2bsystem.com.vn - robtex.com
2bsystem.com.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=2022716090 | ||||||
Subdomains
sar.2bsystem.com.vn |
mattermost.2bsystem.com.vn |
redmine.2bsystem.com.vn |
chinhlysohoa.2bsystem.com.vn |
attpnghiepvuapi.2bsystem.com.vn |
www.2bsystem.com.vn |
tccnbctapi.2bsystem.com.vn |
kangarro.2bsystem.com.vn |
svn.2bsystem.com.vn |
attpnghiepvu.2bsystem.com.vn |
fss.2bsystem.com.vn |
gitlab.2bsystem.com.vn |
qlda.2bsystem.com.vn |
tccnbct.2bsystem.com.vn |
attpkhaibaodev.2bsystem.com.vn |
qlcanboapi.2bsystem.com.vn |
wso2.2bsystem.com.vn |
center.2bsystem.com.vn |
mos.2bsystem.com.vn |
tccnnsw.2bsystem.com.vn |
penpot.2bsystem.com.vn |
qlcanbo.2bsystem.com.vn |
onlyoffice2bs.2bsystem.com.vn |
grafana.2bsystem.com.vn |
onlyoffice.2bsystem.com.vn |
qlcb.2bsystem.com.vn |
hrbtc.2bsystem.com.vn |
admin-qlcb.2bsystem.com.vn |
acs.2bsystem.com.vn |
mrs.2bsystem.com.vn |
prometheus.2bsystem.com.vn |
backendbtc.2bsystem.com.vn |
n8n.2bsystem.com.vn |
file.2bsystem.com.vn |
api-qlcb.2bsystem.com.vn |
qldaapi.2bsystem.com.vn |
lis.2bsystem.com.vn |
attpkhaibao.2bsystem.com.vn |
Same first word
DNS History
5 records (5 active, 0 former)
●NSns1.pavietnam.vn2026-03-23 → 2026-05-15 · 2 obs
● 2026-05-15 00:57:42
●NSns2.pavietnam.vn2026-03-23 → 2026-05-15 · 2 obs
● 2026-05-15 00:57:42
●NSnsbak.pavietnam.net2026-03-23 → 2026-05-15 · 2 obs
● 2026-05-15 00:57:42
●MX2bsystem-com-vn.mail.protection.outlook.com2026-03-23 → 2026-05-15 · 2 obs
● 2026-05-15 00:57:42
●A14.162.145.332026-03-23 → 2026-05-15 · 2 obs
● 2026-05-15 00:57:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | g.dns-servers.vn, f.dns-servers.vn, e.dns-servers.vn, b.dns-servers.vn... | - |
| 2bsystem.com.vn | nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn | - |
✅ Authoritative Response
Server:222.255.121.247
NS records: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 2bsystem.com.vn (unsigned zone)
⏱️ Timing
Total: 1631ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 14.162.145.33 |
| NS | 3 | nsbak.pavietnam.net, ns1.pavietnam.vn... |
| MX | 1 | 2bsystem-com-vn.mail.protection.outlook. |
| TXT | 2 | MS=ms92521904, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.pavietnam.vn hostmaster.2bsystem.com |
Analysis
Hierarchy
2bsystem.com.vn is a parent of sar.2bsystem.com.vn, mattermost.2bsystem.com.vn, redmine.2bsystem.com.vn, chinhlysohoa.2bsystem.com.vn, attpnghiepvuapi.2bsystem.com.vn and a few other host names.
IP Addresses
2bsystem.com.vn points to a single IP address: 14.162.145.33.
Other host names such as www.2bsystem.com.vn, tccnbctapi.2bsystem.com.vn, kangarro.2bsystem.com.vn, svn.2bsystem.com.vn and attpnghiepvu.2bsystem.com.vn share IPs with 2bsystem.com.vn.
Name Servers
2bsystem.com.vn is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
2bsystem.com.vn at least partially shares name servers with other domains, for example zweb.vn, kademia.edu.vn, foreverrose.vn, weplus.vn and dailoico.com.
Name servers ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com, ns3.dotvndns.vn, dnssecbak.pavietnam.net, dnssec1.pavietnam.vn and dnssec2.pavietnam.vn are commonly used together.
Host names with two IP numbers:
nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22
ns1.pavietnam.vn points to 2406:9c80::66 and 112.213.89.3
ns2.pavietnam.vn points to 2406:9c80::9000:111 and 222.255.121.247
Mail Servers
The 2bsystem-com-vn.mail.protection.outlook.com mail server handles 2bsystem.com.vn.
Host name 2bsystem-com-vn.mail.protection.outlook.com resolves to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.