40study.com - robtex.com
40study.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 167.99.28.202🇸🇬 DIGITALOCEAN167.99.28.0/22 DigitalOcean | ||||||
| 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 | ||||||
| SOA | ns.gabia.co.krhosting@gabia.com 2025-08-15 #18 | ||||||
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=1794618381 | ||||||
Same first word
40study.com |
Similar names
Previous names
Next names
DNS History
9 records (4 active, 5 former)
●NSns.gabia.co.kr2026-10-20 → 2026-11-14 · 3 obs
● 2026-10-20 20:38:38
● 2026-11-14 01:18:48
●NSns.gabia.net2026-10-20 → 2026-11-14 · 3 obs
● 2026-10-20 20:38:38
● 2026-11-14 01:18:48
●NSns1.gabia.co.kr2026-10-20 → 2026-11-14 · 3 obs
● 2026-10-20 20:38:38
● 2026-11-14 01:18:48
○NSns1.whoisdomain.kr2017-09-09 → 2017-09-09 · 3 obs
○ 2026-10-20 20:38:38
○ 2026-11-14 01:18:48
○NSns2.whoisdomain.kr2017-09-09 → 2017-09-09 · 3 obs
○ 2026-10-20 20:38:38
○ 2026-11-14 01:18:48
○NSns3.whoisdomain.kr2017-09-09 → 2017-09-09 · 3 obs
○ 2026-10-20 20:38:38
○ 2026-11-14 01:18:48
○NSns4.whoisdomain.kr2017-09-09 → 2017-09-09 · 3 obs
○ 2026-10-20 20:38:38
○ 2026-11-14 01:18:48
○A116.126.87.242017-09-09 → 2017-09-09 · 3 obs
○ 2026-10-20 20:38:38
○ 2026-11-14 01:18:48
●A167.99.28.2022026-10-20 → 2026-11-14 · 3 obs
● 2026-10-20 20:38:38
● 2026-11-14 01:18:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net... | - |
| 40study.com | ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net | - |
✅ Authoritative Response
Server:121.78.117.39
NS records: ns.gabia.co.kr, ns1.gabia.co.kr, ns.gabia.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 40study.com (unsigned zone)
⏱️ Timing
Total: 1720ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 167.99.28.202 |
| NS | 3 | ns.gabia.co.kr, ns1.gabia.co.kr... |
| SOA | 1 | ns.gabia.co.kr hosting.gabia.com |
Analysis
IP Addresses
40study.com has exactly one IP address — 167.99.28.202.
literatacoreana.com, judahs.site, dabinjung.kr plus two other host names have IP numbers in common with 40study.com.
Name Servers
40study.com carries NS records delegating to ns.gabia.net, ns1.gabia.co.kr and ns.gabia.co.kr.
40study.com partially shares its NS delegation with several other domains, including kodain.kr, delipan.co.kr, hkauction.net and two others.
These name servers often co-occur with the name servers ns1.gabia.net.
Host names pointing to two IP addresses:
ns.gabia.net resolves to two addresses: 121.78.117.39 and 211.234.124.90.
Host names resolving to a single IP address:
The hostname ns1.gabia.co.kr resolves to 20.200.205.248.
The hostname ns.gabia.co.kr resolves to 43.201.170.100.