nbb.edu.vn - robtex.com
nbb.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.92.4.97🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| 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 | ssl.emailserver.vn ⭐ | ||||||
| A | 203.171.31.205🇻🇳 CMC-1203.171.31.0/24 CMCTELECOM-VN | ||||||
| PTR | static.cmcti.vn | ||||||
| TXT | facebook-domain-verification=0c41icqd52dwxk3x7lie8cvsknoahg | ||||||
| SOA | ns1.matbao.vnadmin@matbao.com 2023-03-10 #6 | ||||||
edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | b.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | c.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | d.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | e.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | f.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | g.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | h.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2018564641 | ||||||
Subdomains
m.nbb.edu.vn |
autodiscover.nbb.edu.vn |
toqmzcpcalendars.nbb.edu.vn |
oxybzcoachtrang.nbb.edu.vn |
60dee2b9-cc63-4866-8d38-ec0e20fbd147.nbb.edu.vn |
dddd.nbb.edu.vn |
www.nbb.edu.vn |
uqerbwebmail.nbb.edu.vn |
coachtrang.nbb.edu.vn |
dicvu.nbb.edu.vn |
nlpteen.nbb.edu.vn |
cpcalendars.nbb.edu.vn |
smtp.nbb.edu.vn |
cpcontacts.nbb.edu.vn |
qilgboxybzcoachtrang.nbb.edu.vn |
webmail.nbb.edu.vn |
webdisk.nbb.edu.vn |
website.nbb.edu.vn |
ggkjgwebmail.nbb.edu.vn |
cpanel.nbb.edu.vn |
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
○NSns1.matbao.com2020-03-15 → 2020-03-15 · 3 obs
○ 2026-05-01 02:12:14
○ 2026-05-09 15:23:50
●NSns1.matbao.vn2026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 02:12:14
● 2026-05-09 15:23:50
○NSns2.matbao.com2020-03-15 → 2020-03-15 · 3 obs
○ 2026-05-01 02:12:14
○ 2026-05-09 15:23:50
●NSns2.matbao.vn2026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 02:12:14
● 2026-05-09 15:23:50
○MXmail.nbb.edu.vn2020-03-15 → 2020-03-15 · 3 obs
○ 2026-05-01 02:12:14
○ 2026-05-09 15:23:50
●MXssl.emailserver.vn2026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 02:12:14
● 2026-05-09 15:23:50
○A118.69.80.362020-03-15 → 2020-03-15 · 3 obs
○ 2026-05-01 02:12:14
○ 2026-05-09 15:23:50
●A202.92.4.972026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 02:12:14
● 2026-05-09 15:23:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| nbb.edu.vn | ns2.matbao.vn, ns1.matbao.vn | - |
✅ Authoritative Response
Server:35.198.203.127
NS records: ns2.matbao.vn, ns1.matbao.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nbb.edu.vn (unsigned zone)
⏱️ Timing
Total: 1447ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.92.4.97 |
| NS | 2 | ns2.matbao.vn, ns1.matbao.vn |
| MX | 1 | ssl.emailserver.vn (pri: 10) |
| TXT | 1 | facebook-domain-verification=0c41icqd52d |
| SOA | 1 | ns1.matbao.vn admin.matbao.com |
Analysis
Hierarchy
nbb.edu.vn is the parent of m.nbb.edu.vn, autodiscover.nbb.edu.vn, toqmzcpcalendars.nbb.edu.vn, oxybzcoachtrang.nbb.edu.vn, 60dee2b9-cc63-4866-8d38-ec0e20fbd147.nbb.edu.vn and a few other host names.
IP Addresses
nbb.edu.vn resolves to one IP number: 202.92.4.97.
other host names including autodiscover.deermatech.vn, yhoctaisinh.com, fqbeauty.com.vn, hoalu.ninhbinh.gov.vn and mail.anthanhtravel.com share IP numbers with nbb.edu.vn.
Name Servers
nbb.edu.vn is delegated to two name servers ns1.matbao.vn and ns2.matbao.vn.
nbb.edu.vn shares the same name server setup as other domains, for instance dichvuseotphcm.vn, seyi.vn, ppacademy.vn, admino.vn and kara.vn.
nbb.edu.vn at least partially shares name servers with other domains, for instance dichvuketoanbienhoa.com, inews.vn, trungtamphantichchungnhanhanoi.gov.vn, gianhat.vn and baophat.vn.
These name servers are commonly used with ns1.matbao.com, ns2.matbao.com, ns-bak.matbao.com, ns3.matbao.vn and ns4.matbao.vn.
Host names with two IP numbers:
The host name ns1.matbao.vn points to 13.250.228.99 and 103.110.128.60; the host name ns2.matbao.vn points to 35.198.203.127 and 103.138.89.11.
Mail Servers
nbb.edu.vn is handled by a single mail server, ssl.emailserver.vn.
nbb.edu.vn shares the same mail server setup as other domains, for instance laptoptragop.vn, a-on.vn, phongkhamhoangtuan.vn, geelab.vn and evnhaiphong.vn.
nbb.edu.vn shares some mail servers with other domains, at least partially, for example tecwood.com.vn and yutang.vn.
ssl.emailserver.vn resolves to IP 203.171.31.205.