osports.kr - robtex.com
osports.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 221.139.49.7🇰🇷 SKB-NET221.138.0.0/15 SK Broadband | ||||||
| NS | ns1.aramschool.co.kr ⭐ | ||||||
| NS | ns1.web79.kr ⚠️ Not in zone NS records | ||||||
| A | 221.139.49.17🇰🇷 SKB-NET221.138.0.0/15 SK Broadband | ||||||
| NS | ns2.web79.kr ⚠️ Not in zone NS records | ||||||
| A | 121.125.73.38🇰🇷 SKB-NET121.125.0.0/16 SK Broadband | ||||||
| MX | mail.osports.kr ⭐ | ||||||
| A | 221.139.49.7🇰🇷 SKB-NET221.138.0.0/15 SK Broadband | ||||||
| TXT | v=spf1 include:_spf.aramschool.co.kr ~all | ||||||
| SOA | ns1.aramschool.co.krsupport@aramschool.co.kr 2025-12-03 #15 | ||||||
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=2608041062 | ||||||
Subdomains
mail.osports.kr |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns1.aramschool.co.kr2026-06-07 → 2026-08-04 · 3 obs
● 2026-06-07 00:37:42
● 2026-08-04 18:31:38
○NSns1.nurihosting.com2018-08-30 → 2018-08-30 · 3 obs
○ 2026-06-07 00:37:42
○ 2026-08-04 18:31:38
●NSns1.web79.kr2026-06-07 → 2026-08-04 · 3 obs
● 2026-06-07 00:37:42
● 2026-08-04 18:31:38
○NSns2.nurihosting.com2018-08-30 → 2018-08-30 · 3 obs
○ 2026-06-07 00:37:42
○ 2026-08-04 18:31:38
●NSns2.web79.kr2026-06-07 → 2026-08-04 · 3 obs
● 2026-06-07 00:37:42
● 2026-08-04 18:31:38
●MXmail.osports.kr2018-08-30 → 2026-08-04 · 2 obs
● 2026-08-04 18:31:38
●A221.139.49.72026-06-07 → 2026-08-04 · 3 obs
● 2026-06-07 00:37:42
● 2026-08-04 18:31:38
○A221.139.49.82018-08-30 → 2018-08-30 · 3 obs
○ 2026-06-07 00:37:42
○ 2026-08-04 18:31:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | c.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr... | - |
| osports.kr | ns1.web79.kr, ns2.web79.kr | 2 records |
✅ Authoritative Response
Server:221.139.49.17
NS records: ns1.web79.kr, ns2.web79.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for osports.kr (unsigned zone)
⏱️ Timing
Total: 988ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 221.139.49.7 |
| MX | 1 | mail.osports.kr (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.aramschool.co.kr ~al |
| SOA | 1 | ns1.aramschool.co.kr support.aramschool. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.web79.kr, ns1.web79.kr)
Analysis
Hierarchy
osports.kr is the parent zone for mail.osports.kr.
IP Addresses
osports.kr resolves to just one IP address, 221.139.49.7.
Two other host names, along with mail.skydoctor.co.kr, mds-s.co.kr and applego.pe.kr, also share IP numbers with osports.kr.
Name Servers
osports.kr is delegated to three name servers: ns1.web79.kr, ns2.web79.kr and ns1.aramschool.co.kr.
osports.kr partially shares its NS delegation with several other domains, including vegancert.co.kr, hkiplay.co.kr, free-web.kr and two others.
In DNS configurations, these name servers often share authority with ns1.nurihosting.com, ns2.aramschool.co.kr, ns1.srcmall.co.kr and 7 other name servers.
ns1.web79.kr resolves to 221.139.49.17. ns2.web79.kr resolves to 121.125.73.38. Both host names point to a single IP number.
Mail Servers
The sole mail server for osports.kr is mail.osports.kr.
mail.osports.kr resolves to a single IP number: 221.139.49.7.