qtm.vn - robtex.com
qtm.vn
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=2030704710 | ||||||
Subdomains
Same first word
Similar names
DNS History
15 records (10 active, 5 former)
●NSns1.dotvndns.vn2026-04-24 → 2026-04-26 · 3 obs
● 2026-04-24 14:42:26
● 2026-04-26 13:44:00
●NSns1.qtm.vn2026-04-24 → 2026-04-26 · 3 obs
● 2026-04-24 14:42:26
● 2026-04-26 13:44:00
●NSns2.dotvndns.vn2026-04-24 → 2026-04-26 · 3 obs
● 2026-04-24 14:42:26
● 2026-04-26 13:44:00
○NSns4.tenten.vn2016-04-08 → 2016-11-08 · 4 obs
● 2016-11-08 14:15:26
○ 2026-04-24 14:42:26
○ 2026-04-26 13:44:00
○NSns5.tenten.vn2016-04-08 → 2016-11-08 · 4 obs
● 2016-11-08 14:15:26
○ 2026-04-24 14:42:26
○ 2026-04-26 13:44:00
○NSns6.tenten.vn2016-04-08 → 2016-11-08 · 4 obs
● 2016-11-08 14:15:26
○ 2026-04-24 14:42:26
○ 2026-04-26 13:44:00
●NSnsbak.dotvndns.com2026-04-24 → 2026-04-26 · 3 obs
● 2026-04-24 14:42:26
● 2026-04-26 13:44:00
●MXalt1.aspmx.l.google.com2026-04-24 → 2026-04-26 · 2 obs
● 2026-04-26 13:44:00
●MXalt2.aspmx.l.google.com2026-04-24 → 2026-04-26 · 2 obs
● 2026-04-26 13:44:00
●MXalt3.aspmx.l.google.com2026-04-24 → 2026-04-26 · 2 obs
● 2026-04-26 13:44:00
●MXalt4.aspmx.l.google.com2026-04-24 → 2026-04-26 · 2 obs
● 2026-04-26 13:44:00
●MXaspmx.l.google.com2026-04-24 → 2026-04-26 · 2 obs
● 2026-04-26 13:44:00
●A103.152.165.1652026-04-24 → 2026-04-26 · 3 obs
● 2026-04-24 14:42:26
● 2026-04-26 13:44:00
○A166.62.6.782016-11-08 → 2016-11-08 · 4 obs
● 2016-11-08 14:15:26
○ 2026-04-24 14:42:26
○ 2026-04-26 13:44:00
○A42.112.16.1182016-04-08 → 2016-04-08 · 3 obs
○ 2016-11-08 14:15:26
○ 2026-04-26 13:44:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | 16 records |
| qtm.vn | ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com | 4 records |
✅ Authoritative Response
Server:112.213.89.22
NS records: ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at qtm.vn: Error: DNS query timeout: 203.119.38.105 for DS qtm.vn
⏱️ Timing
Total: 5034ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.152.165.165 |
| NS | 3 | nsbak.dotvndns.com, ns2.dotvndns.vn... |
| MX | 5 | alt4.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns1.qtm.vn hostmaster.qtm.vn |
📌 Glue Records Collected
Total: 20
In-bailiwick: 16 (c.dns-servers.vn, c.dns-servers.vn, a.dns-servers.vn...)
Out-of-bailiwick: 4 (ns1.dotvndns.vn, ns1.dotvndns.vn, ns2.dotvndns.vn...)
Analysis
Hierarchy
qtm.vn is a parent of ns2.qtm.vn and ns1.qtm.vn.
IP Addresses
qtm.vn points to a single IP address: 103.152.165.165.
Other host names such as vuanoithat.com, bds.danang.vn, atlans.net, cayxanhcanhquan.vn and menature.vn share IP numbers with qtm.vn.
Name Servers
qtm.vn is delegated to four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns1.qtm.vn.
At least part of the name servers for qtm.vn are shared with other domains, for instance m-t.com.vn, hugamex.vn, 3a.com.vn, bischofberger.vn and vannghetre.vn.
These name servers are commonly used with ns1.pavietnam.vn, ns3.dotvndns.vn, ns2.pavietnam.vn and nsbak.pavietnam.net.
Host names and IP mappings
Two IPs per host:
nsbak.dotvndns.com points to: 2406:9c80::9000:302 and 112.213.89.22
ns1.dotvndns.vn points to: 2406:9c80::66 and 112.213.89.3
ns2.dotvndns.vn points to: 2406:9c80::9000:111 and 222.255.121.247
Single IP:
ns1.qtm.vn points to: 112.213.89.3
Other hosts pointing to 112.213.89.3:
ns1.dotvndns.vn and ns1.qtm.vn
Mail Servers
qtm.vn is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
qtm.vn shares at least some mail servers with other domains, for example electrolab.fis.ucm.es, ns500693.ns500699.ns500734.ns500734.ns500699.ns500693.ns500588.ns500588.ns500699.ns500588.ns500693.ns500588.ns500612.ns500612.ns500110.dtrkdll.com, ns500759.ns500759.ns500698.ns500759.ns500758.ns500698.ns500735.ns500735.ns500576.ns500576.ns500698.ns500698.ns500576.ns500576.ns500619.ns500619.trackreceptor.com, ns500742.ns500754.ns500754.ns500742.ns500754.ns500704.ns500688.ns500704.ns500688.ns500705.ns500649.ns500666.ns500131.lustychickser.com and ns500759.ns500698.ns500758.ns500759.ns500759.ns500735.ns500698.ns500735.ns500698.ns500736.ns500698.ns500735.ns500619.ns500576.ns500576.trackreceptor.com.
these mail servers are commonly used alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, alt3.aspmx.l.googlemail.com and alt4.aspmx.l.googlemail.com.
Host names with two IP numbers: aspmx.l.google.com points to 2607:f8b0:4023:c03::1b and 142.250.101.27; alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1a and 108.177.123.27; alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.26; alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.27; alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.26.