koithe.com.vn - dns.ninja
koithe.com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | vdc-hn01.vnn.vn ⭐ | ||||||
| A | 2001:ee0:3281::8🇻🇳 VTN-12001:ee0:3281::/48 | ||||||
| PTR | static.vnpt.vn | ||||||
| A | 203.162.0.11🇻🇳 VTN-1203.162.0.0/24 VNPT | ||||||
| PTR | vdc-hn01.vnn.vn | ||||||
| NS | hcm-server1.vnn.vn | ||||||
| A | 2001:ee0:3281:8000::8🇻🇳 VTN-12001:ee0:3281::/48 | ||||||
| PTR | static.vnpt.vn | ||||||
| A | 203.162.4.1🇻🇳 VTN-1203.162.4.0/23 VNPT | ||||||
| PTR | hcm-server1.vnn.vn | ||||||
| MX | ssl.emailserver.vn ⭐ | ||||||
| A | 203.171.31.205🇻🇳 CMC-1203.171.31.0/24 CMCTELECOM-VN | ||||||
| TXT | v=spf1 mx include:emailserver.vn -all | ||||||
| TXT | v=spf1 mx a ip4:113.176.62.216 ~all | ||||||
| SOA | vdc-hn01.vnn.vnpostmaster@vnn.vn 2026-07-29 #1 | ||||||
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=2022827576 | ||||||
Subdomains
checkin.koithe.com.vn |
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NShcm-server1.vnn.vn2026-05-19 → 2026-07-30 · 2 obs
● 2026-07-30 02:14:32
●MXssl.emailserver.vn2026-05-19 → 2026-07-30 · 2 obs
● 2026-07-30 02:14:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | 16 records |
| koithe.com.vn | hcm-server1.vnn.vn, vdc-hn01.vnn.vn | - |
✅ Authoritative Response
Server:203.162.0.11
NS records: hcm-server1.vnn.vn, vdc-hn01.vnn.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koithe.com.vn (unsigned zone)
⏱️ Timing
Total: 2076ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | hcm-server1.vnn.vn, vdc-hn01.vnn.vn |
| MX | 1 | ssl.emailserver.vn (pri: 10) |
| TXT | 2 | v=spf1 mx a ip4:113.176.62.216 ~all, v=spf1 mx include:emailserver.vn -all |
| SOA | 1 | vdc-hn01.vnn.vn postmaster.vnn.vn |
📌 Glue Records Collected
Total: 16
In-bailiwick: 16 (a.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn...)
Analysis
Hierarchy
koithe.com.vn is a parent domain of checkin.koithe.com.vn.
Name Servers
DNS delegation for koithe.com.vn points to two name servers: hcm-server1.vnn.vn and vdc-hn01.vnn.vn.
koithe.com.vn shares its name server setup with other domains, including 60.161.113.in-addr.arpa, 166.160.113.in-addr.arpa, 171.20.123.in-addr.arpa and two others.
koithe.com.vn has partial name server overlap with other domains, including maxport-jsc.com.vn.
hcm-server1.vnn.vn directs to 203.162.4.1 and 2001:ee0:3281:8000::8. vdc-hn01.vnn.vn directs to 203.162.0.11 and 2001:ee0:3281::8. Each host name carries two IP addresses.
Mail Servers
koithe.com.vn has one mail server: ssl.emailserver.vn.
koithe.com.vn shares the same mail server setup as other domains, including eap.vn, danso.info, top10finest.com and two others.
ssl.emailserver.vn has exactly one IP number: 203.171.31.205.