bycode.jp - robtex.com
bycode.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=1788742803 | ||||||
MX for
bycode.jp |
Same first word
Similar names
Previous names
byakurendo.jp |
byakurenurawa.jp |
byakusyn.jp |
byakuya.jp |
byallaccounts.jp |
byamondz.jp |
byard.jp |
byb.jp |
bybanoo.jp |
bybiehl.jp |
bybirth.jp |
bybo.jp |
byboat.jp |
bybow.jp |
bybuy.jp |
byby.jp |
byc.jp |
bychance.jp |
bycle.jp |
bycloud.jp |
Next names
bycrew.jp |
byd.jp |
bydesign.jp |
bydstudy.jp |
byebye-wp.jp |
byedge.jp |
byeonwooseok.jp |
byera.jp |
byerlis.jp |
byfff.jp |
byflow.jp |
byfmm.jp |
bygones.jp |
bygroup.jp |
byh.jp |
byheart.jp |
byinc.jp |
byj.jp |
byjapan.jp |
DNS History
7 records (7 active, 0 former)
●NSns1.xserver.jp2026-09-04 → 2026-09-07 · 2 obs
● 2026-09-07 01:05:32
●NSns2.xserver.jp2026-09-04 → 2026-09-07 · 2 obs
● 2026-09-07 01:05:32
●NSns3.xserver.jp2026-09-04 → 2026-09-07 · 2 obs
● 2026-09-07 01:05:32
●NSns4.xserver.jp2026-09-04 → 2026-09-07 · 2 obs
● 2026-09-07 01:05:32
●NSns5.xserver.jp2026-09-04 → 2026-09-07 · 2 obs
● 2026-09-07 01:05:32
●MXbycode.jp2026-09-04 → 2026-09-07 · 2 obs
● 2026-09-07 01:05:32
●A183.90.242.322026-09-04 → 2026-09-07 · 2 obs
● 2026-09-07 01:05:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | 15 records |
| bycode.jp | ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp... | 11 records |
✅ Authoritative Response
Server:202.226.36.170
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 bycode.jp (unsigned zone)
⏱️ Timing
Total: 933ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.242.32 |
| NS | 5 | ns1.xserver.jp, ns3.xserver.jp... |
| MX | 1 | bycode.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv2131.xserver.jp +a:bycode.jp |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
📌 Glue Records Collected
Total: 26
In-bailiwick: 15 (a.dns.jp, a.dns.jp, b.dns.jp...)
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
Mail Server Role
The MX record for bycode.jp points back to bycode.jp — it is its own mail server.
IP Addresses
bycode.jp directs to one IP number, which is 183.90.242.32.
Among the host names that share IP numbers with bycode.jp are otocoto333.com, coochucamp.com, lei-hair.com and two others.
Name Servers
The authoritative name servers for bycode.jp are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
The name servers of bycode.jp overlap at least partially with those of other domains — among them misato-onsen.com, sayoeshop.jp, hiraku-up.com and two more.
These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.
Hosts with three IP address records:
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.
Hosts that resolve to one IP address:
ns2.xserver.jp points to 35.72.43.26.
ns3.xserver.jp points to 202.226.36.247.
Mail Servers
The MX record for bycode.jp points to a single mail server: bycode.jp.
bycode.jp resolves to a single IP number: 183.90.242.32.