synotech.vn - robtex.com
synotech.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.3.247.7🇻🇳 BKNS-AS-VN103.3.247.0/24 VDATA-VN | ||||||
| PTR | static.bkdata.vn | ||||||
| NS | ns1.bkdns.vn ⭐ | ||||||
| A | 103.48.81.11🇻🇳 VNPT-AS-VN103.48.80.0/22 BKNS-VN | ||||||
| PTR | ns1.bkdns.vn | ||||||
| NS | ns2.bkdns.vn | ||||||
| A | 2403:6a40:2000:247::220:1🇻🇳 BKNS-AS-VN2403:6a40:2000::/36 BKNS-VN | ||||||
| A | 103.3.247.220🇻🇳 BKNS-AS-VN103.3.247.0/24 VDATA-VN | ||||||
| PTR | static.bkdata.vn | ||||||
| NS | ns3.bkdns.vn | ||||||
| A | 103.74.123.250🇻🇳 BKNS-AS-VN103.74.122.0/23 CNBKNS-VN | ||||||
| PTR | ns3.bkdns.vn | ||||||
| MX | smtp81065.bkns.com.vn ⭐ | ||||||
| A | 103.48.81.65🇻🇳 VNPT-AS-VN103.48.80.0/22 BKNS-VN | ||||||
| PTR | smtp81065.bkns.com.vn | ||||||
| TXT | v=spf1 include:_spf.bkdata.vn ~all | ||||||
| SOA | ns1.bkdns.vnchuhieuphong@gmail.com 2025-01-20 #22 | ||||||
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=2030753578 | ||||||
Subdomains
www.synotech.vn |
Same first word
synotech.net |
synotech.vn |
synotech.com |
synotech.co.uk |
synotech.de |
synotech.us |
synotech.org |
synotech.es |
synotech.ro |
Similar names
DNS History
5 records (5 active, 0 former)
●MXsmtp81065.bkns.com.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 22:57:00
●A103.3.247.72026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 22:57:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| synotech.vn | ns1.bkdns.vn, ns3.bkdns.vn, ns2.bkdns.vn | 3 records |
✅ Authoritative Response
Server:103.74.123.250
NS records: ns1.bkdns.vn, ns3.bkdns.vn, ns2.bkdns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for synotech.vn (unsigned zone)
⏱️ Timing
Total: 4060ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.3.247.7 |
| NS | 3 | ns1.bkdns.vn, ns2.bkdns.vn... |
| MX | 1 | smtp81065.bkns.com.vn (pri: 0) |
| TXT | 1 | v=spf1 include:_spf.bkdata.vn ~all |
| SOA | 1 | ns1.bkdns.vn chuhieuphong.gmail.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.bkdns.vn, ns2.bkdns.vn, ns3.bkdns.vn)
Analysis
Hierarchy
synotech.vn is the parent of www.synotech.vn.
IP Addresses
synotech.vn resolves to one IP number: 103.3.247.7.
other host names including webmail.muaphutungotogiatot.vn, dracohotelqk3.vn, what.website.thptsongdoc.edu.vn, mail.imin.vn and www.xetienchuyenvungtausaigon.com.vn share IP numbers with synotech.vn.
Name Servers
synotech.vn is delegated to three name servers ns1.bkdns.vn, ns2.bkdns.vn and ns3.bkdns.vn.
synotech.vn at least partially shares name servers with other domains, for instance bep24h.vn, vietshare.vn, hnpbearings.vn, vhcorp.com.vn and xgnd.vn.
Host names with two IPs:
ns2.bkdns.vn points to: 2403:6a40:2000:247::220:1 and 103.3.247.220.
Host names with one IP:
ns1.bkdns.vn points to: 103.48.81.11.
ns3.bkdns.vn points to: 103.74.123.250.
Mail Servers
synotech.vn is handled by a single mail server, smtp81065.bkns.com.vn.
synotech.vn shares the same mail server setup as other domains, for instance vifu.com.vn, tldvn.com, vietevent.com.vn, sonhuu.com and nangmai.vn.
synotech.vn shares at least partially some mail servers with other domains, including vikohasanfiber.com, tradeline.vn and 4mvietnam.com.vn.
smtp81065.bkns.com.vn resolves to IP 103.48.81.65.