qlt.vn - robtex.com
qlt.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.155.160.35🇻🇳 VNDATA-AS-VN103.155.160.0/24 SVHUB-VN | ||||||
| PTR | static-ptr.vndata.vn | ||||||
| NS | ns1.dotvndns.vn ⭐ | ||||||
| A | 2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns1.dotvndns.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.dotvndns.vn | ||||||
| A | 2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns2.dotvndns.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| NS | ns3.dotvndns.vn | ||||||
| A | 112.213.89.22🇻🇳 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 | ns8922.dotvndns.vn | ||||||
| NS | nsbak.dotvndns.com | ||||||
| A | 2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | nsbak.dotvndns.com | ||||||
| A | 112.213.89.22🇻🇳 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 | ns8922.dotvndns.vn | ||||||
| MX | mail.qlt.vn ⭐ | ||||||
| A | 103.155.160.35🇻🇳 VNDATA-AS-VN103.155.160.0/24 SVHUB-VN | ||||||
| PTR | static-ptr.vndata.vn | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.dotvndns.vnhostmaster@qlt.vn 2026-07-04 #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 2031-03-18 #49 | ||||||
Subdomains
mail.qlt.vn |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSns1.dotvndns.vn2026-06-10 → 2026-07-23 · 3 obs
● 2026-06-10 23:38:44
● 2026-07-23 20:25:50
○NSns1.zonedns.vn2019-12-31 → 2019-12-31 · 3 obs
○ 2026-02-21 03:04:50
○ 2026-07-23 20:25:50
●NSns2.dotvndns.vn2026-06-10 → 2026-07-23 · 3 obs
● 2026-06-10 23:38:44
● 2026-07-23 20:25:50
○NSns2.zonedns.vn2019-12-31 → 2019-12-31 · 3 obs
○ 2026-02-21 03:04:50
○ 2026-07-23 20:25:50
●NSns3.dotvndns.vn2026-06-10 → 2026-07-23 · 3 obs
● 2026-06-10 23:38:44
● 2026-07-23 20:25:50
○NSns3.zonedns.vn2019-12-31 → 2019-12-31 · 3 obs
○ 2026-02-21 03:04:50
○ 2026-07-23 20:25:50
○NSns4.zonedns.vn2019-12-31 → 2019-12-31 · 3 obs
○ 2026-02-21 03:04:50
○ 2026-07-23 20:25:50
●NSnsbak.dotvndns.com2026-07-23 → 2026-07-23 · 2 obs
● 2026-07-23 20:25:50
●MXmail.qlt.vn2026-06-10 → 2026-07-23 · 2 obs
● 2026-07-23 20:25:50
●A103.155.160.352026-06-10 → 2026-07-23 · 2 obs
● 2026-07-23 20:25:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | f.dns-servers.vn, c.dns-servers.vn, h.dns-servers.vn, g.dns-servers.vn... | - |
| qlt.vn | ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com, ns3.dotvndns.vn | 4 records |
✅ Authoritative Response
Server:112.213.89.3
NS records: ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com, ns3.dotvndns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qlt.vn (unsigned zone)
⏱️ Timing
Total: 2207ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.155.160.35 |
| NS | 4 | ns3.dotvndns.vn, ns1.dotvndns.vn... |
| MX | 1 | mail.qlt.vn (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.dotvndns.vn hostmaster.qlt.vn |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.dotvndns.vn...)
Analysis
Hierarchy
qlt.vn is the parent zone for mail.qlt.vn.
IP Addresses
qlt.vn points to a single IP number: 103.155.160.35.
Additional host names — cpanel.lhpimexco.vn, tuonglaidrone.vn, chukysovinca.vn and two others — share IP numbers with qlt.vn.
Name Servers
qlt.vn has four authoritative name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.
qlt.vn partially shares its NS delegation with several other domains, including vanadis.com.vn, tapdoanconhantao.com, inmelinh.com and two others.
The name servers ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net and ns4.dotvndns.vn are often found in use alongside these name servers.
Host names with two IP numbers:
nsbak.dotvndns.com has two IP addresses: 112.213.89.22 and 2406:9c80::9000:302.
ns1.dotvndns.vn has two IP addresses: 112.213.89.3 and 2406:9c80::66.
ns2.dotvndns.vn has two IP addresses: 222.255.121.247 and 2406:9c80::9000:111.
Host names pointing to a single IP address:
ns3.dotvndns.vn directs to 112.213.89.22.
Host names pointing to 112.213.89.22 IP addresses: nsbak.dotvndns.com and ns3.dotvndns.vn.
Mail Servers
qlt.vn has one mail server: mail.qlt.vn.
mail.qlt.vn has exactly one IP number: 103.155.160.35.