istudyinc.com - robtex.com
istudyinc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 101.99.86.123🇲🇾 SHINJIRU-MY-AS-AP101.99.86.0/24 Shinjiru Technology Sdn Bhd 19-2, Wisma Laxton, Jln Desa, Tmn Desa, Jln Klang Lama, | ||||||
| PTR | slx.istudyinc.com | ||||||
| NS | ns27.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2171::e🇺🇸 GODADDY-DNS2603:5:2170::/44 | ||||||
| PTR | ns27.domaincontrol.com | ||||||
| A | 97.74.103.14🇺🇸 GODADDY-DNS97.74.102.0/23 | ||||||
| PTR | ns27.domaincontrol.com | ||||||
| NS | ns28.domaincontrol.com | ||||||
| A | 2603:5:2271::e🇺🇸 GODADDY-DNS2603:5:2270::/44 | ||||||
| PTR | ns28.domaincontrol.com | ||||||
| A | 173.201.71.14🇺🇸 GODADDY-DNS173.201.70.0/23 | ||||||
| PTR | ns28.domaincontrol.com | ||||||
| MX | mail.istudyinc.com ⭐ | ||||||
| A | 101.99.86.123🇲🇾 SHINJIRU-MY-AS-AP101.99.86.0/24 Shinjiru Technology Sdn Bhd 19-2, Wisma Laxton, Jln Desa, Tmn Desa, Jln Klang Lama, | ||||||
| PTR | slx.istudyinc.com | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | ns27.domaincontrol.comdns@jomax.net 2026-04-20 #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=1778356751 | ||||||
Subdomains
Same first word
istudyinc.com |
DNS History
11 records (4 active, 7 former)
●NSns27.domaincontrol.com2017-04-05 → 2026-05-09 · 3 obs
● 2017-04-05 00:25:34
● 2026-05-09 20:28:02
●NSns28.domaincontrol.com2017-04-05 → 2026-05-09 · 3 obs
● 2017-04-05 00:25:34
● 2026-05-09 20:28:02
○NSns57.1and1.com2015-08-04 → 2015-08-04 · 4 obs
● 2015-08-04 18:23:06
○ 2016-07-11 13:09:06
○ 2026-05-09 20:28:02
○NSns58.1and1.com2015-08-04 → 2015-08-04 · 4 obs
● 2015-08-04 18:23:06
○ 2016-07-11 13:09:06
○ 2026-05-09 20:28:02
○MXcentos7a.istudyinc.com2017-04-05 → 2017-04-05 · 4 obs
● 2017-04-05 00:25:34
○ 2026-02-24 01:48:42
○ 2026-05-09 20:28:02
●MXmail.istudyinc.com2026-02-24 → 2026-05-09 · 3 obs
● 2026-02-24 01:48:42
● 2026-05-09 20:28:02
○MXmx00.1and1.com2015-08-04 → 2015-08-04 · 4 obs
● 2015-08-04 18:23:06
○ 2016-07-11 13:09:06
○ 2026-05-09 20:28:02
○MXmx01.1and1.com2015-08-04 → 2015-08-04 · 4 obs
● 2015-08-04 18:23:06
○ 2016-07-11 13:09:06
○ 2026-05-09 20:28:02
●A101.99.86.1232026-02-24 → 2026-05-09 · 3 obs
● 2026-02-24 01:48:42
● 2026-05-09 20:28:02
○A103.6.196.1252017-04-05 → 2017-04-05 · 4 obs
● 2017-04-05 00:25:34
○ 2026-02-24 01:48:42
○ 2026-05-09 20:28:02
○A199.47.241.272015-08-04 → 2015-08-04 · 4 obs
● 2015-08-04 18:23:06
○ 2016-07-11 13:09:06
○ 2026-05-09 20:28:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net... | - |
| istudyinc.com | ns27.domaincontrol.com, ns28.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.103.14
NS records: ns27.domaincontrol.com, ns28.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for istudyinc.com (unsigned zone)
⏱️ Timing
Total: 294ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 101.99.86.123 |
| NS | 2 | ns27.domaincontrol.com, ns28.domaincontrol.com |
| MX | 2 | mail.istudyinc.com (pri: 0), mail.istudyinc.com (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | ns27.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns27.domaincontrol.com, ns27.domaincontrol.com, ns28.domaincontrol.com...)
Analysis
Hierarchy
istudyinc.com has children centos7a.istudyinc.com, mail.istudyinc.com and slx.istudyinc.com.
IP Addresses
istudyinc.com resolves to a single IP: 101.99.86.123.
Other host names including mail.istudyinc.com, slx.istudyinc.com and fruitslike.com share IP numbers with istudyinc.com.
Name Servers
istudyinc.com has two name servers: ns27.domaincontrol.com and ns28.domaincontrol.com.
istudyinc.com shares the same name server setup as other domains, for example hinduheritageschool.org, jefferson.memorial, naturalcbdoil.com, knowhomeschool.com and profoundjs.net.
Host names with two IP numbers:
ns27.domaincontrol.com points to: 2603:5:2171::e and 97.74.103.14; ns28.domaincontrol.com points to: 2603:5:2271::e and 173.201.71.14.
Mail Servers
istudyinc.com is handled by a single mail server, mail.istudyinc.com.
Host name mail.istudyinc.com points to IP 101.99.86.123.