openmind.jp - robtex.com
openmind.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.226.37.9🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | sv56.xserver.jp | ||||||
| NS | ns1.xserver.jp ⭐ | ||||||
| A | 202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| A | 202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| A | 202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns1.xserver.jp | ||||||
| NS | ns2.xserver.jp | ||||||
| A | 35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix | ||||||
| PTR | ns2.xserver.jp | ||||||
| NS | ns3.xserver.jp | ||||||
| A | 202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns3.xserver.jp | ||||||
| NS | ns4.xserver.jp | ||||||
| A | 183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| A | 183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| A | 202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns4.xserver.jp | ||||||
| NS | ns5.xserver.jp | ||||||
| A | 157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| A | 157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| A | 202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc. | ||||||
| PTR | ns5.xserver.jp | ||||||
| TXT | v=spf1 +a:sv56.xserver.jp +a:openmind.jp +mx include:spf.sender.xserver.jp ~all | ||||||
| SOA | ns1.xserver.jproot@xserver.jp serial=0 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1785448803 | ||||||
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
○NSdns0.heteml.jp2015-06-08 → 2016-11-23 · 4 obs
● 2016-11-23 16:50:04
○ 2026-06-10 23:57:54
○ 2026-07-30 22:18:26
○NSdns1.heteml.jp2015-06-08 → 2016-11-23 · 4 obs
● 2016-11-23 16:50:04
○ 2026-06-10 23:57:54
○ 2026-07-30 22:18:26
●NSns1.xserver.jp2026-06-10 → 2026-07-30 · 3 obs
● 2026-06-10 23:57:54
● 2026-07-30 22:18:26
●NSns2.xserver.jp2026-06-10 → 2026-07-30 · 3 obs
● 2026-06-10 23:57:54
● 2026-07-30 22:18:26
●NSns3.xserver.jp2026-06-10 → 2026-07-30 · 3 obs
● 2026-06-10 23:57:54
● 2026-07-30 22:18:26
●NSns4.xserver.jp2026-06-10 → 2026-07-30 · 3 obs
● 2026-06-10 23:57:54
● 2026-07-30 22:18:26
●NSns5.xserver.jp2026-06-10 → 2026-07-30 · 3 obs
● 2026-06-10 23:57:54
● 2026-07-30 22:18:26
○MXmail42.heteml.jp2015-06-08 → 2016-11-23 · 4 obs
● 2016-11-23 16:50:04
○ 2026-06-10 23:57:54
○ 2026-07-30 22:18:26
○A157.7.188.2152015-10-25 → 2017-06-01 · 5 obs
● 2015-10-25 01:31:42
● 2017-06-01 19:57:32
○ 2026-06-10 23:57:54
○ 2026-07-30 22:18:26
○A182.48.26.352015-06-08 → 2015-06-08 · 3 obs
○ 2015-10-25 01:31:42
○ 2026-07-30 22:18:26
●A202.226.37.92026-06-10 → 2026-07-30 · 3 obs
● 2026-06-10 23:57:54
● 2026-07-30 22:18:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| openmind.jp | ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp... | 11 records |
✅ Authoritative Response
Server:183.90.224.230
NS records: ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openmind.jp (unsigned zone)
⏱️ Timing
Total: 1804ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.226.37.9 |
| NS | 5 | ns5.xserver.jp, ns4.xserver.jp... |
| TXT | 1 | v=spf1 +a:sv56.xserver.jp +a:openmind.jp |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
📌 Glue Records Collected
Total: 11
Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)
Analysis
IP Addresses
openmind.jp points to a single IP number: 202.226.37.9.
Additional host names — sasmango.com, reyla.com, wickerpad.com and two others — share IP numbers with openmind.jp.
Name Servers
Delegation for openmind.jp is to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
openmind.jp has at least partial name server overlap with other domains, such as cotyle.net, yoshinokasei.co.jp, nissenkyou.or.jp and two others.
It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.
Host names with three IP numbers:
ns1.xserver.jp has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.
ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.
ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names pointing to a single IP address:
ns2.xserver.jp directs to 35.72.43.26.
ns3.xserver.jp directs to 202.226.36.247.