uman.kr - robtex.com
uman.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.254.171.116🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| PTR | web116.koreafree.co.kr | ||||||
| NS | ns1.koreafree.co.kr ⭐ | ||||||
| A | 121.254.171.112🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| NS | ns1.whoiskorea.co.kr | ||||||
| A | 121.254.171.111🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| MX | mail.uman.kr ⭐ | ||||||
| A | 121.254.171.116🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| PTR | web116.koreafree.co.kr | ||||||
| TXT | v=spf1 ip4:121.254.171.116 ~all | ||||||
| SOA | ns1.koreafree.co.krwebmaster@koreafree.co.kr 2010-03-24 #16 | ||||||
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=2606150504 | ||||||
Subdomains
mail.uman.kr |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.koreafree.co.kr2015-06-18 → 2026-06-14 · 2 obs
● 2026-06-14 21:13:20
●NSns1.whoiskorea.co.kr2015-06-18 → 2026-06-14 · 2 obs
● 2026-06-14 21:13:20
●MXmail.uman.kr2015-06-18 → 2026-06-14 · 2 obs
● 2026-06-14 21:13:20
●A121.254.171.1162015-06-18 → 2026-06-14 · 2 obs
● 2026-06-14 21:13:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | - |
| uman.kr | ns1.koreafree.co.kr, ns1.whoiskorea.co.kr | - |
✅ Authoritative Response
Server:121.254.171.111
NS records: ns1.koreafree.co.kr, ns1.whoiskorea.co.kr
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at uman.kr: Error: DNS query timeout: 210.101.60.1 for DS uman.kr
⏱️ Timing
Total: 4658ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.254.171.116 |
| NS | 2 | ns1.whoiskorea.co.kr, ns1.koreafree.co.kr |
| MX | 1 | mail.uman.kr (pri: 10) |
| TXT | 1 | v=spf1 ip4:121.254.171.116 ~all |
| SOA | 1 | ns1.koreafree.co.kr webmaster.koreafree. |
Analysis
Hierarchy
uman.kr is a parent domain of mail.uman.kr.
IP Addresses
uman.kr resolves to one IP address: 121.254.171.116.
www.medwin.kr, hanjivil.com, mail.comhi.biz and two other host names share IP numbers with uman.kr.
Name Servers
Two name servers handle the delegation for uman.kr: ns1.koreafree.co.kr and ns1.whoiskorea.co.kr.
uman.kr uses the same name servers as several other domains — among them cleanpc.co.kr, yuhakcenter.com, kitf.co.kr and two more.
uman.kr shares at least some of its name servers with other domains, including youngonebreaker.com, xn--hz2b29nmwo.com, joeuncable.com and two others.
These name servers are frequently seen alongside the name servers ns2.whoiskorea.co.kr.
ns1.koreafree.co.kr and ns1.whoiskorea.co.kr each resolve to one IP number: ns1.koreafree.co.kr points to 121.254.171.112 and ns1.whoiskorea.co.kr points to 121.254.171.111.
Mail Servers
Mail for uman.kr is handled by a single mail server, mail.uman.kr.
mail.uman.kr carries a single IP number, which is 121.254.171.116.