OCN2001:380::/32 IPv6 Network, Japan
PTRns6-tk01.ocn.ad.jp
A61.207.9.4🇯🇵 OCN61.207.0.0/16 (AS4713) CIDR BLOCK 33 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
PTRns6-tk01.ocn.ad.jp
NSns6-tk02.ocn.ad.jp
A2001:380:0:1::1053🇯🇵 OCN2001:380::/32 IPv6 Network, Japan
PTRns6-tk02.ocn.ad.jp
A61.207.9.36🇯🇵 OCN61.207.0.0/16 (AS4713) CIDR BLOCK 33 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN
PTRns6-tk02.ocn.ad.jp
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f26.1e100.net
A142.251.179.27🇺🇸 Google142.251.179.0/24
PTRpd-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.26🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f26.1e100.net
TXTv=spf1 include:_spf.google.com ~all
TXTgoogle-site-verification=vH5h_J7hiQXV1piwiq3Kcydp3mN_gcrjhmY52W53Pi0
SOAns6-tk01.ocn.ad.jppostmaster@koken-e.net serial=25

net

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=1785173012

Subdomains

www.koken-e.net

Same first word

koken-e.net
koken-e.co.jp

Similar names

e-koken.net
e-kenko.biz
kenko-e.jp

DNS History

9 records (7 active, 2 former)

20162017201820192020202120222023202420252026NSns6-tk01.ocn.ad.jpns6-tk02.ocn.ad.jpMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comvcgw1.ocn.ad.jpvcgw2.ocn.ad.jp
●NSns6-tk01.ocn.ad.jp2015-07-09 → 2026-07-27 · 2 obs
● 2015-07-09 20:32:38
● 2026-07-27 17:48:16
●NSns6-tk02.ocn.ad.jp2015-07-09 → 2026-07-27 · 2 obs
● 2015-07-09 20:32:38
● 2026-07-27 17:48:16
●MXalt1.aspmx.l.google.com2026-03-29 → 2026-07-27 · 3 obs
○ 2017-01-08 01:10:02
● 2026-03-29 22:24:16
● 2026-07-27 17:48:16
●MXalt2.aspmx.l.google.com2026-03-29 → 2026-07-27 · 3 obs
○ 2017-01-08 01:10:02
● 2026-03-29 22:24:16
● 2026-07-27 17:48:16
●MXalt3.aspmx.l.google.com2026-03-29 → 2026-07-27 · 3 obs
○ 2017-01-08 01:10:02
● 2026-03-29 22:24:16
● 2026-07-27 17:48:16
●MXalt4.aspmx.l.google.com2026-03-29 → 2026-07-27 · 3 obs
○ 2017-01-08 01:10:02
● 2026-03-29 22:24:16
● 2026-07-27 17:48:16
●MXaspmx.l.google.com2026-03-29 → 2026-07-27 · 3 obs
○ 2017-01-08 01:10:02
● 2026-03-29 22:24:16
● 2026-07-27 17:48:16
○MXvcgw1.ocn.ad.jp2015-07-09 → 2017-01-08 · 4 obs
● 2015-07-09 20:32:38
● 2017-01-08 01:10:02
○ 2026-03-29 22:24:16
○ 2026-07-27 17:48:16
○MXvcgw2.ocn.ad.jp2015-07-09 → 2017-01-08 · 4 obs
● 2015-07-09 20:32:38
● 2017-01-08 01:10:02
○ 2026-03-29 22:24:16
○ 2026-07-27 17:48:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
koken-e.netns6-tk02.ocn.ad.jp, ns6-tk01.ocn.ad.jp-

✅ Authoritative Response

Server:61.207.9.4

NS records: ns6-tk02.ocn.ad.jp, ns6-tk01.ocn.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koken-e.net (unsigned zone)

⏱️ Timing

Total: 2092ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns6-tk01.ocn.ad.jp, ns6-tk02.ocn.ad.jp
MX5aspmx.l.google.com (pri: 1), alt4.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=vH5h_J7hiQXV1pi, v=spf1 include:_spf.google.com ~all
SOA1ns6-tk01.ocn.ad.jp postmaster.koken-e.ne

Analysis

Hierarchy

The domain www.koken-e.net falls under the parent koken-e.net.

Name Servers

koken-e.net has two authoritative name servers — ns6-tk01.ocn.ad.jp and ns6-tk02.ocn.ad.jp.

koken-e.net uses the same name servers as several other domains — among them 96.102.154.210.in-addr.arpa, kak-adachi.co.jp, will.co.jp and two more.

At least some of koken-e.net's name servers are shared with other domains, for example kinki.coop, 4.162.210.in-addr.arpa, ncb-direct.ncbank.co.jp and two more.

These name servers tend to be used in conjunction with the name servers os12-dnsic1-dns1.anser.ne.jp.

Both ns6-tk01.ocn.ad.jp and ns6-tk02.ocn.ad.jp have two IP addresses each. ns6-tk01.ocn.ad.jp resolves to 61.207.9.4 and 2001:380::1053; ns6-tk02.ocn.ad.jp resolves to 61.207.9.36 and 2001:380:0:1::1053.

Mail Servers

Five mail servers handle koken-e.net: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

koken-e.net has at least partial mail server overlap with other domains such as contexgestao.com, mvlt.org, ns500698.ns500758.ns500759.ns500759.ns500758.ns500736.ns500735.ns500736.ns500735.ns500735.ns500708.ns500576.ns500708.ns500652.trackreceptor.com and two more.

These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com resolves to 142.251.179.27 and 2607:f8b0:4004:c19::1a.

alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1a.