valueworks.co.jp - robtex.com
valueworks.co.jp
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
MX for
valueworks.co.jp |
Subdomains
mx.valueworks.co.jp |
Same first word
Similar names
DNS History
11 records (7 active, 4 former)
○NSns.namedserver.net2015-08-11 → 2017-06-06 · 4 obs
● 2017-06-06 12:36:46
○ 2026-04-18 21:54:34
○ 2026-05-10 04:59:28
●NSns1.xserver.jp2026-04-18 → 2026-05-10 · 3 obs
● 2026-04-18 21:54:34
● 2026-05-10 04:59:28
○NSns2.namedserver.net2015-08-11 → 2017-06-06 · 4 obs
● 2017-06-06 12:36:46
○ 2026-04-18 21:54:34
○ 2026-05-10 04:59:28
●NSns2.xserver.jp2026-04-18 → 2026-05-10 · 3 obs
● 2026-04-18 21:54:34
● 2026-05-10 04:59:28
●NSns3.xserver.jp2026-04-18 → 2026-05-10 · 3 obs
● 2026-04-18 21:54:34
● 2026-05-10 04:59:28
●NSns4.xserver.jp2026-04-18 → 2026-05-10 · 3 obs
● 2026-04-18 21:54:34
● 2026-05-10 04:59:28
●NSns5.xserver.jp2026-04-18 → 2026-05-10 · 3 obs
● 2026-04-18 21:54:34
● 2026-05-10 04:59:28
○MXmx.valueworks.co.jp2015-08-11 → 2017-06-06 · 4 obs
● 2017-06-06 12:36:46
○ 2026-04-18 21:54:34
○ 2026-05-10 04:59:28
●MXvalueworks.co.jp2026-04-18 → 2026-05-10 · 3 obs
● 2026-04-18 21:54:34
● 2026-05-10 04:59:28
●A157.112.183.162026-04-18 → 2026-05-10 · 3 obs
● 2026-04-18 21:54:34
● 2026-05-10 04:59:28
○A211.13.196.1612015-08-11 → 2017-06-06 · 4 obs
● 2017-06-06 12:36:46
○ 2026-04-18 21:54:34
○ 2026-05-10 04:59:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| valueworks.co.jp | ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp... | 11 records |
✅ Authoritative Response
Server:183.90.224.230
NS records: ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp, ns1.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for valueworks.co.jp (unsigned zone)
⏱️ Timing
Total: 915ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.112.183.16 |
| NS | 5 | ns5.xserver.jp, ns3.xserver.jp... |
| MX | 1 | valueworks.co.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv5175.xserver.jp +a:valuework |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
Hierarchy
The parent of mx.valueworks.co.jp is valueworks.co.jp.
Mail Server Role
valueworks.co.jp serves as the mail server for valueworks.co.jp.
IP Addresses
valueworks.co.jp points to IP number: 157.112.183.16.
Other host names such as sposearch.com, gifunisseki.co.jp, listserv.coffee-explorer.net, www.bpd.jp and silentbeatle.com share IPs with valueworks.co.jp.
Name Servers
valueworks.co.jp is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
valueworks.co.jp at least partially shares name servers with other domains, for instance agarubiz.com, shimaoto.com, noda-salon.com, shuyukai.com and aoba.clinic.
Host names with three IP numbers:
ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names with one IP number:
ns2.xserver.jp points to: 35.72.43.26.
ns3.xserver.jp points to: 202.226.36.247.
Mail Servers
valueworks.co.jp is handled by a single mail server, valueworks.co.jp.
valueworks.co.jp points to a single IP: 157.112.183.16.