castjp.com - robtex.com
castjp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 64.56.177.76🇯🇵 IDC64.56.176.0/20 Frontier Inc. | ||||||
| NS | ns1.estore.co.jp ⭐ | ||||||
| A | 64.56.177.48🇯🇵 IDC64.56.176.0/20 Frontier Inc. | ||||||
| NS | ns2.estore.co.jp | ||||||
| A | 210.152.100.196🇯🇵 IDC210.152.64.0/18 Frontier Inc. | ||||||
| PTR | ns2-g3.estore.co.jp | ||||||
| NS | ns3.estore.co.jp | ||||||
| A | 202.238.220.136🇯🇵 IIJ-AS202.238.192.0/18 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | ns3-g3.estore.co.jp | ||||||
| NS | ns4.estore.co.jp | ||||||
| A | 203.137.192.68🇯🇵 IDC203.137.192.0/18 Frontier Inc. | ||||||
| PTR | ns4-g3.estore.co.jp | ||||||
| MX | mail.castjp.com ⭐ | ||||||
| A | 64.56.177.67🇯🇵 IDC64.56.176.0/20 Frontier Inc. | ||||||
| TXT | v=spf1 include:spf-ssx.estore.jp ~all | ||||||
| SOA | ns1.estore.co.jppostmaster@estore.co.jp 2023-07-26 #10 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Subdomains
mail.castjp.com |
Same first word
castjp.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.estore.co.jp2007-11-04 → 2026-03-23 · 2 obs
● 2026-03-23 11:49:20
●NSns2.estore.co.jp2007-11-04 → 2026-03-23 · 2 obs
● 2026-03-23 11:49:20
●NSns3.estore.co.jp2015-07-15 → 2026-03-23 · 3 obs
● 2015-07-15 09:38:04
● 2026-03-23 11:49:20
●NSns4.estore.co.jp2015-07-15 → 2026-03-23 · 3 obs
● 2015-07-15 09:38:04
● 2026-03-23 11:49:20
●MXmail.castjp.com2007-11-04 → 2026-03-23 · 2 obs
● 2026-03-23 11:49:20
●A64.56.177.762007-11-04 → 2026-03-23 · 2 obs
● 2026-03-23 11:49:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net... | - |
| castjp.com | ns1.estore.co.jp, ns2.estore.co.jp, ns3.estore.co.jp, ns4.estore.co.jp | - |
✅ Authoritative Response
Server:203.137.192.68
NS records: ns1.estore.co.jp, ns2.estore.co.jp, ns3.estore.co.jp, ns4.estore.co.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for castjp.com (unsigned zone)
⏱️ Timing
Total: 1408ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.56.177.76 |
| NS | 4 | ns4.estore.co.jp, ns3.estore.co.jp... |
| MX | 1 | mail.castjp.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf-ssx.estore.jp ~all |
| SOA | 1 | ns1.estore.co.jp postmaster.estore.co.jp |
Analysis
Hierarchy
castjp.com is a parent of mail.castjp.com.
IP Addresses
castjp.com points to a single IP address: 64.56.177.76.
Other host names such as drink-shop.jp, moranbon.com, hato-taxi.com, nihonkaikeibi.co.jp and www.sports-women-project.com share IP numbers with castjp.com.
Name Servers
castjp.com is delegated to four name servers: ns1.estore.co.jp, ns2.estore.co.jp, ns3.estore.co.jp and ns4.estore.co.jp.
At least part of the name servers for castjp.com are shared with other domains, for instance neko-store.com, hanashin.biz, kirin-pro.co.jp, fishing-kamiyama.jp and pizza-aglio.com.
Host names with one IP: ns1.estore.co.jp points to 64.56.177.48; ns2.estore.co.jp points to 210.152.100.196; ns3.estore.co.jp points to 202.238.220.136; ns4.estore.co.jp points to 203.137.192.68.
Mail Servers
The mail server for castjp.com is mail.castjp.com.
Host mail.castjp.com points to IP 64.56.177.67.