koshiyan.com - robtex.com
koshiyan.com
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=1774535142 | ||||||
MX for
koshiyan.com |
Same first word
koshiyan.com |
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2018-12-28 → 2026-03-26 · 2 obs
● 2026-03-26 14:41:26
●NSns2.xserver.jp2018-12-28 → 2026-03-26 · 2 obs
● 2026-03-26 14:41:26
●NSns3.xserver.jp2018-12-28 → 2026-03-26 · 2 obs
● 2026-03-26 14:41:26
●NSns4.xserver.jp2018-12-28 → 2026-03-26 · 2 obs
● 2026-03-26 14:41:26
●NSns5.xserver.jp2018-12-28 → 2026-03-26 · 2 obs
● 2026-03-26 14:41:26
●MXkoshiyan.com2018-12-28 → 2026-03-26 · 2 obs
● 2026-03-26 14:41:26
●A183.90.241.912018-12-28 → 2026-03-26 · 2 obs
● 2026-03-26 14:41:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net... | - |
| koshiyan.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:35.72.43.26
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 koshiyan.com (unsigned zone)
⏱️ Timing
Total: 705ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.241.91 |
| NS | 5 | ns1.xserver.jp, ns5.xserver.jp... |
| MX | 1 | koshiyan.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv7570.xserver.jp +a:koshiyan. |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Mail Server Role
koshiyan.com is the mail server for koshiyan.com.
IP Addresses
koshiyan.com resolves to a single IP: 183.90.241.91.
Other host names, for instance wataten.com, suiensha.com, kijutsushi.com, stc-sogen.com and sv7570.xserver.jp share IP numbers with koshiyan.com.
Name Servers
koshiyan.com delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
koshiyan.com shares some name servers with other domains, for example ev-planet.jp, dasaji.com, mokuren-dental.com, ryumeikan-honten.jp and johnnys-watcher.net.
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
One mail server handles koshiyan.com.
Host name koshiyan.com points to IP 183.90.241.91.