openstem.vn - robtex.com
openstem.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 35.219.201.40🇺🇸 MEEBO135.216.0.0/14 Google | ||||||
| PTR | 40.201.219.35.bc.googleusercontent.com | ||||||
| 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 | fah-claim=00b-02-e4150f08-62c7-4a81-a0c1-4f1356eea7f7 | ||||||
| SOA | ns1.matbao.vnadmin@matbao.com 2026-04-21 #4 | ||||||
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=2030743774 | ||||||
Same first word
Similar names
DNS History
11 records (3 active, 8 former)
○NSns-115.awsdns-14.com2019-12-25 → 2019-12-25 · 3 obs
○ 2026-05-02 23:36:06
○ 2026-05-07 15:20:30
○NSns-1522.awsdns-62.org2019-12-25 → 2019-12-25 · 3 obs
○ 2026-05-02 23:36:06
○ 2026-05-07 15:20:30
○NSns-1639.awsdns-12.co.uk2019-12-25 → 2019-12-25 · 3 obs
○ 2026-05-02 23:36:06
○ 2026-05-07 15:20:30
○NSns-589.awsdns-09.net2019-12-25 → 2019-12-25 · 3 obs
○ 2026-05-02 23:36:06
○ 2026-05-07 15:20:30
●NSns1.matbao.vn2026-05-02 → 2026-05-07 · 3 obs
● 2026-05-02 23:36:06
● 2026-05-07 15:20:30
●NSns2.matbao.vn2026-05-02 → 2026-05-07 · 3 obs
● 2026-05-02 23:36:06
● 2026-05-07 15:20:30
○A13.33.44.112019-12-25 → 2019-12-25 · 3 obs
○ 2026-05-02 23:36:06
○ 2026-05-07 15:20:30
○A13.33.44.1642019-12-25 → 2019-12-25 · 3 obs
○ 2026-05-02 23:36:06
○ 2026-05-07 15:20:30
○A13.33.44.1672019-12-25 → 2019-12-25 · 3 obs
○ 2026-05-02 23:36:06
○ 2026-05-07 15:20:30
○A13.33.44.652019-12-25 → 2019-12-25 · 3 obs
○ 2026-05-02 23:36:06
○ 2026-05-07 15:20:30
●A35.219.201.402026-05-02 → 2026-05-07 · 3 obs
● 2026-05-02 23:36:06
● 2026-05-07 15:20:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | b.dns-servers.vn, a.dns-servers.vn, f.dns-servers.vn, d.dns-servers.vn... | 15 records |
| openstem.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 openstem.vn (unsigned zone)
⏱️ Timing
Total: 1390ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 35.219.201.40 |
| NS | 2 | ns1.matbao.vn, ns2.matbao.vn |
| TXT | 1 | fah-claim=00b-02-e4150f08-62c7-4a81-a0c1 |
| SOA | 1 | ns1.matbao.vn admin.matbao.com |
📌 Glue Records Collected
Total: 17
In-bailiwick: 15 (a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn...)
Out-of-bailiwick: 2 (ns1.matbao.vn, ns2.matbao.vn)
Analysis
IP Addresses
openstem.vn points to a single IP number: 35.219.201.40.
Other host names, for instance allhire.com, 40.201.219.35.bc.googleusercontent.com, travelunbounded.com and docski.com share IP numbers with openstem.vn.
Name Servers
openstem.vn is delegated to two name servers: ns1.matbao.vn and ns2.matbao.vn.
openstem.vn shares the same name server setup as other domains, for example sicola.vn, olalabe.vn, mayrai.vn, fugashin.com.vn and qfs.vn.
openstem.vn at least partially shares name servers with other domains, for instance sieuthithegioinoithat.vn, intesasanpaolo.com.vn, idj.com.vn, chevrolethaiphong.net and jone.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 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