jstgroup.com - robtex.com
jstgroup.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.90.231.91🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc. | ||||||
| PTR | sv310.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 | mgp.cybermail.jp ⭐ | ||||||
| A | 133.186.38.32🇯🇵 TOKAI-NETWORK133.186.32.0/20 TOKAI-NET | ||||||
| PTR | mgp.cybermail.jp | ||||||
| TXT | google-site-verification=XuAYeOhTZFP_dHSb5FWyhS8raGn48nmvzk5Z2Zuf7Zg | ||||||
| TXT | MS=ms85342289 | ||||||
| TXT | v=spf1 include:spfcm.cybermail.jp include:spf.protection.outlook.com +a:sv310... | ||||||
| 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=1786821339 | ||||||
Same first word
jstgroup.com |
Similar names
tjsgroup.ca |
gurjotps.com |
jugsport.com |
sjtgroup.com |
jtgroups.com |
jtsgroup.us |
justprog.com |
groupjts.com |
tjsgroup.com |
jtsgroup.nl |
jugsport.net |
gruposjt.com |
jtsgroup.com |
DNS History
13 records (5 active, 8 former)
○NSns-231.dns.jp-e1.cloudn-service.com2016-02-08 → 2018-12-02 · 5 obs
● 2016-02-08 22:23:08
● 2018-12-02 16:33:44
○ 2026-06-20 01:23:02
○ 2026-08-15 19:29:58
○NSns-232.dns.jp-w1.cloudn-service.com2016-02-08 → 2018-12-02 · 5 obs
● 2016-02-08 22:23:08
● 2018-12-02 16:33:44
○ 2026-06-20 01:23:02
○ 2026-08-15 19:29:58
○NSns-233.dns.us-e1.cloudn-service.com2016-02-08 → 2018-12-02 · 5 obs
● 2016-02-08 22:23:08
● 2018-12-02 16:33:44
○ 2026-06-20 01:23:02
○ 2026-08-15 19:29:58
○NSns1.secure.net2015-05-24 → 2015-11-10 · 4 obs
● 2015-11-10 00:12:02
○ 2016-02-08 22:23:08
○ 2026-08-15 19:29:58
●NSns1.xbiz.ne.jp2026-06-20 → 2026-08-15 · 3 obs
● 2026-06-20 01:23:02
● 2026-08-15 19:29:58
○NSns2.secure.net2015-05-24 → 2015-11-10 · 4 obs
● 2015-11-10 00:12:02
○ 2016-02-08 22:23:08
○ 2026-08-15 19:29:58
●NSns2.xbiz.ne.jp2026-06-20 → 2026-08-15 · 3 obs
● 2026-06-20 01:23:02
● 2026-08-15 19:29:58
●NSns3.xbiz.ne.jp2026-06-20 → 2026-08-15 · 3 obs
● 2026-06-20 01:23:02
● 2026-08-15 19:29:58
●MXmgp.cybermail.jp2026-06-20 → 2026-08-15 · 3 obs
● 2026-06-20 01:23:02
● 2026-08-15 19:29:58
○MXvcgw1.ocn.ad.jp2015-05-24 → 2018-12-02 · 4 obs
● 2018-12-02 16:33:44
○ 2026-06-20 01:23:02
○ 2026-08-15 19:29:58
○MXvcgw2.ocn.ad.jp2015-05-24 → 2018-12-02 · 4 obs
● 2018-12-02 16:33:44
○ 2026-06-20 01:23:02
○ 2026-08-15 19:29:58
○A153.149.183.1852015-05-24 → 2018-12-02 · 4 obs
● 2018-12-02 16:33:44
○ 2026-06-20 01:23:02
○ 2026-08-15 19:29:58
●A183.90.231.912026-06-20 → 2026-08-15 · 3 obs
● 2026-06-20 01:23:02
● 2026-08-15 19:29:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| jstgroup.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 jstgroup.com (unsigned zone)
⏱️ Timing
Total: 1136ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.231.91 |
| NS | 3 | ns3.xbiz.ne.jp, ns1.xbiz.ne.jp... |
| MX | 1 | mgp.cybermail.jp (pri: 0) |
| TXT | 3 | google-site-verification=XuAYeOhTZFP_dHS, MS=ms85342289... |
| SOA | 1 | ns1.xbiz.ne.jp root.xbiz.ne.jp |
Analysis
IP Addresses
jstgroup.com directs to one IP number, which is 183.90.231.91.
Among the host names that share IP numbers with jstgroup.com are akb48-lifecard.jp, web-asahi.co.jp, www.arai-s.co.jp and two others.
Name Servers
jstgroup.com has three name servers — ns1.xbiz.ne.jp, ns2.xbiz.ne.jp and ns3.xbiz.ne.jp.
At least some of jstgroup.com's name servers are shared with other domains, for example karaoke-voice.jp, mimanka.net, tashiro-shiho.com and two more.
Each of the three hostnames points to exactly one IP address: ns1.xbiz.ne.jp points to 157.112.182.247, ns2.xbiz.ne.jp points to 35.76.79.244 and ns3.xbiz.ne.jp points to 157.112.191.237.
Mail Servers
jstgroup.com routes its mail through a single mail server, mgp.cybermail.jp.
jstgroup.com has the same mail server arrangement as a number of other domains, for example kenko-foods.jp.net, mdk.co.jp, netbkcard.co.jp and two more.
The mail servers of jstgroup.com overlap at least partially with those of other domains, including yk-akros.com, kyoritsu-kcm.co.jp and noritake.de.
mgp.cybermail.jp points to one IP number — 133.186.38.32.