test01.okserver.jp - robtex.com
test01.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:test01.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 19:52:10
● 2026-03-28 21:50:36
● 2026-03-28 21:50:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| okserver.jp | ns2.value-domain.com, ns3.value-domain.com, ns1.value-domain.com, ns5.value-domain.com... | - |
✅ Authoritative Response
Server:172.64.53.3
NS records: ns2.value-domain.com, ns3.value-domain.com, ns1.value-domain.com, ns5.value-domain.com, ns4.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for okserver.jp (unsigned zone)
⏱️ Timing
Total: 1465ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.242.183.59 |
| TXT | 1 | v=spf1 ip4:test01.okserver.jp ~all |
Analysis
Mail Server Role
test01.okserver.jp handles mail for okserver.jp.
okserver.jp, 74-yakuin-schedule.okserver.jp and acty.okserver.jp are commonly used mail servers together with test01.okserver.jp.
IP Addresses
test01.okserver.jp points to a single IP address: 133.242.183.59.
Other host names such as youshinkai.okserver.jp, develop2.okserver.jp, izumi-kitchen.okserver.jp, japamaga.okserver.jp and rokoko.okserver.jp share IPs with test01.okserver.jp.