knuh.kr - robtex.com
knuh.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 114.206.46.5🇰🇷 SKB-NET114.200.0.0/13 auto-generated route object for 114.200.0.0/13 | ||||||
| NS | ns1.knuh.kr ⭐ | ||||||
| A | 114.206.46.99🇰🇷 SKB-NET114.200.0.0/13 auto-generated route object for 114.200.0.0/13 | ||||||
| NS | ns2.knuh.kr | ||||||
| A | 218.233.13.99🇰🇷 SKB-NET218.232.0.0/15 SK Broadband | ||||||
| MX | spam.knuh.kr ⭐ | ||||||
| A | 114.206.46.3🇰🇷 SKB-NET114.200.0.0/13 auto-generated route object for 114.200.0.0/13 | ||||||
| PTR | spam.knuh.kr | ||||||
| MX | hmail.knuh.kr(10) | ||||||
| A | 114.206.46.2🇰🇷 SKB-NET114.200.0.0/13 auto-generated route object for 114.200.0.0/13 | ||||||
| PTR | hmail.knuh.kr | ||||||
| PTR | hmail.knu.ac.kr | ||||||
| TXT | MS=650BAD536B8F9BF78FE3903BFC19601475E2E119 | ||||||
| TXT | v=spf1 ip4:114.206.46.2 ip4:114.206.46.3 ip4:13.124.111.122 -all | ||||||
| TXT | _globalsign-domain-verification=zFeXDEhomzuVo76BsTL9XdVnz6N-eGAwzkJ8C0OwMR | ||||||
| SOA | ns1.knuh.krroot@ns1.knuh.kr 2026-06-15 #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=2606200807 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.knuh.kr2015-08-08 → 2026-06-20 · 2 obs
● 2026-06-20 17:56:36
●NSns2.knuh.kr2015-08-08 → 2026-06-20 · 2 obs
● 2026-06-20 17:56:36
○NSns3.knuh.kr2015-08-08 → 2017-08-20 · 4 obs
● 2017-08-20 03:47:04
○ 2026-02-19 14:46:12
○ 2026-06-20 17:56:36
●MXhmail.knuh.kr2015-08-08 → 2026-06-20 · 2 obs
● 2026-06-20 17:56:36
●MXspam.knuh.kr2026-02-19 → 2026-06-20 · 3 obs
● 2026-02-19 14:46:12
● 2026-06-20 17:56:36
●A114.206.46.52015-08-08 → 2026-06-20 · 2 obs
● 2026-06-20 17:56:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | f.dns.kr, c.dns.kr, d.dns.kr, b.dns.kr... | - |
| knuh.kr | ns1.knuh.kr, ns2.knuh.kr | 2 records |
✅ Authoritative Response
Server:218.233.13.99
NS records: ns1.knuh.kr, ns2.knuh.kr
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2996ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 114.206.46.5 |
| NS | 2 | ns2.knuh.kr, ns1.knuh.kr |
| MX | 2 | hmail.knuh.kr (pri: 10), spam.knuh.kr (pri: 5) |
| TXT | 3 | v=spf1 ip4:114.206.46.2 ip4:114.206.46.3, MS=650BAD536B8F9BF78FE3903BFC19601475E2E... |
| SOA | 1 | ns1.knuh.kr root.ns1.knuh.kr |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.knuh.kr, ns2.knuh.kr)
Analysis
Hierarchy
www.knuh.kr, hmail.knuh.kr, spam.knuh.kr, ns2.knuh.kr and ns1.knuh.kr are all subdomains of knuh.kr.
IP Addresses
knuh.kr has exactly one IP address — 114.206.46.5.
Additional host names such as knumc.org, www.knuh.kr, www.knumc.org and knuch.kr share IP numbers with knuh.kr.
Name Servers
knuh.kr is served by two delegated name servers, ns1.knuh.kr and ns2.knuh.kr.
The name servers for knuh.kr overlap at least in part with those of other domains, including knuch.kr and knumc.org.
These name servers commonly co-occur with the name servers ns3.knuh.kr, ns1.knumc.org, ns2.knumc.org and ns3.knumc.org.
Both ns1.knuh.kr and ns2.knuh.kr have a single IP address each — ns1.knuh.kr resolves to 114.206.46.99 while ns2.knuh.kr resolves to 218.233.13.99.
Mail Servers
knuh.kr uses two mail servers, hmail.knuh.kr and spam.knuh.kr.
There is at least a partial overlap in mail servers between knuh.kr and other domains like hmail.knuh.kr, spam.knuh.kr and hmail.knu.ac.kr.
Both hmail.knuh.kr and spam.knuh.kr have a single IP address each — hmail.knuh.kr resolves to 114.206.46.2 while spam.knuh.kr resolves to 114.206.46.3.