sbma.kr - robtex.com

sbma.kr

DNSSEC⚠️ Not signed
A221.139.49.4🇰🇷 SKB-NET221.138.0.0/15 SK Broadband
NSns1.nurihosting.com ⭐
A211.215.17.210🇰🇷 SKB-NET211.212.0.0/14 SK Broadband
NSns1.web2020.co.kr ⚠️ Not in zone NS records
A221.139.49.17🇰🇷 SKB-NET221.138.0.0/15 SK Broadband
NSns2.web2020.co.kr ⚠️ Not in zone NS records
A121.125.73.38🇰🇷 SKB-NET121.125.0.0/16 SK Broadband
MXmail.sbma.kr ⭐
A221.139.49.4🇰🇷 SKB-NET221.138.0.0/15 SK Broadband
TXTv=spf1 ip4:221.139.49.3 ip4:221.139.49.4 ip4:221.139.49.15 ~all
SOAns1.nurihosting.comsupport@nurihosting.com 2023-01-26 #1

kr

DNSSEC🔒 Signed (DS record present)
NSg.dns.kr ⭐
NSb.dns.kr
NSc.dns.kr
NSd.dns.kr
NSe.dns.kr
NSf.dns.kr
SOAg.dns.krdomain-manager@nic.or.kr serial=2606120507

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DNS History

5 records (5 active, 0 former)

NSns1.nurihosting.comns1.web2020.co.krns2.web2020.co.krMXmail.sbma.krA221.139.49.4
●NSns1.nurihosting.com2026-06-11 → 2026-06-11 · 2 obs
● 2026-06-11 21:18:12
● 2026-06-11 21:18:16
●NSns1.web2020.co.kr2026-06-11 → 2026-06-11 · 2 obs
● 2026-06-11 21:18:12
● 2026-06-11 21:18:16
●NSns2.web2020.co.kr2026-06-11 → 2026-06-11 · 2 obs
● 2026-06-11 21:18:12
● 2026-06-11 21:18:16
●MXmail.sbma.kr2026-06-11 → 2026-06-11 · 2 obs
● 2026-06-11 21:18:12
● 2026-06-11 21:18:16
●A221.139.49.42026-06-11 → 2026-06-11 · 2 obs
● 2026-06-11 21:18:12
● 2026-06-11 21:18:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
krb.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...-
sbma.krns2.web2020.co.kr, ns1.web2020.co.kr-

✅ Authoritative Response

Server:121.125.73.38

NS records: ns2.web2020.co.kr, ns1.web2020.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sbma.kr (unsigned zone)

⏱️ Timing

Total: 3030ms | Queries: -

📄 Records

TypeCountSample Data
A1221.139.49.4
MX1mail.sbma.kr (pri: 10)
TXT1v=spf1 ip4:221.139.49.3 ip4:221.139.49.4
SOA1ns1.nurihosting.com support.nurihosting.

Analysis

IP Addresses

sbma.kr has exactly one IP address — 221.139.49.4.

j3c.co.kr, wjem.co.kr, jajh.or.kr plus two other host names have IP numbers in common with sbma.kr.

Name Servers

Three name servers are authoritative for sbma.kr: ns1.nurihosting.com, ns1.web2020.co.kr and ns2.web2020.co.kr.

There is at least partial name server overlap between sbma.kr and other domains — ksart.co.kr, 19mart.net, jieum.net and two more among them.

These name servers regularly appear alongside ns2.nurihosting.com, ns1.aramschool.co.kr, ns2.aramschool.co.kr and 7 other name servers in NS record sets.

Three hostnames, one IP address apiece: ns1.nurihosting.com resolves to 211.215.17.210, ns1.web2020.co.kr resolves to 221.139.49.17 and ns2.web2020.co.kr resolves to 121.125.73.38.

Mail Servers

sbma.kr uses one mail server — mail.sbma.kr.

There is one IP number for mail.sbma.kr: 221.139.49.4.