corecns.com - dns.ninja
corecns.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:df7:ce00:22::3:0🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited | ||||||
| A | 103.56.163.10🇻🇳 VNPT-AS-VN103.56.160.0/22 INETSOFT-VN | ||||||
| A | 103.166.183.10🇻🇳 VNPT-AS-VN103.166.182.0/23 ZOZO-VN | ||||||
| A | 103.216.118.10🇻🇳 VNPT-AS-VN103.216.116.0/22 INETSOFT-VN | ||||||
| NS | catba.vclouddns.com ⭐ | ||||||
| A | 103.216.118.6🇻🇳 VNPT-AS-VN103.216.116.0/22 INETSOFT-VN | ||||||
| NS | haiphong.vclouddns.com | ||||||
| A | 103.72.97.79🇻🇳 INETSOFT-AS-VN103.72.96.0/22 INETSOFT-VN | ||||||
| MX | mail.weptan.com ⭐ | ||||||
| A | 5.104.86.44🇯🇵 CONTABO-ASIA5.104.84.0/22 CONTABO | ||||||
| PTR | vmi3446330.contaboserver.net | ||||||
| SOA | catba.vclouddns.comhostmaster@corecns.com 2026-08-02 #1 | ||||||
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=1786821369 | ||||||
Subdomains
inbound.corecns.com |
Similar names
DNS History
23 records (7 active, 16 former)
○NSa.ns.interland.net2015-08-14 → 2017-03-21 · 4 obs
● 2017-03-21 22:38:12
○ 2020-01-09 01:27:42
○ 2026-08-15 19:34:18
○NSb.ns.interland.net2015-08-14 → 2017-03-21 · 4 obs
● 2017-03-21 22:38:12
○ 2020-01-09 01:27:42
○ 2026-08-15 19:34:18
○NSc.ns.interland.net2015-08-14 → 2017-03-21 · 4 obs
● 2017-03-21 22:38:12
○ 2020-01-09 01:27:42
○ 2026-08-15 19:34:18
●NScatba.vclouddns.com2026-08-15 → 2026-08-15 · 3 obs
● 2026-08-15 19:34:16
● 2026-08-15 19:34:18
●NShaiphong.vclouddns.com2026-08-15 → 2026-08-15 · 3 obs
● 2026-08-15 19:34:16
● 2026-08-15 19:34:18
○NSns1.programessentials.com2026-02-22 → 2026-02-22 · 4 obs
● 2026-02-22 08:18:58
○ 2026-07-08 20:34:02
○ 2026-08-15 19:34:18
○NSns2.programessentials.com2026-02-22 → 2026-02-22 · 4 obs
● 2026-02-22 08:18:58
○ 2026-07-08 20:34:02
○ 2026-08-15 19:34:18
○NSns3.programessentials.com2026-02-22 → 2026-02-22 · 4 obs
● 2026-02-22 08:18:58
○ 2026-07-08 20:34:02
○ 2026-08-15 19:34:18
○NSns4.programessentials.com2026-02-22 → 2026-02-22 · 4 obs
● 2026-02-22 08:18:58
○ 2026-07-08 20:34:02
○ 2026-08-15 19:34:18
○NSnsg1.namebrightdns.com2020-01-09 → 2020-01-09 · 4 obs
● 2020-01-09 01:27:42
○ 2026-02-22 08:18:58
○ 2026-08-15 19:34:18
○NSnsg2.namebrightdns.com2020-01-09 → 2020-01-09 · 4 obs
● 2020-01-09 01:27:42
○ 2026-02-22 08:18:58
○ 2026-08-15 19:34:18
○MXinbound.corecns.com2026-02-22 → 2026-08-15 · 2 obs
○ 2026-08-15 19:34:18
○MXinbound.registeredsite.com2015-08-14 → 2017-03-21 · 4 obs
● 2017-03-21 22:38:12
○ 2020-01-09 01:27:42
○ 2026-08-15 19:34:18
○MXlocalhost2026-02-22 → 2026-02-22 · 4 obs
● 2026-02-22 08:18:58
○ 2026-07-08 20:34:02
○ 2026-08-15 19:34:18
●MXmail.weptan.com2026-08-15 → 2026-08-15 · 3 obs
● 2026-08-15 19:34:16
● 2026-08-15 19:34:18
○A::12026-02-22 → 2026-02-22 · 4 obs
● 2026-02-22 08:18:58
○ 2026-07-08 20:34:02
○ 2026-08-15 19:34:18
●A103.166.183.102026-08-15 → 2026-08-15 · 3 obs
● 2026-08-15 19:34:16
● 2026-08-15 19:34:18
●A103.216.118.102026-08-15 → 2026-08-15 · 3 obs
● 2026-08-15 19:34:16
● 2026-08-15 19:34:18
●A103.56.163.102026-08-15 → 2026-08-15 · 3 obs
● 2026-08-15 19:34:16
● 2026-08-15 19:34:18
○A127.0.0.12026-02-22 → 2026-02-22 · 4 obs
● 2026-02-22 08:18:58
○ 2026-07-08 20:34:02
○ 2026-08-15 19:34:18
●A2001:df7:ce00:22::3:02026-08-15 → 2026-08-15 · 3 obs
● 2026-08-15 19:34:16
● 2026-08-15 19:34:18
○A209.237.150.202015-08-14 → 2017-03-21 · 4 obs
● 2017-03-21 22:38:12
○ 2020-01-09 01:27:42
○ 2026-08-15 19:34:18
○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2020-01-09 → 2020-01-09 · 3 obs
○ 2026-02-22 08:18:58
○ 2026-08-15 19:34:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| corecns.com | catba.vclouddns.com, haiphong.vclouddns.com | 2 records |
✅ Authoritative Response
Server:103.216.118.6
NS records: catba.vclouddns.com, haiphong.vclouddns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for corecns.com (unsigned zone)
⏱️ Timing
Total: 757ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 103.166.183.10, 103.216.118.10... |
| AAAA | 1 | 2001:df7:ce00:19::3:0 |
| NS | 2 | catba.vclouddns.com, haiphong.vclouddns.com |
| MX | 1 | mail.weptan.com (pri: 0) |
| SOA | 1 | catba.vclouddns.com hostmaster.corecns.c |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (catba.vclouddns.com, haiphong.vclouddns.com)
Analysis
Hierarchy
corecns.com is a parent domain of inbound.corecns.com.
IP Addresses
corecns.com has four IP addresses: 103.56.163.10, 103.166.183.10, 103.216.118.10 and 2001:df7:ce00:22::3:0.
ebrasecret.online, flashwatch.site, odenvironments.com plus two other host names have IP numbers in common with corecns.com.
Name Servers
corecns.com has two authoritative name servers — catba.vclouddns.com and haiphong.vclouddns.com.
The name server configuration of corecns.com is shared with other domains, for instance dctsmart.com.vn, vgx.vn, hoahongnhocenter.com and two others.
corecns.com shares at least some of its name servers with other domains, including 56tech.com.vn, qapp.vn, anphatcorp.com and two others.
catba.vclouddns.com and haiphong.vclouddns.com each resolve to one IP number: catba.vclouddns.com points to 103.216.118.6 and haiphong.vclouddns.com points to 103.72.97.79.
Mail Servers
corecns.com uses one mail server — mail.weptan.com.
The mail server setup of corecns.com matches that of other domains such as ladautocrushing.com, mcintyresg.com, reaction-inc.com and two others.
mail.weptan.com points to one IP number — 5.104.86.44.