jhyn.kr - robtex.com
jhyn.kr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.247.26.2🇰🇷 SMILESERV-AS-KR49.247.0.0/17 Proxy-Registered Route Object by LGUPLUS(AS3786) | ||||||
| NS | ns.jhyn.kr ⭐ ⚠️ Not in parent delegation | ||||||
| A | 49.247.26.2🇰🇷 SMILESERV-AS-KR49.247.0.0/17 Proxy-Registered Route Object by LGUPLUS(AS3786) | ||||||
| NS | ns.my-book.kr ⚠️ Not in zone NS records | ||||||
| A | 49.247.26.2🇰🇷 SMILESERV-AS-KR49.247.0.0/17 Proxy-Registered Route Object by LGUPLUS(AS3786) | ||||||
| NS | ns1.my-book.kr ⚠️ Not in zone NS records | ||||||
| A | 49.247.26.2🇰🇷 SMILESERV-AS-KR49.247.0.0/17 Proxy-Registered Route Object by LGUPLUS(AS3786) | ||||||
| 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 include:spf.hiworks.co.kr ~all | ||||||
| SOA | ns.jhyn.krroot@jhyn.kr serial=0 | ||||||
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=2603311026 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns.jhyn.kr2026-03-24 → 2026-03-31 · 2 obs
● 2026-03-31 17:59:44
●NSns.my-book.kr2026-03-24 → 2026-03-31 · 2 obs
● 2026-03-31 17:59:44
●NSns1.my-book.kr2026-03-24 → 2026-03-31 · 2 obs
● 2026-03-31 17:59:44
●MXmailapp.hiworks.co.kr2026-03-24 → 2026-03-31 · 2 obs
● 2026-03-31 17:59:44
●A49.247.26.22026-03-24 → 2026-03-31 · 2 obs
● 2026-03-31 17:59:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kr | b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr... | - |
| jhyn.kr | ns1.my-book.kr, ns.my-book.kr | 2 records |
✅ Authoritative Response
Server:49.247.26.2
NS records: ns1.my-book.kr, ns.my-book.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jhyn.kr (unsigned zone)
⏱️ Timing
Total: 1099ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.247.26.2 |
| NS | 1 | ns.jhyn.kr |
| MX | 1 | mailapp.hiworks.co.kr (pri: 10) |
| TXT | 1 | v=spf1 include:spf.hiworks.co.kr ~all |
| SOA | 1 | ns.jhyn.kr root.jhyn.kr |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.my-book.kr, ns.my-book.kr)
Analysis
IP Addresses
jhyn.kr points to IP number 49.247.26.2.
Other host names include jmtech.net, ns1.my-book.kr, ns.jmtech.net and ns.my-book.kr that share IP numbers with jhyn.kr.
Name Servers
The delegation for jhyn.kr is handled by three name servers: ns.jhyn.kr, ns1.my-book.kr and ns.my-book.kr.
jhyn.kr shares name servers with other domains at least partially, for example jmtech.net.
Host names with one IP number:
ns.jhyn.kr points to: 49.247.26.2
ns1.my-book.kr points to: 49.247.26.2
ns.my-book.kr points to: 49.247.26.2
Host names that point to 49.247.26.2: ns.jhyn.kr, ns1.my-book.kr and ns.my-book.kr
Mail Servers
jhyn.kr is handled by a single mail server, mailapp.hiworks.co.kr.
jhyn.kr shares the same mail server setup as other domains, for instance swbolt.co.kr, liveto.com, tokkyo.co.kr, hnncorp.com and i-tork.com.
jhyn.kr shares some mail servers with other domains, at least partially; examples include soosungair.com, kyungchang.com and webtour.com.
Host name mailapp.hiworks.co.kr points to three IP numbers: 45.120.71.59, 121.254.168.55 and 211.47.76.59.