chumdan21.com - robtex.com
chumdan21.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.sdsns.com ⭐ | ||||||
| NS | ns2.sdsns.com | ||||||
| MX | mail.chumdan21.com ⭐ | ||||||
| TXT | v=spf1 include:_spf1.mailnara.co.kr include:_spf2.mailnara.co.kr include:_spf... | ||||||
| SOA | ns1.sdsns.comfirechoi@sds.co.kr 2016-08-10 #16 | ||||||
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=1778782471 | ||||||
Subdomains
mail.chumdan21.com |
Same first word
chumdan21.com |
DNS History
3 records (3 active, 0 former)
●MXmail.chumdan21.com2016-09-17 → 2026-05-14 · 2 obs
● 2016-09-17 07:06:38
● 2026-05-14 18:32:52
● 2026-05-14 18:32:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net... | - |
| chumdan21.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 chumdan21.com (unsigned zone)
⏱️ Timing
Total: 1228ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.sdsns.com, ns1.sdsns.com |
| MX | 1 | mail.chumdan21.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
chumdan21.com is the parent of mail.chumdan21.com.
Name Servers
chumdan21.com's delegation uses two name servers, ns1.sdsns.com and ns2.sdsns.com.
Mail Servers
chumdan21.com is handled by a single mail server, mail.chumdan21.com.