eduration.co.kr - robtex.com
eduration.co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.171.100.69🇺🇸 Amazon3.171.100.0/22 | ||||||
| PTR | server-3-171-100-69.iad12.r.cloudfront.net | ||||||
| A | 3.171.100.95🇺🇸 Amazon3.171.100.0/22 | ||||||
| A | 3.171.100.125🇺🇸 Amazon3.171.100.0/22 | ||||||
| A | 3.171.100.128🇺🇸 Amazon3.171.100.0/22 | ||||||
| NS | bns1.hostcocoa.com ⭐ | ||||||
| A | 205.251.192.254🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-254.awsdns-31.com | ||||||
| NS | bns2.hostcocoa.com | ||||||
| A | 205.251.194.231🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-743.awsdns-28.net | ||||||
| NS | bns3.hostcocoa.com | ||||||
| A | 205.251.196.209🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1233.awsdns-26.org | ||||||
| NS | bns4.hostcocoa.com | ||||||
| A | 205.251.198.107🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1643.awsdns-13.co.uk | ||||||
| MX | spam.eduration.co.kr ⭐ | ||||||
| A | 61.100.7.35🇰🇷 HOSTWAY-AS-KR61.100.7.0/24 SejongTelecom.co.ltd | ||||||
| PTR | spam5.enage.com | ||||||
| PTR | spam.kocelec.com | ||||||
| SOA | bns1.hostcocoa.comawsdns-hostmaster@amazon.com serial=1 | ||||||
co.kr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| 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=2602170541 | ||||||
Same first word
Similar names
DNS History
9 records (9 active, 0 former)
●NSbns1.hostcocoa.com2026-03-06 → 2026-03-06 · 2 obs
● 2026-03-06 11:37:02
●NSbns2.hostcocoa.com2026-03-06 → 2026-03-06 · 2 obs
● 2026-03-06 11:37:02
●NSbns3.hostcocoa.com2026-03-06 → 2026-03-06 · 2 obs
● 2026-03-06 11:37:02
●NSbns4.hostcocoa.com2026-03-06 → 2026-03-06 · 2 obs
● 2026-03-06 11:37:02
●MXspam.eduration.co.kr2026-03-06 → 2026-03-06 · 2 obs
● 2026-03-06 11:37:02
●A3.171.100.1252026-03-06 → 2026-03-06 · 2 obs
● 2026-03-06 11:37:02
●A3.171.100.1282026-03-06 → 2026-03-06 · 2 obs
● 2026-03-06 11:37:02
●A3.171.100.692026-03-06 → 2026-03-06 · 2 obs
● 2026-03-06 11:37:02
●A3.171.100.952026-03-06 → 2026-03-06 · 2 obs
● 2026-03-06 11:37:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | 10 records |
| eduration.co.kr | bns4.hostcocoa.com, bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com | - |
✅ Authoritative Response
Server: 205.251.192.254
NS records: bns4.hostcocoa.com, bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for eduration.co.kr (unsigned zone)
⏱️ Timing
Total: 2722ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 3.171.100.125, 3.171.100.95... |
| NS | 4 | bns1.hostcocoa.com, bns2.hostcocoa.com... |
| MX | 1 | spam.eduration.co.kr (pri: 5) |
| SOA | 1 | bns1.hostcocoa.com awsdns-hostmaster.ama |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (b.dns.kr, c.dns.kr, d.dns.kr...)
Analysis
IP Addresses
eduration.co.kr refers to four IP numbers: 3.171.100.69, 3.171.100.95, 3.171.100.125 and 3.171.100.128.
Other host names, for instance precheck.compeon.de, snaponpromotion.com, elix.sr, bullethq.com and dcreteshop.com share IP numbers with eduration.co.kr.
Name Servers
eduration.co.kr delegates to four name servers: bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com and bns4.hostcocoa.com.
eduration.co.kr at least partially shares name servers with other domains, including caffeineguitar.com, thec.co.kr, namjeon.co.kr, 111prs.com and cynthiacom.com.
Host names with one IP number:
bns1.hostcocoa.com points to 205.251.192.254; bns2.hostcocoa.com points to 205.251.194.231; bns3.hostcocoa.com points to 205.251.196.209; bns4.hostcocoa.com points to 205.251.198.107.
Mail Servers
A single mail server handles eduration.co.kr, spam.eduration.co.kr.
Host name spam.eduration.co.kr resolves to a single IP: 61.100.7.35.