chuo-s.com - robtex.com
chuo-s.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.129.49.109🇯🇵 IDC210.129.48.0/20 Frontier Inc. | ||||||
| PTR | 210-129-49-109.jp-east.compute.idcfcloud.com | ||||||
| NS | ns2.tows.ne.jp ⭐ | ||||||
| A | 211.14.148.141🇯🇵 IDC211.14.144.0/20 Frontier Inc. | ||||||
| NS | ns3.tows.ne.jp | ||||||
| A | 133.130.71.146🇯🇵 GMO-INTERNET133.130.64.0/18 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | ns3.tows.ne.jp | ||||||
| NS | ns4.tows.ne.jp | ||||||
| A | 157.7.128.65🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | ns4.tows.ne.jp | ||||||
| MX | aegis02.tows.ne.jp ⭐ | ||||||
| A | 211.14.148.142🇯🇵 IDC211.14.144.0/20 Frontier Inc. | ||||||
| MX | aegis03.tows.ne.jp ⭐ | ||||||
| A | 211.14.148.143🇯🇵 IDC211.14.144.0/20 Frontier Inc. | ||||||
| TXT | v=spf1 ip4:202.238.198.239 include:spf1.tows.ne.jp include:spf2.tows.ne.jp ~all | ||||||
| SOA | ns2.tows.ne.jpadmin@tows.ne.jp serial=1203573912 | ||||||
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=1786380919 | ||||||
Subdomains
www.chuo-s.com |
Same first word
chuo-s.com |
DNS History
9 records (6 active, 3 former)
●NSns2.tows.ne.jp2015-08-04 → 2026-08-10 · 2 obs
● 2026-08-10 17:25:00
●NSns3.tows.ne.jp2015-08-04 → 2026-08-10 · 2 obs
● 2026-08-10 17:25:00
●NSns4.tows.ne.jp2015-08-04 → 2026-08-10 · 2 obs
● 2026-08-10 17:25:00
●MXaegis02.tows.ne.jp2026-06-09 → 2026-08-10 · 3 obs
● 2026-06-09 09:35:12
● 2026-08-10 17:25:00
●MXaegis03.tows.ne.jp2026-06-09 → 2026-08-10 · 3 obs
● 2026-06-09 09:35:12
● 2026-08-10 17:25:00
○MXfox2.tows.ne.jp2015-08-04 → 2018-09-29 · 4 obs
● 2018-09-29 22:39:26
○ 2026-06-09 09:35:12
○ 2026-08-10 17:25:00
○MXfox3.tows.ne.jp2015-08-04 → 2018-09-29 · 4 obs
● 2018-09-29 22:39:26
○ 2026-06-09 09:35:12
○ 2026-08-10 17:25:00
●A210.129.49.1092026-06-09 → 2026-08-10 · 3 obs
● 2026-06-09 09:35:12
● 2026-08-10 17:25:00
○A211.14.148.2212015-08-04 → 2018-09-29 · 4 obs
● 2018-09-29 22:39:26
○ 2026-06-09 09:35:12
○ 2026-08-10 17:25:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net... | - |
| chuo-s.com | ns3.tows.ne.jp, ns4.tows.ne.jp, ns2.tows.ne.jp | - |
✅ Authoritative Response
Server:133.130.71.146
NS records: ns3.tows.ne.jp, ns4.tows.ne.jp, ns2.tows.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for chuo-s.com (unsigned zone)
⏱️ Timing
Total: 1091ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.129.49.109 |
| NS | 3 | ns3.tows.ne.jp, ns4.tows.ne.jp... |
| MX | 2 | aegis03.tows.ne.jp (pri: 10), aegis02.tows.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 ip4:202.238.198.239 include:spf1. |
| SOA | 1 | ns2.tows.ne.jp admin.tows.ne.jp |
Analysis
Hierarchy
chuo-s.com serves as the parent of www.chuo-s.com.
IP Addresses
chuo-s.com points to a single IP number: 210.129.49.109.
Additional host names — route11.co.jp, maspas.jp, w-bee.co.jp and two others — share IP numbers with chuo-s.com.
Name Servers
DNS for chuo-s.com is handled by three authoritative name servers: ns2.tows.ne.jp, ns3.tows.ne.jp and ns4.tows.ne.jp.
chuo-s.com has at least partial name server overlap with other domains, such as clipstudio.co.jp, iyamadesign.jp, hana88-design.com and two others.
It is common to see these name servers used together with name servers dmzsv01.ferris.ac.jp and dmzsv02.ferris.ac.jp.
ns2.tows.ne.jp, ns3.tows.ne.jp and ns4.tows.ne.jp all have one IP address each — ns2.tows.ne.jp directs to 211.14.148.141, ns3.tows.ne.jp directs to 133.130.71.146 and ns4.tows.ne.jp directs to 157.7.128.65.
Mail Servers
chuo-s.com has two mail servers: aegis02.tows.ne.jp and aegis03.tows.ne.jp.
chuo-s.com shares the same mail server setup as other domains, including kk-tack.com, tools-mail.com, dddflux.co.jp and two others.
chuo-s.com shares mail servers — at least in part — with other domains, including crsn.co.jp, bunpei.com, oga-design.com and two others.
aegis02.tows.ne.jp directs to 211.14.148.142 and aegis03.tows.ne.jp directs to 211.14.148.143; each host name points to exactly one IP number.