chamhoc.com - robtex.com
chamhoc.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.matbao.com ⭐ | ||||||
| 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.com | ||||||
| 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 | ||||||
| SOA | ns1.matbao.comadmin@matbao.com 2025-10-08 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778310776 | ||||||
Same first word
Similar names
DNS History
14 records (2 active, 12 former)
○NSdiva.ns.cloudflare.com2017-01-13 → 2017-01-13 · 4 obs
● 2017-01-13 01:48:42
○ 2026-03-15 00:53:12
○ 2026-05-09 07:37:18
○NSearl.ns.cloudflare.com2017-01-13 → 2017-01-13 · 4 obs
● 2017-01-13 01:48:42
○ 2026-03-15 00:53:12
○ 2026-05-09 07:37:18
●NSns1.matbao.com2026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 00:53:12
● 2026-05-09 07:37:18
●NSns2.matbao.com2026-03-15 → 2026-05-09 · 3 obs
● 2026-03-15 00:53:12
● 2026-05-09 07:37:18
○NSns67.domaincontrol.com2015-08-21 → 2016-05-25 · 4 obs
● 2016-05-25 06:44:20
○ 2017-01-13 01:48:42
○ 2026-05-09 07:37:18
○NSns68.domaincontrol.com2015-08-21 → 2016-05-25 · 4 obs
● 2016-05-25 06:44:20
○ 2017-01-13 01:48:42
○ 2026-05-09 07:37:18
○MX5359759439816013047.pamx1.hotmail.com2015-08-21 → 2015-12-17 · 4 obs
● 2015-12-17 11:51:16
○ 2016-03-16 04:56:00
○ 2026-05-09 07:37:18
○MXalt1.aspmx.l.google.com2016-03-16 → 2016-05-25 · 5 obs
● 2016-03-16 04:56:00
● 2016-05-25 06:44:20
○ 2017-01-13 01:48:42
○ 2026-05-09 07:37:18
○MXalt2.aspmx.l.google.com2016-03-16 → 2016-05-25 · 5 obs
● 2016-03-16 04:56:00
● 2016-05-25 06:44:20
○ 2017-01-13 01:48:42
○ 2026-05-09 07:37:18
○MXaspmx.l.google.com2016-03-16 → 2016-05-25 · 5 obs
● 2016-03-16 04:56:00
● 2016-05-25 06:44:20
○ 2017-01-13 01:48:42
○ 2026-05-09 07:37:18
○MXaspmx2.googlemail.com2016-03-16 → 2016-05-25 · 5 obs
● 2016-03-16 04:56:00
● 2016-05-25 06:44:20
○ 2017-01-13 01:48:42
○ 2026-05-09 07:37:18
○MXaspmx3.googlemail.com2016-03-16 → 2016-05-25 · 5 obs
● 2016-03-16 04:56:00
● 2016-05-25 06:44:20
○ 2017-01-13 01:48:42
○ 2026-05-09 07:37:18
○A103.227.176.82017-01-13 → 2017-01-13 · 4 obs
● 2017-01-13 01:48:42
○ 2026-03-15 00:53:12
○ 2026-05-09 07:37:18
○A23.229.131.1632015-08-21 → 2016-05-25 · 4 obs
● 2016-05-25 06:44:20
○ 2017-01-13 01:48:42
○ 2026-05-09 07:37:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| chamhoc.com | ns1.matbao.com, ns2.matbao.com | 4 records |
✅ Authoritative Response
Server:103.110.128.60
NS records: ns1.matbao.com, ns2.matbao.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1109ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.matbao.com, ns1.matbao.com |
| SOA | 1 | ns1.matbao.com admin.matbao.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.matbao.com, ns1.matbao.com, ns2.matbao.com...)
Analysis
Name Servers
Delegation for chamhoc.com rests with two name servers, ns1.matbao.com and ns2.matbao.com.
chamhoc.com shares the same name server setup as other domains, including onefinething.click, namkhanhsolution.com, bachhoaphongphu.com, webdanseo.com and hshkid.com.
chamhoc.com at least partially shares name servers with other domains, for instance namhungteam.com, khoancoc.com, bmwhcmc.vn, giaykimthanh.net and duhoctienganhphilippines.com.
These name servers are commonly used alongside ns1.matbao.vn, ns2.matbao.vn, ns3.matbao.vn and ns4.matbao.vn.
Host names with two IP numbers: ns1.matbao.com points to 13.250.228.99 and 103.110.128.60; ns2.matbao.com points to 35.198.203.127 and 103.138.89.11.