fcoder.jp - robtex.com
fcoder.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=1791244803 | ||||||
MX for
fcoder.jp |
Same first word
fcoder.com |
fcoder.us |
fcoder.jp |
fcoder.pl |
fcoder.lv |
fcoder.de |
fcoder.uk |
fcoder.net |
fcoder.pages.dev |
fcoder.ph |
fcoder.eu |
Similar names
Previous names
fcm-test.jp |
fcma.jp |
fcmarella.jp |
fcmarushin.jp |
fcmc.jp |
fcmj.jp |
fcmm.jp |
fcmonte.jp |
fcms.jp |
fcn-co.jp |
fcn.jp |
fcnakatsu.jp |
fcnara.jp |
fcnc.jp |
fcnet.jp |
fcnews.jp |
fcnlinks.jp |
fcnomade.jp |
fco.jp |
Next names
fcoffee.jp |
fcofuna-kanagawa.jp |
fcollection.jp |
fcolor.jp |
fcolors.jp |
fcom.jp |
fcoming.jp |
fcommunity.jp |
fcon.jp |
fcon6757.jp |
fcons.jp |
fcoop.jp |
fcore.jp |
fcoriginal.jp |
fcorp.jp |
fcos.jp |
fcoshu.jp |
fcp-japan.jp |
fcp.jp |
fcp32.jp |
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-09-28 → 2026-10-06 · 2 obs
● 2026-10-06 00:53:38
●NSns2.xserver.jp2026-09-28 → 2026-10-06 · 2 obs
● 2026-10-06 00:53:38
●NSns3.xserver.jp2026-09-28 → 2026-10-06 · 2 obs
● 2026-10-06 00:53:38
●NSns4.xserver.jp2026-09-28 → 2026-10-06 · 2 obs
● 2026-10-06 00:53:38
●NSns5.xserver.jp2026-09-28 → 2026-10-06 · 2 obs
● 2026-10-06 00:53:38
●MXfcoder.jp2026-09-28 → 2026-10-06 · 2 obs
● 2026-10-06 00:53:38
●A162.43.101.682026-09-28 → 2026-10-06 · 2 obs
● 2026-10-06 00:53:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| fcoder.jp | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | 11 records |
✅ Authoritative Response
Server:183.90.224.226
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 fcoder.jp (unsigned zone)
⏱️ Timing
Total: 1997ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.43.101.68 |
| NS | 5 | ns2.xserver.jp, ns5.xserver.jp... |
| MX | 1 | fcoder.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv14867.xserver.jp +a:fcoder.j |
| 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
fcoder.jp handles its own mail, functioning as its own mail server.
IP Addresses
fcoder.jp resolves to just one IP address, 162.43.101.68.
Two other host names, along with gyosho-noguchi.com, victorykyozai.com and willforwardconsulting.com, also share IP numbers with fcoder.jp.
Name Servers
fcoder.jp delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
fcoder.jp shares at least some of its name servers with other domains, including sosyaken.jp, umap.net, umaimonzukan.com and two others.
These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.
Hostnames that map to three IP numbers:
ns1.xserver.jp maps to three IP addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp maps to three IP addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp maps to three IP addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names that point to one IP address:
ns2.xserver.jp resolves to the IP address 35.72.43.26.
ns3.xserver.jp resolves to the IP address 202.226.36.247.
Mail Servers
fcoder.jp is served by just one mail server: fcoder.jp.
fcoder.jp resolves to 162.43.101.68 and no other IP number.