flutter.okserver.jp - robtex.com
flutter.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 ip4:153.127.71.88 ~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 18:05:24
● 2026-03-28 18:05:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| okserver.jp | ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com... | - |
✅ Authoritative Response
Server:172.64.53.115
NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com, ns4.value-domain.com, ns5.value-domain.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for okserver.jp (unsigned zone)
⏱️ Timing
Total: 2089ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.127.71.88 |
| TXT | 1 | v=spf1 ip4:153.127.71.88 ~all |
Analysis
Mail Server Role
flutter.okserver.jp serves as the mail server for okserver.jp.
okserver.jp, 74-yakuin-schedule.okserver.jp and acty.okserver.jp commonly serve as mail servers alongside flutter.okserver.jp.
IP Addresses
flutter.okserver.jp resolves to a single IP: 153.127.71.88.
Other host names, for instance php56.okserver.jp, stamppjob.okserver.jp, yufucms.okserver.jp, frontmaster.okserver.jp and yakuin-schedule-client.okserver.jp share IP numbers with flutter.okserver.jp.