educationdo.com - robtex.com
educationdo.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.231.149🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv368.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 | educationdo.com ⭐ | ||||||
| A | 183.90.231.149🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv368.xbiz.ne.jp | ||||||
| TXT | v=spf1 +a:sv368.xbiz.ne.jp +a:educationdo.com include:spf.sender.xserver.jp i... | ||||||
| SOA | ns1.xbiz.ne.jproot@xbiz.ne.jp serial=0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778551891 | ||||||
MX for
educationdo.com |
Subdomains
www.educationdo.com |
Same first word
educationdo.com |
DNS History
10 records (5 active, 5 former)
●NSns1.xbiz.ne.jp2026-04-01 → 2026-05-12 · 3 obs
● 2026-04-01 20:11:56
● 2026-05-12 02:15:20
●NSns2.xbiz.ne.jp2026-04-01 → 2026-05-12 · 3 obs
● 2026-04-01 20:11:56
● 2026-05-12 02:15:20
○NSns3.dotzup.com2008-03-10 → 2008-03-10 · 3 obs
○ 2015-10-30 09:32:54
○ 2026-05-12 02:15:20
●NSns3.xbiz.ne.jp2026-04-01 → 2026-05-12 · 3 obs
● 2026-04-01 20:11:56
● 2026-05-12 02:15:20
○NSns4.dotzup.com2008-03-10 → 2008-03-10 · 3 obs
○ 2015-10-30 09:32:54
○ 2026-05-12 02:15:20
○NSns5.dotzup.com2008-03-10 → 2008-03-10 · 3 obs
○ 2015-10-30 09:32:54
○ 2026-05-12 02:15:20
○NSns6.dotzup.com2008-03-10 → 2008-03-10 · 3 obs
○ 2015-10-30 09:32:54
○ 2026-05-12 02:15:20
●MXeducationdo.com2026-04-01 → 2026-05-12 · 2 obs
● 2026-05-12 02:15:20
●A183.90.231.1492026-04-01 → 2026-05-12 · 3 obs
● 2026-04-01 20:11:56
● 2026-05-12 02:15:20
○A216.57.210.2002008-03-10 → 2008-03-10 · 3 obs
○ 2015-10-30 09:32:54
○ 2026-05-12 02:15:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| educationdo.com | ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp | - |
✅ Authoritative Response
Server:157.112.182.247
NS records: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp, ns3.xbiz.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for educationdo.com (unsigned zone)
⏱️ Timing
Total: 2931ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.231.149 |
| NS | 3 | ns2.xbiz.ne.jp, ns1.xbiz.ne.jp... |
| MX | 1 | educationdo.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv368.xbiz.ne.jp +a:educationd |
| SOA | 1 | ns1.xbiz.ne.jp root.xbiz.ne.jp |
Analysis
Hierarchy
educationdo.com is the parent of www.educationdo.com.
Mail Server Role
educationdo.com serves as the mail server for educationdo.com.
IP Addresses
educationdo.com points to IP number 183.90.231.149.
For instance, other host names ssplanet.co.jp, toyo-mm.co.jp, nagasakizaimokuten.co.jp, www.toyo-mm.co.jp and genova.co.jp share IP numbers with educationdo.com.
Name Servers
The delegation for educationdo.com is handled by three name servers: ns1.xbiz.ne.jp, ns2.xbiz.ne.jp and ns3.xbiz.ne.jp.
educationdo.com shares name servers with other domains at least partially, for example therentalstribute.jp, j-muses.com, archisite.co.jp, lallgroup.com and dreamcreate.net.
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
educationdo.com is handled by a single mail server, educationdo.com.
educationdo.com points to a single IP: 183.90.231.149.