jyfn.com - robtex.com
jyfn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 211.119.134.197🇰🇷 DACOM-NET211.119.0.0/16 | ||||||
| PTR | infacelecs.com | ||||||
| PTR | yujin-rail.com | ||||||
| PTR | chungsanknit.kr | ||||||
| PTR | intech21.net | ||||||
| PTR | ftp.yujin-rail.com | ||||||
| PTR | telnet.yujin-rail.com | ||||||
| PTR | infacelecs.co.kr | ||||||
| PTR | ycrope.co.kr | ||||||
| PTR | ysq.co.kr | ||||||
| PTR | yujinltd.co.kr | ||||||
| PTR | www.shinwooeng.co.kr | ||||||
| PTR | www.ysq.co.kr | ||||||
| NS | ns.sme.or.kr ⭐ | ||||||
| A | 211.119.134.198🇰🇷 DACOM-NET211.119.0.0/16 | ||||||
| NS | sns.sme.or.kr | ||||||
| A | 211.119.134.168🇰🇷 DACOM-NET211.119.0.0/16 | ||||||
| MX | mailapp.hiworks.co.kr ⭐ | ||||||
| A | 45.120.71.59🇰🇷 DACOM-NET45.120.71.0/24 | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| A | 121.254.168.55🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| A | 211.47.76.59🇰🇷 DACOM-NET211.47.76.0/24 proxy for HANARO TELECOM route | ||||||
| PTR | mailapp.hiworks.co.kr | ||||||
| TXT | v=spf1 ip4:121.254.168.210 ip4:121.254.168.203 ip4:121.254.168.204 ip4:121.25... | ||||||
| SOA | ns.sme.or.krdnsadmin@smipc.or.kr serial=1786439401 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786515279 | ||||||
Same first word
jyfn.com |
Similar names
DNS History
5 records (4 active, 1 former)
○MXmail.gobizmail.com2008-03-14 → 2008-03-14 · 3 obs
○ 2015-07-03 05:12:52
○ 2026-08-12 06:20:12
●MXmailapp.hiworks.co.kr2015-07-03 → 2026-08-12 · 3 obs
● 2015-07-03 05:12:52
● 2026-08-12 06:20:12
●A211.119.134.1972008-03-14 → 2026-08-12 · 2 obs
● 2026-08-12 06:20:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| jyfn.com | ns.sme.or.kr, sns.sme.or.kr | - |
✅ Authoritative Response
Server:211.119.134.198
NS records: ns.sme.or.kr, sns.sme.or.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jyfn.com (unsigned zone)
⏱️ Timing
Total: 1092ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 211.119.134.197 |
| NS | 2 | ns.sme.or.kr, sns.sme.or.kr |
| MX | 1 | mailapp.hiworks.co.kr (pri: 10) |
| TXT | 1 | v=spf1 ip4:121.254.168.210 ip4:121.254.1 |
| SOA | 1 | ns.sme.or.kr dnsadmin.smipc.or.kr |
Analysis
IP Addresses
jyfn.com resolves to just one IP address, 211.119.134.197.
Two other host names, along with elechem.co.kr, sunam.koreasme.com and nask.co.kr, also share IP numbers with jyfn.com.
Name Servers
DNS delegation for jyfn.com points to two name servers: ns.sme.or.kr and sns.sme.or.kr.
jyfn.com shares its NS records with other domains, for example comdesk.co.kr, jekiss.com, iraesoft.com and two others.
The name servers of jyfn.com overlap at least partially with those of other domains — among them gobizkorea.com, daehosand.co.kr, yunchang.co.kr and two more.
The name servers ns.smipc.or.kr, sns.smipc.or.kr, ns2.lguplus.com and two others are commonly seen in use alongside these name servers.
Both ns.sme.or.kr and sns.sme.or.kr have a single IP address each — ns.sme.or.kr resolves to 211.119.134.198 while sns.sme.or.kr resolves to 211.119.134.168.
Mail Servers
The sole mail server for jyfn.com is mailapp.hiworks.co.kr.
Among the domains sharing a mail server setup with jyfn.com are wmproject.co.kr, corecom.co.kr, 0211planning.com and two others.
The mail servers for jyfn.com overlap at least partially with those of other domains, including donorscamp.org and 07e.kr.
mailapp.hiworks.co.kr has three IP addresses: 45.120.71.59, 121.254.168.55 and 211.47.76.59.