st74.okserver.jp - robtex.com
st74.okserver.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.127.71.88🇯🇵 SAKURA-A153.127.0.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | ik1-433-48834.vs.sakura.ne.jp | ||||||
| TXT | v=spf1 ip4:st74.okserver.jp ~all | ||||||
okserver.jp
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A153.127.71.882026-02-15 → 2026-03-28 · 2 obs
● 2026-02-15 17:29:34
● 2026-03-28 09:03:06
● 2026-03-28 09:03:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| okserver.jp | ns3.value-domain.com, ns4.value-domain.com, ns2.value-domain.com, ns1.value-domain.com... | - |
✅ Authoritative Response
Server:172.64.53.3
NS records: ns3.value-domain.com, ns4.value-domain.com, ns2.value-domain.com, ns1.value-domain.com, ns5.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for okserver.jp (unsigned zone)
⏱️ Timing
Total: 1121ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.127.71.88 |
| TXT | 1 | v=spf1 ip4:st74.okserver.jp ~all |
Analysis
Mail Server Role
The mail server for okserver.jp is st74.okserver.jp.
okserver.jp, 74-yakuin-schedule.okserver.jp and acty.okserver.jp are commonly used as mail servers together with st74.okserver.jp.
IP Addresses
st74.okserver.jp points to a single IP number: 153.127.71.88.
Other host names, for instance frontmaster.okserver.jp, yakuin-schedule-client.okserver.jp, flutter.okserver.jp, carenettc.okserver.jp and nanjo-sm.okserver.jp share IP numbers with st74.okserver.jp.