surelrn.vn - robtex.com
surelrn.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.2.89.135🇻🇳 QTSP210.2.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| NS | ns1.matbao.vn ⭐ | ||||||
| A | 13.250.228.99🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com | ||||||
| A | 103.110.128.60🇻🇳 AXYS-VN103.110.128.0/23 | ||||||
| NS | ns2.matbao.vn | ||||||
| A | 35.198.203.127🇸🇬 Google35.198.192.0/20 | ||||||
| PTR | 127.203.198.35.bc.googleusercontent.com | ||||||
| A | 103.138.89.11🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET | ||||||
| MX | webmail.lacviet.com.vn ⭐ | ||||||
| A | 222.255.67.234🇻🇳 VTN-1222.255.66.0/23 VNPT | ||||||
| PTR | webmail.lacviet.com.vn | ||||||
| TXT | v=spf1 a mx -all | ||||||
| SOA | ns1.matbao.vnadmin@matbao.com 2025-05-16 #1 | ||||||
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=2030756205 | ||||||
Subdomains
socket.surelrn.vn |
bot.surelrn.vn |
elearn.surelrn.vn |
smartcreditlearning.surelrn.vn |
landingdemo.surelrn.vn |
www.surelrn.vn |
Same first word
surelrn.vn |
Similar names
DNS History
5 records (4 active, 1 former)
●MXwebmail.lacviet.com.vn2020-02-18 → 2026-05-10 · 2 obs
● 2026-05-10 22:27:08
○A113.161.108.362020-02-18 → 2020-02-18 · 3 obs
○ 2026-05-01 06:35:46
○ 2026-05-10 22:27:08
●A210.2.89.1352026-05-01 → 2026-05-10 · 3 obs
● 2026-05-01 06:35:46
● 2026-05-10 22:27:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | h.dns-servers.vn, f.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn... | - |
| surelrn.vn | ns2.matbao.vn, ns1.matbao.vn | 2 records |
✅ Authoritative Response
Server:103.138.89.11
NS records: ns2.matbao.vn, ns1.matbao.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for surelrn.vn (unsigned zone)
⏱️ Timing
Total: 2080ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.2.89.135 |
| NS | 2 | ns2.matbao.vn, ns1.matbao.vn |
| MX | 1 | webmail.lacviet.com.vn (pri: 10) |
| TXT | 1 | v=spf1 a mx -all |
| SOA | 1 | ns1.matbao.vn admin.matbao.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.matbao.vn, ns2.matbao.vn)
Analysis
Hierarchy
surelrn.vn is a parent of socket.surelrn.vn, bot.surelrn.vn, elearn.surelrn.vn, smartcreditlearning.surelrn.vn, landingdemo.surelrn.vn and a few other host names.
IP Addresses
surelrn.vn points to IP number: 210.2.89.135.
Other host names such as landingdemo.surelrn.vn, otp.shopdx.vn and fileapi.surego.vn share IP numbers with surelrn.vn.
Name Servers
surelrn.vn is delegated to two name servers: ns1.matbao.vn and ns2.matbao.vn.
surelrn.vn shares the same name server setup as vts.org.vn, muavip.vn, analog.info.vn, mayhanhongky.vn and songphuongtrade.vn.
surelrn.vn at least partially shares name servers with other domains, for instance dalatrose.com, hoclaixekhongkho.com, bgg.edu.vn, 4share.vn and namviet-corp.com.
These name servers are commonly used together with ns1.matbao.com, ns2.matbao.com and ns-bak.matbao.com.
Host names with two IP numbers: ns1.matbao.vn points to: 13.250.228.99 and 103.110.128.60; ns2.matbao.vn points to: 35.198.203.127 and 103.138.89.11.
Mail Servers
surelrn.vn is handled by a single mail server, webmail.lacviet.com.vn.
The mail server setup for surelrn.vn matches that of other domains, for instance surehis.com, vebrary.vn, accnet.vn, suremeet.vn and surehcs.vn.
webmail.lacviet.com.vn points to a single IP: 222.255.67.234.