firsttutor.co.kr - robtex.com
firsttutor.co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.47.74.47🇰🇷 DACOM-NET211.47.74.0/24 proxy for HANARO TELECOM route | ||||||
| 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 2023-01-25 #9 | ||||||
co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| NS | g.dns.kr ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | c.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | d.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | e.dns.kr ⚠️ Not in parent delegation | ||||||
| NS | f.dns.kr ⚠️ Not in parent delegation | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2603250845 | ||||||
Same first word
firsttutor.co.kr |
Similar names
DNS History
7 records (4 active, 3 former)
●NSns.gabia.co.kr2018-05-10 → 2026-03-25 · 2 obs
● 2026-03-25 08:38:42
○NSns.gabia.co.kr.firsttutor.co.kr2018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-17 09:07:58
○ 2026-03-25 08:38:42
●NSns1.gabia.co.kr2018-05-10 → 2026-03-25 · 2 obs
● 2026-03-25 08:38:42
○MXmailapp.hiworks.co.kr2018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-17 09:07:58
○ 2026-03-25 08:38:42
○A211.43.203.522018-05-10 → 2018-05-10 · 3 obs
○ 2026-02-17 09:07:58
○ 2026-03-25 08:38:42
●A211.47.74.472026-02-17 → 2026-03-25 · 3 obs
● 2026-02-17 09:07:58
● 2026-03-25 08:38:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | d.dns.kr, g.dns.kr, f.dns.kr, c.dns.kr... | - |
| firsttutor.co.kr | ns.gabia.co.kr, ns.gabia.net, ns1.gabia.co.kr | 2 records |
✅ Authoritative Response
Server:43.201.170.100
NS records: ns.gabia.co.kr, ns.gabia.net, ns1.gabia.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firsttutor.co.kr (unsigned zone)
⏱️ Timing
Total: 1485ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.47.74.47 |
| NS | 3 | ns.gabia.co.kr, ns1.gabia.co.kr... |
| SOA | 1 | ns.gabia.co.kr hosting.gabia.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.gabia.co.kr, ns.gabia.co.kr)
Analysis
IP Addresses
firsttutor.co.kr points to a single IP number: 211.47.74.47.
Other host names, for instance exsoft.co.kr, www.vitcom.co.kr, familylawcenter.co.kr, limban.co.kr and kmsda.org share IP numbers with firsttutor.co.kr.
Name Servers
The delegation for firsttutor.co.kr is handled by three name servers: ns.gabia.net, ns1.gabia.co.kr and ns.gabia.co.kr.
firsttutor.co.kr at least partially shares name servers with other domains, for instance sroa.co.kr, statphys25.org, catalyzeresearch.com, bannersesang.co.kr and sangsin.com.
These name servers are commonly used with ns1.gabia.net and idcns.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.
ns.gabia.co.kr points to 43.201.170.100.