tbttech.vn - robtex.com
tbttech.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.255.237.57🇻🇳 LUUTRUSO-AS-VN103.255.237.0/24 LUUTRUSO-VN | ||||||
| PTR | no-ptr.123host.vn | ||||||
| NS | ns1.luutruso.vn ⭐ | ||||||
| A | 103.255.236.7🇻🇳 LUUTRUSO-AS-VN103.255.236.0/24 LUUTRUSO-VN | ||||||
| PTR | ns1.luutruso.vn | ||||||
| NS | ns2.luutruso.vn | ||||||
| A | 139.144.121.147🇸🇬 AKAMAI-LINODE-AP139.144.112.0/20 Akamai Technologies | ||||||
| PTR | ns2.luutruso.vn | ||||||
| NS | nsbak.luutruso.net | ||||||
| A | 103.255.238.7🇻🇳 LUUTRUSO-AS-VN103.255.238.0/24 LUUTRUSO-VN | ||||||
| PTR | nsbak.luutruso.net | ||||||
| MX | mail.tbttech.vn ⭐ | ||||||
| A | 124.158.10.244🇻🇳 CMC-3124.158.10.0/24 CMCTELECOM-VN | ||||||
| PTR | mail.mylandingpage.vn | ||||||
| PTR | mail.omall.vn | ||||||
| PTR | mail.tbttech.vn | ||||||
| PTR | mail.aaufurniture.vn.10.158.124.in-addr.arpa | ||||||
| PTR | mail.dienlanhniemtinviet.vn.10.158.124.in-addr.arpa | ||||||
| TXT | v=spf1 mx a ip4:124.158.10.244 ~all | ||||||
| SOA | ns1.luutruso.vnsupport@123host.vn 2021-03-10 #7 | ||||||
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=2030759289 | ||||||
Subdomains
Same first word
tbttech.vn |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.luutruso.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 12:03:36
●NSns2.luutruso.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 12:03:36
●NSnsbak.luutruso.net2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 12:03:36
●MXmail.tbttech.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 12:03:36
●A103.255.237.572026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 12:03:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, h.dns-servers.vn, g.dns-servers.vn, f.dns-servers.vn... | - |
| tbttech.vn | ns1.luutruso.vn, nsbak.luutruso.net, ns2.luutruso.vn | 2 records |
✅ Authoritative Response
Server:139.144.121.147
NS records: ns1.luutruso.vn, nsbak.luutruso.net, ns2.luutruso.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tbttech.vn (unsigned zone)
⏱️ Timing
Total: 1516ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.255.237.57 |
| NS | 3 | ns2.luutruso.vn, ns1.luutruso.vn... |
| MX | 1 | mail.tbttech.vn (pri: 10) |
| TXT | 1 | v=spf1 mx a ip4:124.158.10.244 ~all |
| SOA | 1 | ns1.luutruso.vn support.123host.vn |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.luutruso.vn, ns2.luutruso.vn)
Analysis
Hierarchy
tbttech.vn is a parent of www.tbttech.vn and mail.tbttech.vn.
IP Addresses
tbttech.vn points to IP number 103.255.237.57.
Other host names, for example ytethuanviet.com and duc.thanhdong.edu.vn, share IPs with tbttech.vn.
Name Servers
The delegation for tbttech.vn is handled by three name servers: nsbak.luutruso.net, ns1.luutruso.vn and ns2.luutruso.vn.
tbttech.vn shares name servers with other domains at least partially, for example hocnghenail.edu.vn, muhcm.com, taxilongkhanh.info.vn, amnhacvietthanh.vn and hotrodoanhnghiep.net.vn.
These name servers are commonly used with the name servers nsbak.luutruso.net.directideleteddomain.com and dns1.parking-page.net.
Host names with a single IP address: nsbak.luutruso.net points to 103.255.238.7; ns1.luutruso.vn points to 103.255.236.7; ns2.luutruso.vn points to 139.144.121.147.
Mail Servers
tbttech.vn is handled by a single mail server, mail.tbttech.vn.
mail.tbttech.vn points to a single IP: 124.158.10.244.