cpc.okserver.jp - robtex.com
cpc.okserver.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.242.183.59🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | stampp.co.jp | ||||||
| TXT | v=spf1 ip4:cpc.okserver.jp ~all | ||||||
okserver.jp
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A133.242.183.592020-01-12 → 2026-03-28 · 2 obs
● 2020-01-12 19:52:14
● 2026-03-28 06:58:20
● 2026-03-28 06:58:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, a.dns.jp, b.dns.jp... | - |
| okserver.jp | ns3.value-domain.com, ns5.value-domain.com, ns4.value-domain.com, ns1.value-domain.com... | - |
✅ Authoritative Response
Server:172.64.53.115
NS records: ns3.value-domain.com, ns5.value-domain.com, ns4.value-domain.com, ns1.value-domain.com, ns2.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for okserver.jp (unsigned zone)
⏱️ Timing
Total: 1093ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.242.183.59 |
| TXT | 1 | v=spf1 ip4:cpc.okserver.jp ~all |
Analysis
Mail Server Role
cpc.okserver.jp serves as the mail server for okserver.jp.
Commonly, okserver.jp, 74-yakuin-schedule.okserver.jp and acty.okserver.jp serve as mail servers together with cpc.okserver.jp.
IP Addresses
cpc.okserver.jp points to a single IP: 133.242.183.59.
Other host names, for instance iju.okserver.jp, sgacafe.okserver.jp, develop.okserver.jp, demo01.stampp.jp and p2demo01.okserver.jp share IP numbers with cpc.okserver.jp.