jstongsang.com - robtex.com
jstongsang.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.sdsns.com ⭐ | ||||||
| A | 211.115.203.112🇰🇷 HOSTWAY-AS-KR211.115.203.0/24 SejongTelecom.co.ltd | ||||||
| NS | ns2.sdsns.com | ||||||
| A | 211.239.157.110🇰🇷 HOSTWAY-AS-KR211.239.157.0/24 SejongTelecom.co.ltd | ||||||
| MX | mail.jstongsang.com ⭐ | ||||||
| A | 223.130.85.61🇰🇷 DIRECT-AS-KR223.130.85.0/24 | ||||||
| PTR | sp-mu-mh01.mailnara.co.kr | ||||||
| TXT | v=spf1 include:_spf1.mailnara.co.kr include:_spf2.mailnara.co.kr include:_spf... | ||||||
| SOA | ns1.sdsns.comfirechoi@sds.co.kr 2011-10-25 #14 | ||||||
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=1777222776 | ||||||
Subdomains
mail.jstongsang.com |
DNS History
3 records (3 active, 0 former)
●MXmail.jstongsang.com2015-05-22 → 2026-04-26 · 2 obs
● 2026-04-26 17:24:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net... | - |
| jstongsang.com | ns1.sdsns.com, ns2.sdsns.com | 2 records |
✅ Authoritative Response
Server:211.239.157.110
NS records: ns1.sdsns.com, ns2.sdsns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jstongsang.com (unsigned zone)
⏱️ Timing
Total: 533ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.sdsns.com, ns2.sdsns.com |
| MX | 1 | mail.jstongsang.com (pri: 0) |
| TXT | 1 | v=spf1 include:_spf1.mailnara.co.kr incl |
| SOA | 1 | ns1.sdsns.com firechoi.sds.co.kr |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.sdsns.com, ns2.sdsns.com)
Analysis
Hierarchy
jstongsang.com is the parent of mail.jstongsang.com.
Name Servers
jstongsang.com is delegated to two name servers ns1.sdsns.com and ns2.sdsns.com.
jstongsang.com shares the same name server setup as other domains, for instance thenanu.com, dulykorea.com, 69.130.223.in-addr.arpa, grandop.com and navkingdom.co.kr.
jstongsang.com at least partially shares name servers with other domains, for instance bestsea.com, garnetkorea.com, sds.co.kr, la-bruyere.com and cltherapeutics.com.
these name servers are commonly used alongside ns1.direct.co.kr.
Host names with one IP number:
ns1.sdsns.com points to 211.115.203.112
ns2.sdsns.com points to 211.239.157.110
Mail Servers
jstongsang.com is handled by a single mail server, mail.jstongsang.com.
mail.jstongsang.com resolves to IP 223.130.85.61.