jsdc.jp - dns.ninja

jsdc.jp

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-proxy501.heteml.jp
A157.7.189.17🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
MXmx-proxy502.heteml.jp(20)
A157.7.189.18🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
TXTv=spf1 include:_spf.heteml.jp ~all
SOAdns0.heteml.jphostmaster@jsdc.jp serial=1785694098

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1785709803

Subdomains

Same first word

Similar names

DNS History

12 records (5 active, 7 former)

201020122014201620182020202220242026NSdns0.heteml.jpdns1.heteml.jpns1.the-brain.co.jpns3.masterweb.ne.jpMXmx-proxy501.heteml.jpmx-proxy502.heteml.jpmail35.heteml.jpwww.jsdc.jpA157.7.44.233157.7.188.151182.48.26.6559.106.28.69
NSdns0.heteml.jp2015-06-19 → 2026-08-02 · 3 obs
○ 2009-01-14 00:31:56
● 2015-06-19 00:22:12
● 2026-08-02 23:25:14
NSdns1.heteml.jp2015-06-19 → 2026-08-02 · 3 obs
○ 2009-01-14 00:31:56
● 2015-06-19 00:22:12
● 2026-08-02 23:25:14
NSns1.the-brain.co.jp2009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 00:31:56
○ 2015-06-19 00:22:12
○ 2026-08-02 23:25:14
NSns3.masterweb.ne.jp2009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 00:31:56
○ 2015-06-19 00:22:12
○ 2026-08-02 23:25:14
MXmail35.heteml.jp2015-06-19 → 2017-04-19 · 5 obs
○ 2009-01-14 00:31:56
● 2015-06-19 00:22:12
● 2017-04-19 08:40:24
○ 2026-02-15 07:44:38
○ 2026-08-02 23:25:14
MXmx-proxy501.heteml.jp2026-02-15 → 2026-08-02 · 3 obs
○ 2017-04-19 08:40:24
● 2026-02-15 07:44:38
● 2026-08-02 23:25:14
MXmx-proxy502.heteml.jp2026-02-15 → 2026-08-02 · 3 obs
○ 2017-04-19 08:40:24
● 2026-02-15 07:44:38
● 2026-08-02 23:25:14
MXwww.jsdc.jp2009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 00:31:56
○ 2015-06-19 00:22:12
○ 2026-08-02 23:25:14
A157.7.188.1512015-11-02 → 2017-04-19 · 5 obs
○ 2015-06-19 00:22:12
● 2015-11-02 20:08:32
● 2017-04-19 08:40:24
○ 2026-02-15 07:44:38
○ 2026-08-02 23:25:14
A157.7.44.2332026-02-15 → 2026-08-02 · 3 obs
○ 2017-04-19 08:40:24
● 2026-02-15 07:44:38
● 2026-08-02 23:25:14
A182.48.26.652015-06-19 → 2015-06-19 · 4 obs
○ 2009-01-14 00:31:56
● 2015-06-19 00:22:12
○ 2015-11-02 20:08:32
○ 2026-08-02 23:25:14
A59.106.28.692009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 00:31:56
○ 2015-06-19 00:22:12
○ 2026-08-02 23:25:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, a.dns.jp, c.dns.jp, h.dns.jp...-
jsdc.jpdns0.heteml.jp, dns1.heteml.jp2 records

✅ Authoritative Response

Server:157.7.44.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jsdc.jp (unsigned zone)

⏱️ Timing

Total: 902ms | Queries: -

📄 Records

TypeCountSample Data
A1157.7.44.233
NS2dns1.heteml.jp, dns0.heteml.jp
MX2mx-proxy501.heteml.jp (pri: 10), mx-proxy502.heteml.jp (pri: 20)
TXT1v=spf1 include:_spf.heteml.jp ~all
SOA1dns0.heteml.jp hostmaster.jsdc.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.heteml.jp, dns0.heteml.jp)

Analysis

Hierarchy

jsdc.jp serves as the parent of www.jsdc.jp.

IP Addresses

jsdc.jp has exactly one IP address — 157.7.44.233.

owgi.net, alpha-suit.com, aec-ed.com plus two other host names have IP numbers in common with jsdc.jp.

Name Servers

jsdc.jp has two authoritative name servers — dns0.heteml.jp and dns1.heteml.jp.

The name server configuration of jsdc.jp is shared with other domains, for instance el-gato.biz, dotd.co.jp, starwave.jp and two others.

The name servers for jsdc.jp overlap at least partially with those of other domains — for example e-forum.gr.jp.

dns0.heteml.jp directs to 157.7.44.53 and dns1.heteml.jp directs to 157.7.188.149; each host name points to exactly one IP number.

Mail Servers

jsdc.jp uses two mail servers, mx-proxy501.heteml.jp and mx-proxy502.heteml.jp.

The mail server setup of jsdc.jp matches that of other domains such as pd-school.com, boundnews.com, gargamel.jp and two others.

The mail servers of jsdc.jp overlap at least partially with those of other domains, including xmerge.net, square1.jp and yadokari.net.

mx-proxy501.heteml.jp directs to 157.7.189.17 and mx-proxy502.heteml.jp directs to 157.7.189.18; each host name points to exactly one IP number.