koyocom.jp - robtex.com
koyocom.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=1774426502 | ||||||
MX for
koyocom.jp |
Subdomains
mail.koyocom.jp |
Same first word
koyocom.jp |
DNS History
11 records (7 active, 4 former)
○NSns.namedserver.net2015-08-11 → 2017-03-20 · 4 obs
● 2017-03-20 03:15:30
○ 2026-03-05 16:09:56
○ 2026-03-25 08:45:34
●NSns1.xserver.jp2026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 16:09:56
● 2026-03-25 08:45:34
○NSns2.namedserver.net2015-08-11 → 2017-03-20 · 4 obs
● 2017-03-20 03:15:30
○ 2026-03-05 16:09:56
○ 2026-03-25 08:45:34
●NSns2.xserver.jp2026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 16:09:56
● 2026-03-25 08:45:34
●NSns3.xserver.jp2026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 16:09:56
● 2026-03-25 08:45:34
●NSns4.xserver.jp2026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 16:09:56
● 2026-03-25 08:45:34
●NSns5.xserver.jp2026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 16:09:56
● 2026-03-25 08:45:34
●MXkoyocom.jp2026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 16:09:56
● 2026-03-25 08:45:34
○MXmx.koyocom.jp2015-08-11 → 2017-03-20 · 4 obs
● 2017-03-20 03:15:30
○ 2026-03-05 16:09:56
○ 2026-03-25 08:45:34
○A153.122.6.2332015-08-11 → 2017-03-20 · 4 obs
● 2017-03-20 03:15:30
○ 2026-03-05 16:09:56
○ 2026-03-25 08:45:34
●A85.131.207.1362026-03-05 → 2026-03-25 · 3 obs
● 2026-03-05 16:09:56
● 2026-03-25 08:45:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| koyocom.jp | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | 11 records |
✅ 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 koyocom.jp (unsigned zone)
⏱️ Timing
Total: 979ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.131.207.136 |
| NS | 5 | ns2.xserver.jp, ns3.xserver.jp... |
| MX | 1 | koyocom.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv16395.xserver.jp +a:koyocom. |
| 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
Hierarchy
The parent of mail.koyocom.jp is koyocom.jp.
Mail Server Role
The mail server for koyocom.jp is koyocom.jp.
IP Addresses
koyocom.jp points to a single IP address: 85.131.207.136.
Other host names such as ueda-reo.com, trunkroom-search.com, seedr.co.jp, mail.lobbyist.co.jp and optics-dealer.com share IPs with koyocom.jp.
Name Servers
koyocom.jp is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
koyocom.jp at least partially shares name servers with other domains, for example 221b-j.net, omoshiro-zatsugaku.com, tokyo-machinery.com, ilchibrainyoga-tarumi.com and naturalgolfnara.com.
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
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 koyocom.jp; that server is koyocom.jp.
koyocom.jp points to a single IP number: 85.131.207.136.