bii.vn - robtex.com
bii.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=2030981397 | ||||||
Subdomains
mail.bii.vn |
Same first word
Similar names
DNS History
14 records (6 active, 8 former)
●NSns.viettelidc.com.vn2026-05-17 → 2026-07-10 · 3 obs
● 2026-05-17 05:02:14
● 2026-07-10 02:58:30
○NSns1.dns.net.vn2017-03-27 → 2017-03-27 · 3 obs
○ 2020-03-23 07:07:52
○ 2026-07-10 02:58:30
○NSns1.dotvndns.vn2020-03-23 → 2020-03-23 · 4 obs
● 2020-03-23 07:07:52
○ 2026-05-17 05:02:14
○ 2026-07-10 02:58:30
○NSns1.pavietnam.vn2020-03-23 → 2020-03-23 · 4 obs
● 2020-03-23 07:07:52
○ 2026-05-17 05:02:14
○ 2026-07-10 02:58:30
●NSns1.viettelidc.com.vn2026-05-17 → 2026-07-10 · 3 obs
● 2026-05-17 05:02:14
● 2026-07-10 02:58:30
○NSns2.dns.net.vn2017-03-27 → 2017-03-27 · 3 obs
○ 2020-03-23 07:07:52
○ 2026-07-10 02:58:30
○NSns2.pavietnam.vn2020-03-23 → 2020-03-23 · 4 obs
● 2020-03-23 07:07:52
○ 2026-05-17 05:02:14
○ 2026-07-10 02:58:30
●NSns2.viettelidc.com.vn2026-05-17 → 2026-07-10 · 3 obs
● 2026-05-17 05:02:14
● 2026-07-10 02:58:30
○NSnsbak.pavietnam.net2020-03-23 → 2020-03-23 · 4 obs
● 2020-03-23 07:07:52
○ 2026-05-17 05:02:14
○ 2026-07-10 02:58:30
●MXmail.bii.vn2017-03-27 → 2026-07-10 · 4 obs
○ 2020-03-23 07:07:52
● 2026-05-17 05:02:14
● 2026-07-10 02:58:30
●A115.84.177.92026-05-17 → 2026-07-10 · 3 obs
● 2026-05-17 05:02:14
● 2026-07-10 02:58:30
●A150.95.109.1972026-05-17 → 2026-07-10 · 3 obs
● 2026-05-17 05:02:14
● 2026-07-10 02:58:30
○A210.211.116.892017-03-27 → 2017-03-27 · 3 obs
○ 2020-03-23 07:07:52
○ 2026-07-10 02:58:30
○A45.252.248.122020-03-23 → 2020-03-23 · 4 obs
● 2020-03-23 07:07:52
○ 2026-05-17 05:02:14
○ 2026-07-10 02:58:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| bii.vn | ns1.viettelidc.com.vn, ns.viettelidc.com.vn, ns2.viettelidc.com.vn | - |
✅ Authoritative Response
Server:115.84.181.10
NS records: ns1.viettelidc.com.vn, ns.viettelidc.com.vn, ns2.viettelidc.com.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bii.vn (unsigned zone)
⏱️ Timing
Total: 2785ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 150.95.109.197, 115.84.177.9 |
| NS | 3 | ns.viettelidc.com.vn, ns1.viettelidc.com.vn... |
| MX | 1 | mail.bii.vn (pri: 10) |
| TXT | 2 | v=spf1 ip4:103.147.186.114 mx ~all, google-site-verification=fW21UMXO6MxSwLT |
| SOA | 1 | ns.viettelidc.com.vn hostmaster.bii.vn |
Analysis
Hierarchy
mail.bii.vn is delegated beneath bii.vn.
IP Addresses
bii.vn has two IP addresses: 115.84.177.9 and 150.95.109.197
Among the host names that share IP numbers with bii.vn are qlbh.pushbike.vn, andromedatravel.com.vn, www.pademark.com.vn and two others.
Name Servers
bii.vn has three name servers — ns1.viettelidc.com.vn, ns2.viettelidc.com.vn and ns.viettelidc.com.vn.
There is at least partial name server overlap between bii.vn and other domains — altek.com.vn, vietbabyfair.com.vn, bdskiengiang.com and two more among them.
Each of ns1.viettelidc.com.vn, ns2.viettelidc.com.vn and ns.viettelidc.com.vn points to two IP numbers. ns1.viettelidc.com.vn points to 115.84.177.33 and 2401:5f80:2000:2::4. ns2.viettelidc.com.vn points to 115.84.181.10 and 2401:5f80:4000:1::4. ns.viettelidc.com.vn points to 115.84.177.8 and 2401:5f80:2000:1::5.
Mail Servers
bii.vn routes its mail through a single mail server, mail.bii.vn.
mail.bii.vn points to one IP number — 103.147.186.114.