studyflex.kr - robtex.com
studyflex.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 76.76.21.21Amazon76.76.21.0/24 | ||||||
| NS | ns1.gabia.co.kr ⭐ | ||||||
| A | 20.200.205.248Microsoft20.192.0.0/10 | ||||||
| NS | ns.gabia.co.kr | ||||||
| A | 43.201.170.100Amazon43.200.0.0/14 EC2 ICN Prefix | ||||||
| NS | ns.gabia.net | ||||||
| A | 121.78.117.39 | ||||||
| A | 211.234.124.90 | ||||||
| MX | kr1-aspmx1.worksmobile.com ⭐ | ||||||
| MX | kr1-aspmx2.worksmobile.com(20) | ||||||
| SOA | ns.gabia.co.krhosting@gabia.com 2026-10-02 #2 | ||||||
kr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | g.dns.kr ⭐ | ||||||
| NS | b.dns.kr | ||||||
| NS | c.dns.kr | ||||||
| NS | d.dns.kr | ||||||
| NS | e.dns.kr | ||||||
| NS | f.dns.kr | ||||||
| SOA | g.dns.krdomain-manager@nic.or.kr serial=2611060774 | ||||||
Same first word
studyflex.io |
studyflex.com |
studyflex.co.uk |
studyflex.vercel.app |
studyflex.kr |
studyflex.xyz |
studyflex.de |
studyflex.co.kr |
Similar names
DNS History
6 records (6 active, 0 former)
●NSns.gabia.co.kr2026-10-01 → 2026-11-06 · 2 obs
● 2026-11-06 06:58:22
●NSns1.gabia.co.kr2026-10-01 → 2026-11-06 · 2 obs
● 2026-11-06 06:58:22
●MXkr1-aspmx1.worksmobile.com2026-10-01 → 2026-11-06 · 2 obs
● 2026-11-06 06:58:22
●MXkr1-aspmx2.worksmobile.com2026-10-01 → 2026-11-06 · 2 obs
● 2026-11-06 06:58:22
●A76.76.21.212026-10-01 → 2026-11-06 · 2 obs
● 2026-11-06 06:58:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | f.dns.kr, d.dns.kr, c.dns.kr, b.dns.kr... | - |
| studyflex.kr | ns1.gabia.co.kr, ns.gabia.net, ns.gabia.co.kr | - |
✅ Authoritative Response
Server:20.200.205.248
NS records: ns1.gabia.co.kr, ns.gabia.net, ns.gabia.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 1426ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 3 | ns.gabia.co.kr, ns1.gabia.co.kr... |
| MX | 2 | kr1-aspmx1.worksmobile.com (pri: 10), kr1-aspmx2.worksmobile.com (pri: 20) |
| SOA | 1 | ns.gabia.co.kr hosting.gabia.com |
Analysis
IP Addresses
studyflex.kr points to a single IP number: 76.76.21.21.
Name Servers
studyflex.kr is served by three name servers: ns.gabia.net, ns1.gabia.co.kr and ns.gabia.co.kr.
Host names with two IP numbers:
The A records for ns.gabia.net return 121.78.117.39 and 211.234.124.90.
Host names pointing to a single IP address:
ns1.gabia.co.kr resolves to the IP address 20.200.205.248.
ns.gabia.co.kr resolves to the IP address 43.201.170.100.
Mail Servers
studyflex.kr has two mail servers: kr1-aspmx1.worksmobile.com and kr1-aspmx2.worksmobile.com.