ckfun.com.vn - robtex.com
ckfun.com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.zonedns.vn ⚠️ Not in zone NS records | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 64.176.84.220🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix | ||||||
| PTR | ns1.zonedns.vn | ||||||
| NS | ns2.zonedns.vn ⚠️ Not in zone NS records | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 103.176.178.51🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN | ||||||
| NS | ns3.zonedns.vn ⚠️ Not in zone NS records | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.36.30🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| NS | ns4.zonedns.vn ⚠️ Not in zone NS records | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.39.159🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | b.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | c.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | d.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | e.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | f.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | g.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | h.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2022816882 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSns1.zonedns.vn2026-05-01 → 2026-07-22 · 2 obs
● 2026-07-22 22:44:20
●NSns2.zonedns.vn2026-05-01 → 2026-07-22 · 2 obs
● 2026-07-22 22:44:20
●NSns3.zonedns.vn2026-05-01 → 2026-07-22 · 2 obs
● 2026-07-22 22:44:20
●NSns4.zonedns.vn2026-05-01 → 2026-07-22 · 2 obs
● 2026-07-22 22:44:20
○MXsmtp.umailsmtp.com2026-05-01 → 2026-05-12 · 4 obs
● 2026-05-12 17:38:32
○ 2026-07-09 08:10:04
○ 2026-07-22 22:44:20
○A103.221.223.512026-05-01 → 2026-05-12 · 4 obs
● 2026-05-12 17:38:32
○ 2026-07-09 08:10:04
○ 2026-07-22 22:44:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| ckfun.com.vn | ns4.zonedns.vn, ns3.zonedns.vn, ns1.zonedns.vn, ns2.zonedns.vn | - |
✅ Authoritative Response
Server:103.176.178.51
NS records: ns4.zonedns.vn, ns3.zonedns.vn, ns1.zonedns.vn, ns2.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ckfun.com.vn (unsigned zone)
⏱️ Timing
Total: 4087ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.221.223.51 |
| NS | 4 | ns3.zonedns.vn, ns2.zonedns.vn... |
| MX | 1 | smtp.umailsmtp.com (pri: 10) |
| TXT | 2 | v=spf1 include:dn(0x736578)it.com include:_spf., google-site-verification=I9aYxnPMCuSK2KW |
| SOA | 1 | ns1.zonedns.vn root.ckfun.com.vn |
Analysis
Hierarchy
nodejs.ckfun.com.vn, www.ckfun.com.vn and job.ckfun.com.vn each fall under the parent domain ckfun.com.vn.
Name Servers
The authoritative name servers for ckfun.com.vn are ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
ckfun.com.vn partially shares its NS delegation with several other domains, including pulpo.vn, wecode.vn, leaderreal.com.vn and two others.
These name servers are regularly seen alongside ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn as name servers.
Each of the four hosts ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn has two IP addresses: ns1.zonedns.vn resolves to 64.176.84.220 and 2401:c080:1400:1cd4:5400:5ff:fe80:ec33; ns2.zonedns.vn resolves to 103.176.178.51 and 2401:c080:1400:1cd4:5400:5ff:fe80:ec33; ns3.zonedns.vn resolves to 103.28.36.30 and 2001:df1:3200::15; ns4.zonedns.vn resolves to 103.28.39.159 and 2001:df1:3200::15.
ns1.zonedns.vn and ns2.zonedns.vn are host names that each point to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 IP addresses.
ns3.zonedns.vn and ns4.zonedns.vn are host names that each point to 2001:df1:3200::15 IP addresses.