qntc.vn - robtex.com
qntc.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.2.87.4🇻🇳 QTSP210.2.87.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | 874.ninamailservice.com | ||||||
| NS | ns1.nina.vn ⭐ | ||||||
| A | 112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| NS | ns2.nina.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| MX | mail.qntc.vn ⭐ | ||||||
| A | 210.2.87.4🇻🇳 QTSP210.2.87.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | 874.ninamailservice.com | ||||||
| TXT | v=spf1 a mx ip4:210.2.87.4 ~all | ||||||
| SOA | ns1.nina.vnhostmaster@qntc.vn 2023-08-22 #11 | ||||||
vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn | ||||||
| NS | b.dns-servers.vn | ||||||
| NS | c.dns-servers.vn | ||||||
| NS | d.dns-servers.vn | ||||||
| NS | e.dns-servers.vn | ||||||
| NS | f.dns-servers.vn | ||||||
| NS | g.dns-servers.vn | ||||||
| NS | h.dns-servers.vn | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2030757799 | ||||||
Subdomains
mail.qntc.vn |
Same first word
qntc.vn |
Similar names
qtcn.org |
cqtn.com |
cqtn.gov.cn |
nctq.org |
cnqt.com |
tqcn.com |
ncqt.vn |
cqtn.net |
qnct.de |
qtcn.net |
qtcn.com |
ctnq.cn |
qnct.net |
cntq.gob.ve |
qtcn.com.au |
qtnc.com |
ntcq.net |
qnct.cn |
cqtn.cn |
tqnc.cn |
ctnq.com |
DNS History
4 records (4 active, 0 former)
●MXmail.qntc.vn2020-03-25 → 2026-05-11 · 2 obs
● 2026-05-11 05:53:10
●A210.2.87.42020-03-25 → 2026-05-11 · 2 obs
● 2026-05-11 05:53:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | d.dns-servers.vn, c.dns-servers.vn, h.dns-servers.vn, g.dns-servers.vn... | - |
| qntc.vn | ns1.nina.vn, ns2.nina.vn | - |
✅ Authoritative Response
Server:222.255.121.247
NS records: ns1.nina.vn, ns2.nina.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qntc.vn (unsigned zone)
⏱️ Timing
Total: 3753ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.2.87.4 |
| NS | 2 | ns2.nina.vn, ns1.nina.vn |
| MX | 1 | mail.qntc.vn (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:210.2.87.4 ~all |
| SOA | 1 | ns1.nina.vn hostmaster.qntc.vn |
Analysis
Hierarchy
qntc.vn is the parent of mail.qntc.vn.
IP Addresses
qntc.vn points to a single IP number: 210.2.87.4.
other host names for instance mail.sahara77.com, abacus.abuse.bestbarista.com, arabam.bestbarista.com, mail.xuongquangcaongoclam.com and int1.darkorbit.oyun.bestbarista.com share IP numbers with qntc.vn.
Name Servers
qntc.vn is delegated to two name servers: ns1.nina.vn and ns2.nina.vn.
qntc.vn shares the same name server setup as other domains, for example vattudongthanh.com, tuongphatvietnam.vn, samcorp.vn, giamdinhhanghoa.com and unghoangphuckimcuong.vn.
qntc.vn at least partially shares name servers with other domains, for instance nhomkinhdaidongtam.com, papaholiday.com, oceaninvest.com.vn, imada.vn and conhiethaidang.com.
These name servers are commonly used with ns3.nina.vn, ns1.dotvndns.vn and ns2.dotvndns.vn.
Host names with one IP number:
The host ns1.nina.vn points to 112.213.89.3 and the host ns2.nina.vn points to 222.255.121.247.
Mail Servers
qntc.vn is handled by a single mail server, mail.qntc.vn.
Host name mail.qntc.vn points to IP address 210.2.87.4.