4bschool.com - robtex.com
4bschool.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.43.203.16🇰🇷 DACOM-NET211.43.192.0/19 PACNET (proxy-registered route object) | ||||||
| NS | ns1.gabia.co.kr ⭐ | ||||||
| A | 20.200.205.248🇰🇷 Microsoft20.192.0.0/10 | ||||||
| PTR | ip-20-200-205-248.defastlink.net | ||||||
| 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 ip4:211.43.203.16 ~all | ||||||
| SOA | ns.gabia.co.krhosting@gabia.com 2019-04-01 #16 | ||||||
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=1771291435 | ||||||
Same first word
4bschool.com |
Similar names
DNS History
9 records (4 active, 5 former)
●NSns.gabia.co.kr2026-03-21 → 2026-03-21 · 3 obs
● 2026-03-21 07:06:08
● 2026-03-21 07:06:12
●NSns.gabia.net2026-03-21 → 2026-03-21 · 3 obs
● 2026-03-21 07:06:08
● 2026-03-21 07:06:12
●NSns1.gabia.co.kr2026-03-21 → 2026-03-21 · 3 obs
● 2026-03-21 07:06:08
● 2026-03-21 07:06:12
○NSns4.blueweb.co.kr2015-06-29 → 2017-02-16 · 4 obs
● 2017-02-16 22:17:28
○ 2026-03-21 07:06:08
○ 2026-03-21 07:06:12
○NSns5.blueweb.co.kr2015-06-29 → 2017-02-16 · 4 obs
● 2017-02-16 22:17:28
○ 2026-03-21 07:06:08
○ 2026-03-21 07:06:12
○MXmail.blueweb.co.kr2015-06-29 → 2017-02-16 · 4 obs
● 2017-02-16 22:17:28
○ 2026-03-21 07:06:08
○ 2026-03-21 07:06:12
○MXspamgw.blueweb.co.kr2015-06-29 → 2017-02-16 · 4 obs
● 2017-02-16 22:17:28
○ 2026-03-21 07:06:08
○ 2026-03-21 07:06:12
○A211.202.2.1212015-06-29 → 2017-02-16 · 4 obs
● 2017-02-16 22:17:28
○ 2026-03-21 07:06:08
○ 2026-03-21 07:06:12
●A211.43.203.162026-03-21 → 2026-03-21 · 3 obs
● 2026-03-21 07:06:08
● 2026-03-21 07:06:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| 4bschool.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 4bschool.com (unsigned zone)
⏱️ Timing
Total: 4294ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.43.203.16 |
| NS | 3 | ns.gabia.co.kr, ns1.gabia.co.kr... |
| TXT | 1 | v=spf1 ip4:211.43.203.16 ~all |
| SOA | 1 | ns.gabia.co.kr hosting.gabia.com |
Analysis
IP Addresses
4bschool.com resolves to a single IP: 211.43.203.16.
Other host names, for instance dcs.kr, atod.kr, wbmail.kr, towerchai.com and softionics.com share IP numbers with 4bschool.com.
Name Servers
4bschool.com delegates to three name servers: ns.gabia.net, ns1.gabia.co.kr and ns.gabia.co.kr.
4bschool.com shares some name servers with other domains, for example yeosusi.com, imypool.kr, inseq.co.kr, peacemarket.net and opticis.com.
These name servers are commonly used with the name servers ns1.gabia.net.
Host names with two IP numbers: ns.gabia.net points to 121.78.117.39 and 211.234.124.90.
Host names with one IP number: ns1.gabia.co.kr points to 20.200.205.248 and ns.gabia.co.kr points to 43.201.170.100.