gdc21.com - robtex.com
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gdc21.com
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=1770918430 | ||||||
Same first word
gdc21.com |
Similar names
DNS History
10 records (10 active, 0 former)
●NScns1.hostcocoa.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 23:10:24
●NScns2.hostcocoa.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 23:10:24
●NScns3.hostcocoa.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 23:10:24
●NScns4.hostcocoa.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 23:10:24
●MXmx01.mailplug.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 23:10:24
●MXmx02.mailplug.com2026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 23:10:24
●A18.67.76.102026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 23:10:24
●A18.67.76.192026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 23:10:24
●A18.67.76.852026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 23:10:24
●A18.67.76.982026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 23:10:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| gdc21.com | cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com, cns4.hostcocoa.com | 4 records |
✅ Authoritative Response
Server: 205.251.193.7
NS records: cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com, cns4.hostcocoa.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gdc21.com (unsigned zone)
⏱️ Timing
Total: 209ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 18.67.76.19, 18.67.76.10... |
| NS | 4 | cns1.hostcocoa.com, cns2.hostcocoa.com... |
| MX | 2 | mx01.mailplug.com (pri: 10), mx02.mailplug.com (pri: 20) |
| TXT | 1 | v=spf1 mx include:mailplug.com ~all |
| SOA | 1 | cns1.hostcocoa.com awsdns-hostmaster.ama |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com...)
AI analysis
gdc21.com resolves to four IPs: 18.67.76.10, 18.67.76.19, 18.67.76.85 and 18.67.76.98.
Other host names, for instance cdn.bulksignature.com, smesgroup.com, sat-tutor.com, app01.hit-parking-info.com and cdn.c-notes.jp share IP numbers with gdc21.com.
gdc21.com is delegated to four name servers: cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com and cns4.hostcocoa.com.
gdc21.com shares some name servers with other domains, for example paint8282.com, mama-nonmama.co.kr, wshmc.co.kr, bsdrmetal.com and kafound.or.kr.
Host names with a single IP
cns1.hostcocoa.com resolves to 205.251.196.138
cns2.hostcocoa.com resolves to 205.251.194.81
cns3.hostcocoa.com resolves to 205.251.193.7
cns4.hostcocoa.com resolves to 205.251.199.181
gdc21.com is served by two mail servers: mx01.mailplug.com and mx02.mailplug.com.
gdc21.com shares the mail server setup with other domains, for example gincns.com, surgident.co.kr, aquapick.com, ktnews.com and ksmold.com.
gdc21.com shares some mail servers with other domains, at least partially, for instance people-luck.com, rangchoo.co.kr and sico.co.kr.
Host names with six IP numbers:
mx01.mailplug.com points to 121.156.118.202, 121.156.118.204, 121.156.118.213, 121.156.118.220, 121.156.118.223 and 121.156.118.248.
Host names with two IP numbers:
mx02.mailplug.com points to 223.26.214.9 and 223.26.214.10.