econ101.jp - robtex.com
econ101.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.231.105🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv324.xbiz.ne.jp | ||||||
| NS | ns1.xbiz.ne.jp ⭐ | ||||||
| A | 157.112.182.247🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc. | ||||||
| PTR | ns1.xbiz.ne.jp | ||||||
| NS | ns2.xbiz.ne.jp | ||||||
| A | 35.76.79.244🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix | ||||||
| PTR | ns2.xbiz.ne.jp | ||||||
| NS | ns3.xbiz.ne.jp | ||||||
| A | 157.112.191.237🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc. | ||||||
| PTR | ns3.xbiz.ne.jp | ||||||
| MX | econ101.jp ⭐ | ||||||
| A | 183.90.231.105🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv324.xbiz.ne.jp | ||||||
| TXT | v=spf1 +a:sv324.xbiz.ne.jp +a:econ101.jp +mx include:spf.sender.xserver.jp in... | ||||||
| SOA | ns1.xbiz.ne.jproot@xbiz.ne.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=1774606502 | ||||||
MX for
econ101.jp |
Same first word
DNS History
11 records (5 active, 6 former)
●NSns1.xbiz.ne.jp2026-02-14 → 2026-03-27 · 3 obs
● 2026-02-14 21:25:38
● 2026-03-27 10:39:02
○NSns1.xserver.jp2015-06-23 → 2016-12-05 · 4 obs
● 2016-12-05 18:42:46
○ 2026-02-14 21:25:38
○ 2026-03-27 10:39:02
●NSns2.xbiz.ne.jp2026-02-14 → 2026-03-27 · 3 obs
● 2026-02-14 21:25:38
● 2026-03-27 10:39:02
○NSns2.xserver.jp2015-06-23 → 2016-12-05 · 4 obs
● 2016-12-05 18:42:46
○ 2026-02-14 21:25:38
○ 2026-03-27 10:39:02
●NSns3.xbiz.ne.jp2026-02-14 → 2026-03-27 · 3 obs
● 2026-02-14 21:25:38
● 2026-03-27 10:39:02
○NSns3.xserver.jp2015-06-23 → 2016-12-05 · 4 obs
● 2016-12-05 18:42:46
○ 2026-02-14 21:25:38
○ 2026-03-27 10:39:02
○NSns4.xserver.jp2015-06-23 → 2016-12-05 · 4 obs
● 2016-12-05 18:42:46
○ 2026-02-14 21:25:38
○ 2026-03-27 10:39:02
○NSns5.xserver.jp2015-06-23 → 2016-12-05 · 4 obs
● 2016-12-05 18:42:46
○ 2026-02-14 21:25:38
○ 2026-03-27 10:39:02
●MXecon101.jp2015-06-23 → 2026-03-27 · 2 obs
● 2026-03-27 10:39:02
○A120.136.14.352015-06-23 → 2016-12-05 · 4 obs
● 2016-12-05 18:42:46
○ 2026-02-14 21:25:38
○ 2026-03-27 10:39:02
●A183.90.231.1052026-02-14 → 2026-03-27 · 3 obs
● 2026-02-14 21:25:38
● 2026-03-27 10:39:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| econ101.jp | ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp | 3 records |
✅ Authoritative Response
Server:157.112.191.237
NS records: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for econ101.jp (unsigned zone)
⏱️ Timing
Total: 972ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.231.105 |
| NS | 3 | ns2.xbiz.ne.jp, ns3.xbiz.ne.jp... |
| MX | 1 | econ101.jp (pri: 0) |
| TXT | 1 | v=spf1 +a:sv324.xbiz.ne.jp +a:econ101.jp |
| SOA | 1 | ns1.xbiz.ne.jp root.xbiz.ne.jp |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp)
Analysis
Mail Server Role
econ101.jp serves as the mail server for econ101.jp.
IP Addresses
econ101.jp points to IP number 183.90.231.105.
For instance, other host names www.prettychapel.com, takkengoukaku.tv, mail.takkengoukaku.tv, matsuno(0x73686974)a.com and prettychapel.com share IP numbers with econ101.jp.
Name Servers
The delegation for econ101.jp is handled by three name servers: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp and ns3.xbiz.ne.jp.
econ101.jp shares name servers with other domains at least partially, for example luxidea.net, truckmate.jp, thisisgallery.com, soundproof.jp and doshida2020.com.
Host names with a single IP address: ns1.xbiz.ne.jp points to 157.112.182.247; ns2.xbiz.ne.jp points to 35.76.79.244; ns3.xbiz.ne.jp points to 157.112.191.237.
Mail Servers
econ101.jp is handled by a single mail server, econ101.jp.
econ101.jp points to a single IP: 183.90.231.105.