sharp7.co.kr - robtex.com
sharp7.co.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 221.139.49.4🇰🇷 SKB-NET221.138.0.0/15 SK Broadband | ||||||
| NS | ns1.nurihosting.com ⭐ | ||||||
| A | 211.215.17.210🇰🇷 SKB-NET211.212.0.0/14 SK Broadband | ||||||
| NS | ns1.aramschool.co.kr ⚠️ Not in zone NS records | ||||||
| A | 221.139.49.17🇰🇷 SKB-NET221.138.0.0/15 SK Broadband | ||||||
| NS | ns2.aramschool.co.kr ⚠️ Not in zone NS records | ||||||
| A | 121.125.73.38🇰🇷 SKB-NET121.125.0.0/16 SK Broadband | ||||||
| MX | mail.sharp7.co.kr ⭐ | ||||||
| A | 121.125.73.58🇰🇷 SKB-NET121.125.0.0/16 SK Broadband | ||||||
| TXT | v=spf1 spf.naver.com ip4:218.237.67.247 ip4:121.125.73.53 ip4:218.237.67.249 ... | ||||||
| SOA | ns1.nurihosting.comsupport@nurihosting.com 2023-01-26 #1 | ||||||
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=2603220661 | ||||||
Subdomains
Same first word
DNS History
8 records (5 active, 3 former)
●NSns1.aramschool.co.kr2026-02-17 → 2026-03-22 · 3 obs
● 2026-02-17 15:20:46
● 2026-03-22 22:31:38
●NSns1.nurihosting.com2017-01-05 → 2026-03-22 · 2 obs
● 2026-03-22 22:31:38
●NSns2.aramschool.co.kr2026-02-17 → 2026-03-22 · 3 obs
● 2026-02-17 15:20:46
● 2026-03-22 22:31:38
○NSns2.nurihosting.com2017-01-05 → 2017-12-03 · 4 obs
● 2017-12-03 01:48:18
○ 2026-02-17 15:20:46
○ 2026-03-22 22:31:38
●MXmail.sharp7.co.kr2017-01-05 → 2026-03-22 · 2 obs
● 2026-03-22 22:31:38
○A121.125.73.192017-01-05 → 2017-01-05 · 3 obs
○ 2017-12-03 01:48:18
○ 2026-03-22 22:31:38
○A121.125.73.622017-12-03 → 2017-12-03 · 4 obs
● 2017-12-03 01:48:18
○ 2026-02-17 15:20:46
○ 2026-03-22 22:31:38
●A221.139.49.42026-02-17 → 2026-03-22 · 3 obs
● 2026-02-17 15:20:46
● 2026-03-22 22:31:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | g.dns.kr, b.dns.kr, e.dns.kr, c.dns.kr... | - |
| sharp7.co.kr | ns1.aramschool.co.kr, ns2.aramschool.co.kr | 2 records |
✅ Authoritative Response
Server: 121.125.73.38
NS records: ns1.aramschool.co.kr, ns2.aramschool.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sharp7.co.kr (unsigned zone)
⏱️ Timing
Total: 1056ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 221.139.49.4 |
| MX | 1 | mail.sharp7.co.kr (pri: 10) |
| TXT | 1 | v=spf1 spf.naver.com ip4:218.237.67.247 |
| SOA | 1 | ns1.nurihosting.com support.nurihosting. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.aramschool.co.kr, ns1.aramschool.co.kr)
Analysis
Hierarchy
sharp7.co.kr is the parent of ns2.sharp7.co.kr and ns1.sharp7.co.kr.
IP Addresses
sharp7.co.kr points to an IP address: 221.139.49.4.
other host names include pccservcom.co.kr, spahill.co.kr, kcmcgroup.com, mail.goldbankgold.com and mail.okct.kr; they share IP numbers with sharp7.co.kr.
Name Servers
sharp7.co.kr is delegated to three name servers ns1.nurihosting.com, ns1.aramschool.co.kr and ns2.aramschool.co.kr.
sharp7.co.kr at least partially shares name servers with other domains, for instance diosoft.kr, icarusx.com, acculab.co.kr, ongjin8255.com and barotk.com.
these name servers are commonly used with ns2.nurihosting.com, ns1.bver.co.kr, ns2.bver.co.kr, ns1.ehompy.co.kr, ns2.ehompy.co.kr, ns1.thechakan.kr, ns2.thechakan.kr, ns1.ad-media.kr, ns2.ad-media.kr and ns1.web-store.kr.
Host names with one IP:
ns1.nurihosting.com points to 211.215.17.210; ns1.aramschool.co.kr points to 221.139.49.17; ns2.aramschool.co.kr points to 121.125.73.38.
Mail Servers
sharp7.co.kr is handled by a single mail server, mail.sharp7.co.kr.
The host name mail.sharp7.co.kr points to IP 121.125.73.58.