s-juken.com - robtex.com
s-juken.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 164.46.118.210🇯🇵 IDC164.46.64.0/18 Frontier Inc. | ||||||
| PTR | apricot-sheep-54c8b007b0864509.znlc.jp | ||||||
| NS | ns1.do-reg.jp ⭐ | ||||||
| A | 203.183.220.201🇯🇵 IDC203.183.192.0/18 Frontier Inc. | ||||||
| NS | ns2.do-reg.jp | ||||||
| A | 203.137.197.45🇯🇵 IDC203.137.192.0/18 Frontier Inc. | ||||||
| PTR | 203-137-197-45.monstera.jp-west.compute.idcfcloud.net | ||||||
| MX | apricot-sheep-54c8b007b0864509.znlc.jp ⭐ | ||||||
| A | 164.46.118.210🇯🇵 IDC164.46.64.0/18 Frontier Inc. | ||||||
| PTR | apricot-sheep-54c8b007b0864509.znlc.jp | ||||||
| TXT | v=spf1 +ip4:164.46.118.210 include:gmail.com ~all | ||||||
| SOA | NS1.DO-REG.JProot@S-JUKEN.COM serial=2405311137 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776165177 | ||||||
Subdomains
www.s-juken.com |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSns.marimo.or.jp2015-06-10 → 2017-03-21 · 4 obs
● 2017-03-21 06:19:34
○ 2026-04-09 01:46:56
○ 2026-04-14 11:30:10
●NSns1.do-reg.jp2026-04-09 → 2026-04-14 · 3 obs
● 2026-04-09 01:46:56
● 2026-04-14 11:30:10
●NSns2.do-reg.jp2026-04-09 → 2026-04-14 · 3 obs
● 2026-04-09 01:46:56
● 2026-04-14 11:30:10
○NSns2.marimo.or.jp2015-06-10 → 2017-03-21 · 4 obs
● 2017-03-21 06:19:34
○ 2026-04-09 01:46:56
○ 2026-04-14 11:30:10
○NSns3.marimo.or.jp2015-06-10 → 2017-03-21 · 4 obs
● 2017-03-21 06:19:34
○ 2026-04-09 01:46:56
○ 2026-04-14 11:30:10
●MXapricot-sheep-54c8b007b0864509.znlc.jp2026-04-09 → 2026-04-14 · 3 obs
● 2026-04-09 01:46:56
● 2026-04-14 11:30:10
○MXrose.marimo.or.jp2015-06-10 → 2017-03-21 · 4 obs
● 2017-03-21 06:19:34
○ 2026-04-09 01:46:56
○ 2026-04-14 11:30:10
●A164.46.118.2102026-04-09 → 2026-04-14 · 3 obs
● 2026-04-09 01:46:56
● 2026-04-14 11:30:10
○A210.166.195.82015-06-10 → 2017-03-21 · 4 obs
● 2017-03-21 06:19:34
○ 2026-04-09 01:46:56
○ 2026-04-14 11:30:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net... | - |
| s-juken.com | ns1.do-reg.jp, ns2.do-reg.jp | - |
✅ Authoritative Response
Server:203.137.197.45
NS records: ns1.do-reg.jp, ns2.do-reg.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for s-juken.com (unsigned zone)
⏱️ Timing
Total: 1548ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 164.46.118.210 |
| NS | 2 | NS2.DO-REG.JP, NS1.DO-REG.JP |
| MX | 1 | apricot-sheep-54c8b007b0864509.znlc.jp ( |
| TXT | 1 | v=spf1 +ip4:164.46.118.210 include:gmail |
| SOA | 1 | NS1.DO-REG.JP root.S-JUKEN.COM |
Analysis
Hierarchy
s-juken.com is the parent of www.s-juken.com.
IP Addresses
s-juken.com points to a single IP number: 164.46.118.210.
other host names for instance kushirohokubu.com, www.s-juken.com, rc-kushiro.jp, www.rc-kushiro.jp and fukutsukasa.jp share IP numbers with s-juken.com.
Name Servers
s-juken.com is delegated to two name servers: ns1.do-reg.jp and ns2.do-reg.jp.
s-juken.com shares the same name server setup as other domains, for example sawamochi.jp, kyorin-u.com, s-kukaku.gr.jp, tagumadiamond.co.jp and gyoseishoshi-kansai.com.
s-juken.com partially shares name servers with other domains, for instance vsl-assoc.org, do-reg.jp and e-biotope.com.
Host names with one IP number:
The host ns1.do-reg.jp points to 203.183.220.201 and the host ns2.do-reg.jp points to 203.137.197.45.
Mail Servers
s-juken.com is handled by a single mail server, apricot-sheep-54c8b007b0864509.znlc.jp.
s-juken.com shares the same mail server setup as other domains, for instance ku-denkou.com, kushirohokubu.com, rc-kushiro.jp, apricot-sheep-54c8b007b0864509.znlc.jp and marutami.com.
Host name apricot-sheep-54c8b007b0864509.znlc.jp points to IP address 164.46.118.210.