si-co.jp - robtex.com
si-co.jp
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1774834203 | ||||||
MX for
si-co.jp |
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-03-16 → 2026-03-30 · 2 obs
● 2026-03-30 01:34:46
●NSns2.xserver.jp2026-03-16 → 2026-03-30 · 2 obs
● 2026-03-30 01:34:46
●NSns3.xserver.jp2026-03-16 → 2026-03-30 · 2 obs
● 2026-03-30 01:34:46
●NSns4.xserver.jp2026-03-16 → 2026-03-30 · 2 obs
● 2026-03-30 01:34:46
●NSns5.xserver.jp2026-03-16 → 2026-03-30 · 2 obs
● 2026-03-30 01:34:46
●MXsi-co.jp2026-03-16 → 2026-03-30 · 2 obs
● 2026-03-30 01:34:46
●A162.43.121.1752026-03-16 → 2026-03-30 · 2 obs
● 2026-03-30 01:34:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | f.dns.jp, c.dns.jp, h.dns.jp, b.dns.jp... | - |
| si-co.jp | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | 11 records |
✅ Authoritative Response
Server:157.112.182.218
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for si-co.jp (unsigned zone)
⏱️ Timing
Total: 837ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.121.175 |
| NS | 5 | ns1.xserver.jp, ns4.xserver.jp... |
| MX | 1 | si-co.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv14374.xserver.jp +a:si-co.jp |
| 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
Mail Server Role
si-co.jp serves as the mail server for si-co.jp.
IP Addresses
si-co.jp points to IP number 162.43.121.175.
For instance, other host names mpow.jp, sin-ei-recycle.com, sanei-pro.co.jp, www.mpow.jp and banso-inc.jp share IP numbers with si-co.jp.
Name Servers
si-co.jp is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
si-co.jp shares name servers with other domains at least partially, for example xs623774.xsrv.jp, sobaneko.com, juc.co.jp, mhikobe-union.com and yumenohako.info.
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
si-co.jp is handled by a single mail server, si-co.jp.
si-co.jp points to a single IP: 162.43.121.175.