smcd.kr - robtex.com
smcd.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.highm.kr ⚠️ Not in zone NS records | ||||||
| A | 221.139.49.17🇰🇷 SKB-NET221.138.0.0/15 SK Broadband | ||||||
| NS | ns2.highm.kr ⚠️ Not in zone NS records | ||||||
| A | 121.125.73.38🇰🇷 SKB-NET121.125.0.0/16 SK Broadband | ||||||
| MX | mail.smcd.kr ⭐ | ||||||
| A | 221.139.49.4🇰🇷 SKB-NET221.138.0.0/15 SK Broadband | ||||||
| TXT | v=spf1 ip4:221.139.49.3 ip4:221.139.49.4 ~all | ||||||
| SOA | ns1.nurihosting.comsupport@nurihosting.com 2023-01-26 #1 | ||||||
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=2608100757 | ||||||
Subdomains
Same first word
smcd.de |
smcd.cn |
smcd.kr |
smcd.us |
smcd.org |
smcd.k12.ca.us |
smcd.net |
smcd.info |
smcd.me |
smcd.com.au |
smcd.ru |
smcd.com |
Similar names
DNS History
9 records (5 active, 4 former)
●NSns1.highm.kr2026-02-15 → 2026-08-10 · 3 obs
● 2026-02-15 03:10:36
● 2026-08-10 06:12:50
●NSns1.nurihosting.com2026-02-15 → 2026-08-10 · 3 obs
● 2026-02-15 03:10:36
● 2026-08-10 06:12:50
○NSns11.dnstool.net2018-05-08 → 2018-05-08 · 3 obs
○ 2026-02-15 03:10:36
○ 2026-08-10 06:12:50
●NSns2.highm.kr2026-02-15 → 2026-08-10 · 3 obs
● 2026-02-15 03:10:36
● 2026-08-10 06:12:50
○MXalt.aspmx.daum.net2018-05-08 → 2018-05-08 · 3 obs
○ 2026-02-15 03:10:36
○ 2026-08-10 06:12:50
○MXaspmx.daum.net2018-05-08 → 2018-05-08 · 3 obs
○ 2026-02-15 03:10:36
○ 2026-08-10 06:12:50
●MXmail.smcd.kr2026-02-15 → 2026-08-10 · 3 obs
● 2026-02-15 03:10:36
● 2026-08-10 06:12:50
●A221.139.49.42026-02-15 → 2026-08-10 · 3 obs
● 2026-02-15 03:10:36
● 2026-08-10 06:12:50
○A221.143.21.1472018-05-08 → 2018-05-08 · 3 obs
○ 2026-02-15 03:10:36
○ 2026-08-10 06:12:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | c.dns.kr, b.dns.kr, e.dns.kr, f.dns.kr... | - |
| smcd.kr | ns1.highm.kr, ns2.highm.kr | 2 records |
✅ Authoritative Response
Server:221.139.49.17
NS records: ns1.highm.kr, ns2.highm.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smcd.kr (unsigned zone)
⏱️ Timing
Total: 1371ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 221.139.49.4 |
| MX | 1 | mail.smcd.kr (pri: 10) |
| TXT | 1 | v=spf1 ip4:221.139.49.3 ip4:221.139.49. |
| SOA | 1 | ns1.nurihosting.com support.nurihosting. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.highm.kr, ns1.highm.kr)
Analysis
Hierarchy
smcd.kr serves as the parent of www.smcd.kr and mail.smcd.kr.
IP Addresses
smcd.kr has exactly one IP address — 221.139.49.4.
mail.plusv.net, hakmun.co.kr, euhomepage.co.kr plus two other host names have IP numbers in common with smcd.kr.
Name Servers
smcd.kr carries NS records delegating to ns1.nurihosting.com, ns1.highm.kr and ns2.highm.kr.
smcd.kr shares at least some of its name servers with other domains, including ggy.co.kr, jungsoo.co.kr, qtrainer.co.kr and two others.
These name servers are frequently seen alongside ns2.nurihosting.com, ns1.aramschool.co.kr, ns1.thechakan.kr and 7 other name servers.
ns1.nurihosting.com points to 211.215.17.210; ns1.highm.kr points to 221.139.49.17; ns2.highm.kr points to 121.125.73.38 — each hostname maps to exactly one IP address.
Mail Servers
smcd.kr uses one mail server — mail.smcd.kr.
mail.smcd.kr carries a single IP number, which is 221.139.49.4.