doucore.com - dns.ninja

doucore.com

DNSSEC⚠️ Not signed
A157.7.44.233🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRusers267.vip.heteml.jp
NSdns0.heteml.jp
A157.7.44.53🇯🇵 GMO-INTERNET157.7.40.0/21 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRdns510.heteml.jp
NSdns1.heteml.jp
A157.7.188.149🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRdns711.phy.heteml.jp
MXmx.hetemail.jp
A157.7.189.1🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRmx.heteml.jp
TXTv=spf1 include:_spf.heteml.jp ~all
SOAdns0.heteml.jphostmaster@doucore.com serial=1786109538

com

Same first word

Similar names

DNS History

8 records (4 active, 4 former)

201820192020202120222023202420252026NSdns0.heteml.jpdns1.heteml.jpdns1.onamae.comdns2.onamae.comMXmx.hetemail.jpA157.7.44.233150.95.255.38157.7.44.244
NSdns0.heteml.jp2026-02-24 → 2026-08-07 · 3 obs
○ 2017-09-09 04:10:34
● 2026-02-24 05:51:28
● 2026-08-07 15:29:20
NSdns1.heteml.jp2026-02-24 → 2026-08-07 · 3 obs
○ 2017-09-09 04:10:34
● 2026-02-24 05:51:28
● 2026-08-07 15:29:20
NSdns1.onamae.com2017-09-09 → 2017-09-09 · 3 obs
● 2017-09-09 04:10:34
○ 2026-02-24 05:51:28
○ 2026-08-07 15:29:20
NSdns2.onamae.com2017-09-09 → 2017-09-09 · 3 obs
● 2017-09-09 04:10:34
○ 2026-02-24 05:51:28
○ 2026-08-07 15:29:20
MXmx.hetemail.jp2026-02-24 → 2026-08-07 · 2 obs
● 2026-02-24 05:51:28
● 2026-08-07 15:29:20
A150.95.255.382017-09-09 → 2017-09-09 · 3 obs
● 2017-09-09 04:10:34
○ 2026-02-24 05:51:28
○ 2026-08-07 15:29:20
A157.7.44.2332026-08-07 → 2026-08-07 · 2 obs
○ 2026-02-24 05:51:28
● 2026-08-07 15:29:20
A157.7.44.2442026-02-24 → 2026-02-24 · 3 obs
○ 2017-09-09 04:10:34
● 2026-02-24 05:51:28
○ 2026-08-07 15:29:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
doucore.comdns0.heteml.jp, dns1.heteml.jp-

✅ Authoritative Response

Server:157.7.188.149

NS records: dns0.heteml.jp, dns1.heteml.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doucore.com (unsigned zone)

⏱️ Timing

Total: 807ms | Queries: -

📄 Records

TypeCountSample Data
A1157.7.44.233
NS2dns0.heteml.jp, dns1.heteml.jp
MX1mx.hetemail.jp (pri: 10)
TXT1v=spf1 include:_spf.heteml.jp ~all
SOA1dns0.heteml.jp hostmaster.doucore.com

Analysis

IP Addresses

doucore.com has exactly one IP address — 157.7.44.233.

excycles.com, teadays.jp, gate1.biz plus two other host names have IP numbers in common with doucore.com.

Name Servers

The NS records for doucore.com delegate to dns0.heteml.jp and dns1.heteml.jp.

The name server configuration of doucore.com is shared with other domains, for instance ko2.org, otelabo.com, mind-web.co.jp and two others.

Each of dns0.heteml.jp and dns1.heteml.jp has one IP address: dns0.heteml.jp uses 157.7.44.53 and dns1.heteml.jp uses 157.7.188.149.

Mail Servers

doucore.com uses one mail server — mx.hetemail.jp.

The mail server setup of doucore.com matches that of other domains such as hs-share.com, ajing.net, alplaza-kusatsu-apa.jp and two others.

At least a portion of doucore.com's mail servers are shared with other domains, among them oflife.asia and blason.jp.

mx.hetemail.jp resolves to 157.7.189.1 and no other IP number.