bittech.vn - dns.ninja
bittech.vn
vn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2031063670 | ||||||
Subdomains
mail.bittech.vn |
cpcontacts.bittech.vn |
cpanel.bittech.vn |
mx.bittech.vn |
webdisk.bittech.vn |
www.bittech.vn |
webmail.bittech.vn |
cpcalendars.bittech.vn |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSns1.matbao.vn2016-12-28 → 2017-07-28 · 4 obs
● 2017-07-28 10:22:26
○ 2026-03-17 02:56:22
○ 2026-08-01 17:52:12
●NSns1.pavietnam.vn2026-03-17 → 2026-08-01 · 3 obs
● 2026-03-17 02:56:22
● 2026-08-01 17:52:12
○NSns2.matbao.vn2016-12-28 → 2017-07-28 · 4 obs
● 2017-07-28 10:22:26
○ 2026-03-17 02:56:22
○ 2026-08-01 17:52:12
●NSns2.pavietnam.vn2026-03-17 → 2026-08-01 · 3 obs
● 2026-03-17 02:56:22
● 2026-08-01 17:52:12
●NSnsbak.pavietnam.net2026-03-17 → 2026-08-01 · 3 obs
● 2026-03-17 02:56:22
● 2026-08-01 17:52:12
●MXmail.bittech.vn2026-03-17 → 2026-08-01 · 3 obs
● 2026-03-17 02:56:22
● 2026-08-01 17:52:12
○MXmx.bittech.vn2016-12-28 → 2017-07-28 · 4 obs
● 2017-07-28 10:22:26
○ 2026-03-17 02:56:22
○ 2026-08-01 17:52:12
○A103.18.6.552026-03-17 → 2026-03-17 · 4 obs
● 2026-03-17 02:56:22
○ 2026-08-01 17:25:48
○ 2026-08-01 17:52:12
○A118.69.174.1052016-12-28 → 2017-08-11 · 4 obs
● 2017-08-11 02:45:14
○ 2026-03-17 02:56:22
○ 2026-08-01 17:52:12
●A157.10.53.2512026-08-01 → 2026-08-01 · 3 obs
● 2026-08-01 17:25:48
● 2026-08-01 17:52:12
🔍 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 |
| bittech.vn | nsbak.pavietnam.net, ns2.pavietnam.vn, ns1.pavietnam.vn | 4 records |
✅ Authoritative Response
Server:112.213.89.22
NS records: nsbak.pavietnam.net, ns2.pavietnam.vn, ns1.pavietnam.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bittech.vn (unsigned zone)
⏱️ Timing
Total: 1794ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.10.53.251 |
| NS | 3 | nsbak.pavietnam.net, ns1.pavietnam.vn... |
| MX | 1 | mail.bittech.vn (pri: 0) |
| SOA | 1 | ns1.pavietnam.vn hostmaster.bittech.vn |
📌 Glue Records Collected
Total: 20
In-bailiwick: 16 (a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn...)
Out-of-bailiwick: 4 (ns1.pavietnam.vn, ns2.pavietnam.vn, ns1.pavietnam.vn...)
Analysis
Hierarchy
Among the subdomains of bittech.vn are mail.bittech.vn, cpcontacts.bittech.vn, cpanel.bittech.vn, mx.bittech.vn, webdisk.bittech.vn and a few other host names.
IP Addresses
bittech.vn resolves to just one IP address, 157.10.53.251.
Two other host names, along with tamhoamiennui.site, dhlcompany24.com and brotherhud.io.vn, also share IP numbers with bittech.vn.
Name Servers
The authoritative name servers for bittech.vn are nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn — three in total.
There is at least partial name server overlap between bittech.vn and other domains — chukyso-viettel.vn, leathermen.vn, boxsports.vn and two more among them.
The name servers ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and two others are commonly seen in use alongside these name servers.
nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn all resolve to exactly two IP numbers apiece: nsbak.pavietnam.net → 112.213.89.22 and 2406:9c80::9000:302; ns1.pavietnam.vn → 112.213.89.3 and 2406:9c80::66; ns2.pavietnam.vn → 222.255.121.247 and 2406:9c80::9000:111.
Mail Servers
The sole mail server for bittech.vn is mail.bittech.vn.
mail.bittech.vn directs to just one IP number, 157.10.53.251.