mx.valueworks.co.jp - robtex.com
mx.valueworks.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.112.183.16🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| PTR | sv5175.xserver.jp | ||||||
valueworks.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.112.183.16🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| NS | ns1.xserver.jp ⭐ | ||||||
| NS | ns2.xserver.jp | ||||||
| NS | ns3.xserver.jp | ||||||
| NS | ns4.xserver.jp | ||||||
| NS | ns5.xserver.jp | ||||||
| MX | valueworks.co.jp ⭐ | ||||||
| TXT | v=spf1 +a:sv5175.xserver.jp +a:valueworks.co.jp +mx include:spf.sender.xserve... | ||||||
| SOA | ns1.xserver.jproot@xserver.jp serial=0 | ||||||
Previously MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A157.112.183.162026-04-18 → 2026-05-10 · 2 obs
● 2026-04-18 21:54:32
● 2026-05-10 23:45:58
● 2026-05-10 23:45:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | d.dns.jp, f.dns.jp, h.dns.jp, c.dns.jp... | - |
| valueworks.co.jp | ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp... | 11 records |
✅ Authoritative Response
Server:202.226.37.247
NS records: ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for valueworks.co.jp (unsigned zone)
⏱️ Timing
Total: 4095ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.112.183.16 |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
IP Addresses
mx.valueworks.co.jp resolves to one IP number: 157.112.183.16.
other host names including sv5175.xserver.jp, survivaldays.net, atlas-cars.net, hostmaster.bpd.jp and valueworks.co.jp share IP numbers with mx.valueworks.co.jp.