dstudy.com - robtex.com
dstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.78.197.12🇰🇷 GABIA-AS-KR121.78.197.0/24 GABIA | ||||||
| PTR | firstp-indie197-12.firstmall.kr | ||||||
| NS | ns1.gabia.co.kr ⭐ | ||||||
| A | 20.200.205.248🇰🇷 Microsoft20.192.0.0/10 | ||||||
| NS | ns.gabia.co.kr | ||||||
| A | 43.201.170.100🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| PTR | ec2-43-201-170-100.ap-northeast-2.compute.amazonaws.com | ||||||
| NS | ns.gabia.net | ||||||
| A | 121.78.117.39🇰🇷 GABIA-AS-KR121.78.117.0/24 Transit customer route announce | ||||||
| PTR | ns1.gabia.co.kr | ||||||
| A | 211.234.124.90🇰🇷 DACOM-NET211.234.0.0/17 contact jblee@aunet.nm.kr if necessary contact ojupark@aunet.nm.kr if necessary | ||||||
| TXT | v=spf1 ip4:121.254.168.210 ip4:121.254.168.203 ip4:121.254.168.204 ip4:121.25... | ||||||
| SOA | ns.gabia.co.krhosting@gabia.com 2016-06-20 #15 | ||||||
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=1791389414 | ||||||
Previously MX for
dstudy.com |
Same first word
Similar names
Previous names
Next names
dstudyadvisors.com |
dstudybuddy.com |
dstudyo.com |
dstudyz.com |
dstudzmusic.com |
dstuf.com |
dstuff.com |
dstuhd.com |
dstui.com |
dstuido.com |
dstuifa.com |
dstuig.com |
dstuih.com |
dstuike.com |
dstuinen.com |
dstuishou.com |
dstuk.com |
DNS History
9 records (4 active, 5 former)
○NSns.acecart.net2015-07-02 → 2016-06-28 · 6 obs
● 2015-11-13 11:59:32
○ 2016-02-09 19:01:22
● 2016-06-28 20:33:02
○ 2017-03-24 15:46:16
○ 2026-10-07 16:34:10
○NSns.dstudy.com2015-07-02 → 2016-06-28 · 4 obs
● 2016-06-28 20:33:02
○ 2017-03-24 15:46:16
○ 2026-10-07 16:34:10
●NSns.gabia.co.kr2017-03-24 → 2026-10-07 · 3 obs
● 2017-03-24 15:46:16
● 2026-10-07 16:34:10
●NSns.gabia.net2017-03-24 → 2026-10-07 · 3 obs
● 2017-03-24 15:46:16
● 2026-10-07 16:34:10
○NSns1.comonet.net2015-07-02 → 2016-02-09 · 5 obs
○ 2015-11-13 11:59:32
● 2016-02-09 19:01:22
○ 2016-06-28 20:33:02
○ 2026-10-07 16:34:10
●NSns1.gabia.co.kr2017-03-24 → 2026-10-07 · 3 obs
● 2017-03-24 15:46:16
● 2026-10-07 16:34:10
○MXdstudy.com2015-07-02 → 2016-06-28 · 4 obs
● 2016-06-28 20:33:02
○ 2017-03-24 15:46:16
○ 2026-10-07 16:34:10
○A121.254.173.1632015-07-02 → 2016-02-09 · 4 obs
● 2016-02-09 19:01:22
○ 2016-06-28 20:33:02
○ 2026-10-07 16:34:10
●A121.78.197.122016-06-28 → 2026-10-07 · 3 obs
● 2016-06-28 20:33:02
● 2026-10-07 16:34:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net... | - |
| dstudy.com | ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net | - |
✅ Authoritative Response
Server:43.201.170.100
NS records: ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dstudy.com (unsigned zone)
⏱️ Timing
Total: 3051ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.78.197.12 |
| NS | 3 | ns.gabia.co.kr, ns1.gabia.co.kr... |
| TXT | 1 | v=spf1 ip4:121.254.168.210 ip4:121.254.1 |
| SOA | 1 | ns.gabia.co.kr hosting.gabia.com |
Analysis
IP Addresses
dstudy.com points to a single IP number: 121.78.197.12.
The host names firstp-indie197-12.firstmall.kr, nbwood.co.kr, capeyo.com and greenride.co.kr all share IP numbers with dstudy.com.
Name Servers
DNS for dstudy.com is handled by three authoritative name servers: ns.gabia.net, ns1.gabia.co.kr and ns.gabia.co.kr.
There is at least partial name server overlap between dstudy.com and other domains — smv.kr, orca-db.co.kr, samepage.co.kr and two more among them.
These name servers frequently co-occur with the name servers idcns.gabia.net and ns1.gabia.net.
Host names with two IP numbers:
ns.gabia.net has two IP addresses: 121.78.117.39 and 211.234.124.90.
Host names pointing to a single IP address:
ns1.gabia.co.kr directs to 20.200.205.248.
ns.gabia.co.kr directs to 43.201.170.100.