cogeneration.jp - robtex.com
cogeneration.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.253.49 | ||||||
| NS | ns1.xserver.jp ⭐ | ||||||
| NS | ns2.xserver.jp | ||||||
| NS | ns3.xserver.jp | ||||||
| NS | ns4.xserver.jp | ||||||
| NS | ns5.xserver.jp | ||||||
| MX | cogeneration.jp ⭐ | ||||||
| A | 183.90.253.49 | ||||||
| TXT | v=spf1 +a:sv1448.xserver.jp +a:cogeneration.jp +mx include:spf.sender.xserver... | ||||||
| SOA | ns1.xserver.jproot@sv0.xserver.jp serial=0 | ||||||
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=1777229103 | ||||||
MX for
cogeneration.jp |
Same first word
cogeneration.de |
cogeneration.net |
cogeneration.md |
cogeneration.com.ua |
cogeneration.ch |
cogeneration.se |
cogeneration.org |
cogeneration.jp |
Similar names
DNS History
15 records (7 active, 8 former)
○NSdns01.park.onamae.com2015-11-25 → 2016-07-08 · 5 obs
○ 2015-08-10 01:10:46
● 2015-11-25 06:53:32
● 2016-07-08 22:27:30
○ 2017-03-23 08:53:28
○ 2026-04-26 19:38:28
● 2015-11-25 06:53:32
● 2016-07-08 22:27:30
○ 2017-03-23 08:53:28
○ 2026-04-26 19:38:28
○NSdns02.park.onamae.com2015-11-25 → 2016-07-08 · 5 obs
○ 2015-08-10 01:10:46
● 2015-11-25 06:53:32
● 2016-07-08 22:27:30
○ 2017-03-23 08:53:28
○ 2026-04-26 19:38:28
● 2015-11-25 06:53:32
● 2016-07-08 22:27:30
○ 2017-03-23 08:53:28
○ 2026-04-26 19:38:28
○NSdns1.onamae.com2017-03-23 → 2017-03-23 · 4 obs
○ 2016-07-08 22:27:30
● 2017-03-23 08:53:28
○ 2020-04-08 23:21:34
○ 2026-04-26 19:38:28
● 2017-03-23 08:53:28
○ 2020-04-08 23:21:34
○ 2026-04-26 19:38:28
○NSdns2.onamae.com2017-03-23 → 2017-03-23 · 4 obs
○ 2016-07-08 22:27:30
● 2017-03-23 08:53:28
○ 2020-04-08 23:21:34
○ 2026-04-26 19:38:28
● 2017-03-23 08:53:28
○ 2020-04-08 23:21:34
○ 2026-04-26 19:38:28
○NSns1.gmointernet.com2015-08-10 → 2016-07-08 · 4 obs
● 2015-08-10 01:10:46
● 2016-07-08 22:27:30
○ 2017-03-23 08:53:28
○ 2026-04-26 19:38:28
● 2016-07-08 22:27:30
○ 2017-03-23 08:53:28
○ 2026-04-26 19:38:28
●NSns1.xserver.jp2020-04-08 → 2026-04-26 · 3 obs
○ 2017-03-23 08:53:28
● 2020-04-08 23:21:34
● 2026-04-26 19:38:28
● 2020-04-08 23:21:34
● 2026-04-26 19:38:28
●NSns2.xserver.jp2020-04-08 → 2026-04-26 · 3 obs
○ 2017-03-23 08:53:28
● 2020-04-08 23:21:34
● 2026-04-26 19:38:28
● 2020-04-08 23:21:34
● 2026-04-26 19:38:28
●NSns3.xserver.jp2020-04-08 → 2026-04-26 · 3 obs
○ 2017-03-23 08:53:28
● 2020-04-08 23:21:34
● 2026-04-26 19:38:28
● 2020-04-08 23:21:34
● 2026-04-26 19:38:28
●NSns4.xserver.jp2020-04-08 → 2026-04-26 · 3 obs
○ 2017-03-23 08:53:28
● 2020-04-08 23:21:34
● 2026-04-26 19:38:28
● 2020-04-08 23:21:34
● 2026-04-26 19:38:28
●NSns5.xserver.jp2020-04-08 → 2026-04-26 · 3 obs
○ 2017-03-23 08:53:28
● 2020-04-08 23:21:34
● 2026-04-26 19:38:28
● 2020-04-08 23:21:34
● 2026-04-26 19:38:28
●MXcogeneration.jp2020-04-08 → 2026-04-26 · 2 obs
● 2020-04-08 23:21:34
● 2026-04-26 19:38:28
● 2026-04-26 19:38:28
○A150.95.255.382017-03-23 → 2017-03-23 · 4 obs
○ 2016-07-08 22:27:30
● 2017-03-23 08:53:28
○ 2020-04-08 23:21:34
○ 2026-04-26 19:38:28
● 2017-03-23 08:53:28
○ 2020-04-08 23:21:34
○ 2026-04-26 19:38:28
●A183.90.253.492020-04-08 → 2026-04-26 · 3 obs
○ 2017-03-23 08:53:28
● 2020-04-08 23:21:34
● 2026-04-26 19:38:28
● 2020-04-08 23:21:34
● 2026-04-26 19:38:28
○A210.157.1.1342015-08-10 → 2016-02-28 · 4 obs
● 2015-08-10 01:10:46
● 2016-02-28 20:46:24
○ 2016-07-08 22:27:30
○ 2026-04-26 19:38:28
● 2016-02-28 20:46:24
○ 2016-07-08 22:27:30
○ 2026-04-26 19:38:28
○A210.172.133.122016-07-08 → 2016-07-08 · 4 obs
○ 2016-02-28 20:46:24
● 2016-07-08 22:27:30
○ 2017-03-23 08:53:28
○ 2026-04-26 19:38:28
● 2016-07-08 22:27:30
○ 2017-03-23 08:53:28
○ 2026-04-26 19:38:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| cogeneration.jp | ns1.xserver.jp, ns3.xserver.jp, ns2.xserver.jp, ns4.xserver.jp... | 11 records |
✅ Authoritative Response
Server:202.226.39.247
NS records: ns1.xserver.jp, ns3.xserver.jp, ns2.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cogeneration.jp (unsigned zone)
⏱️ Timing
Total: 1322ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.253.49 |
| NS | 5 | ns1.xserver.jp, ns2.xserver.jp... |
| MX | 1 | cogeneration.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv1448.xserver.jp +a:cogenerat |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
Mail Server Role
The mail server for cogeneration.jp is cogeneration.jp.
IP Addresses
cogeneration.jp maps to IP address 183.90.253.49.
Name Servers
cogeneration.jp delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.
Mail Servers
One mail server serves cogeneration.jp.
cogeneration.jp points to one IP number: 183.90.253.49.