ctsrsv.jp - robtex.com
ctsrsv.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 180.222.185.27🇯🇵 AS131921180.222.184.0/21 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | sub0000529483.hmk-temp.com | ||||||
| NS | ns2.namedserver.net ⭐ | ||||||
| A | 157.120.112.212🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.113.212🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.114.212🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K. | ||||||
| NS | ns.namedserver.net | ||||||
| A | 157.120.112.212🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.113.212🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K. | ||||||
| A | 157.120.114.212🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K. | ||||||
| MX | ctsrsv.jp ⭐ | ||||||
| A | 180.222.185.27🇯🇵 AS131921180.222.184.0/21 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | sub0000529483.hmk-temp.com | ||||||
| MX | mail.ctsrsv.jp ⭐ | ||||||
| A | 180.222.185.27🇯🇵 AS131921180.222.184.0/21 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | sub0000529483.hmk-temp.com | ||||||
| SOA | ns.namedserver.netroot@namedserver.net serial=7 | ||||||
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=1775972702 | ||||||
MX for
ctsrsv.jp |
Subdomains
mail.ctsrsv.jp |
Same first word
ctsrsv.jp |
Similar names
DNS History
6 records (5 active, 1 former)
●NSns.namedserver.net2015-08-13 → 2026-04-12 · 2 obs
● 2026-04-12 05:56:36
●NSns2.namedserver.net2015-08-13 → 2026-04-12 · 2 obs
● 2026-04-12 05:56:36
●MXctsrsv.jp2015-08-13 → 2026-04-12 · 2 obs
● 2026-04-12 05:56:36
●MXmail.ctsrsv.jp2015-08-13 → 2026-04-12 · 2 obs
● 2026-04-12 05:56:36
●A180.222.185.272026-03-12 → 2026-04-12 · 3 obs
● 2026-03-12 09:43:58
● 2026-04-12 05:56:36
○A180.222.186.892015-08-13 → 2016-12-03 · 4 obs
● 2016-12-03 22:02:58
○ 2026-03-12 09:43:58
○ 2026-04-12 05:56:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | b.dns.jp, d.dns.jp, a.dns.jp, c.dns.jp... | - |
| ctsrsv.jp | ns2.namedserver.net, ns.namedserver.net | - |
✅ Authoritative Response
Server:157.120.113.212
NS records: ns2.namedserver.net, ns.namedserver.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctsrsv.jp (unsigned zone)
⏱️ Timing
Total: 1416ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 180.222.185.27 |
| NS | 2 | ns2.namedserver.net, ns.namedserver.net |
| MX | 2 | mail.ctsrsv.jp (pri: 100), ctsrsv.jp (pri: 100) |
| SOA | 1 | ns.namedserver.net root.namedserver.net |
Analysis
Hierarchy
ctsrsv.jp is the parent of mail.ctsrsv.jp.
Mail Server Role
ctsrsv.jp is the mail server for ctsrsv.jp.
Together with ctsrsv.jp, mail.ctsrsv.jp is commonly used as a mail server.
IP Addresses
ctsrsv.jp resolves to a single IP: 180.222.185.27.
Other host names, for instance, sub0000529483.hmk-temp.com and mail.ctsrsv.jp share IP numbers with ctsrsv.jp.
Name Servers
ctsrsv.jp has two name servers: ns2.namedserver.net and ns.namedserver.net.
ctsrsv.jp shares the same name server setup as other domains, for example 114.161.122.153.in-addr.arpa, 162.73.122.153.in-addr.arpa, hrdesign.co.jp, 62.44.122.153.in-addr.arpa and 125.43.122.153.in-addr.arpa.
ctsrsv.jp shares some name servers with other domains, for instance e-noac.com, 196.122.153.in-addr.arpa and 181.122.153.in-addr.arpa.
These name servers are commonly used together with ns2.isle-jp.net and ns.isle-jp.net.
Host names with three IP numbers:
ns2.namedserver.net and ns.namedserver.net point to: 157.120.112.212, 157.120.113.212 and 157.120.114.212.
Names pointing to 157.120.112.212: ns2.namedserver.net and ns.namedserver.net.
Names pointing to 157.120.113.212: ns2.namedserver.net and ns.namedserver.net.
Names pointing to 157.120.114.212: ns2.namedserver.net and ns.namedserver.net.
Mail Servers
ctsrsv.jp is handled by two mail servers: ctsrsv.jp and mail.ctsrsv.jp.
Host names with one IP number:
ctsrsv.jp points to: 180.222.185.27
mail.ctsrsv.jp points to: 180.222.185.27
Names pointing to 180.222.185.27: ctsrsv.jp and mail.ctsrsv.jp