ist-mail.com - robtex.com
ist-mail.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.ist-mail.com ⭐ | ||||||
| A | 223.130.85.52🇰🇷 DIRECT-AS-KR223.130.85.0/24 | ||||||
| PTR | sp-di-mh02.direct.co.kr | ||||||
| TXT | v=spf1 ip4:223.130.85.0/24 ~ all | ||||||
| SOA | ns1.sdsns.comfirechoi@sds.co.kr 2013-01-29 #11 | ||||||
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=1774604242 | ||||||
Subdomains
mail.ist-mail.com |
Same first word
ist-mail.com |
Similar names
DNS History
3 records (3 active, 0 former)
●MXmail.ist-mail.com2015-05-20 → 2026-03-27 · 2 obs
● 2026-03-27 09:50:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net... | - |
| ist-mail.com | ns1.sdsns.com, ns2.sdsns.com | 2 records |
✅ Authoritative Response
Server:211.115.203.112
NS records: ns1.sdsns.com, ns2.sdsns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ist-mail.com (unsigned zone)
⏱️ Timing
Total: 668ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.sdsns.com, ns1.sdsns.com |
| MX | 1 | mail.ist-mail.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:223.130.85.0/24 ~ all |
| 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
ist-mail.com is the parent of mail.ist-mail.com.
Name Servers
ist-mail.com is delegated to two name servers ns1.sdsns.com and ns2.sdsns.com.
ist-mail.com shares the same name server setup as other domains, for instance setra.co.kr, snfinc.net, nanumsem.kr, ecocab-na.com and bantimall.co.kr.
ist-mail.com at least partially shares name servers with other domains, for instance jinnyglobal.com, winenter.com, bstec.net, atnetit.co.kr and valex.co.kr.
These name servers are commonly used with ns1.direct.co.kr, ns3.direct.co.kr and ns4.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
ist-mail.com is handled by a single mail server, mail.ist-mail.com.
mail.ist-mail.com resolves to IP 223.130.85.52.