grabstudy.vn - robtex.com
grabstudy.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2404:c6c0::113🇻🇳 VNPT-AS-VN2404:c6c0::/48 VNPT-NET | ||||||
| A | 103.138.88.113🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET | ||||||
| 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 | ||||||
| TXT | google-site-verification=AUrSWJPNcsjBl_wv3ugF_0IYeSjLc6itIyYAUljJUDU | ||||||
| SOA | ns1.matbao.vnadmin@matbao.com 2025-02-03 #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=2030754076 | ||||||
Subdomains
monitoring.grabstudy.vn |
Same first word
grabstudy.vn |
grabstudy.com |
Similar names
DNS History
4 records (4 active, 0 former)
●A103.138.88.1132026-05-09 → 2026-05-10 · 2 obs
● 2026-05-10 05:23:04
●A2404:c6c0::1132026-05-09 → 2026-05-10 · 2 obs
● 2026-05-10 05:23:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| grabstudy.vn | ns1.matbao.vn, ns2.matbao.vn | 2 records |
✅ Authoritative Response
Server:13.250.228.99
NS records: ns1.matbao.vn, ns2.matbao.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grabstudy.vn (unsigned zone)
⏱️ Timing
Total: 1559ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.138.88.113 |
| AAAA | 1 | 2404:c6c0::113 |
| NS | 2 | ns1.matbao.vn, ns2.matbao.vn |
| TXT | 1 | google-site-verification=AUrSWJPNcsjBl_w |
| 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
monitoring.grabstudy.vn has grabstudy.vn as its parent.
IP Addresses
grabstudy.vn points to two IPs: 2404:c6c0::113 and 103.138.88.113.
Other host names, for instance khacdau.net.vn, wintechco.vn, tourdulichquynhon.com, luatduytin.vn and conimec.vn share IP numbers with grabstudy.vn.
Name Servers
Two name servers ns1.matbao.vn and ns2.matbao.vn are delegated to grabstudy.vn.
grabstudy.vn uses the same name server configuration as other domains, such as thubabds.com.vn, clegal.com.vn, vinapool.vn, hachivietnam.vn and ecvn.vn.
grabstudy.vn at least partially shares name servers with other domains such as vaynganhang.net, grandhotel.vn, bateco.vn, haiphavietnam.vn and dongphuclongan.vn.
these name servers are commonly used alongside the name servers ns1.matbao.com, ns2.matbao.com, ns-bak.matbao.com, ns3.matbao.vn and ns4.matbao.vn.
Host names with two IPs:
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.