caothangtech.com - robtex.com
caothangtech.com
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=1774382122 | ||||||
Same first word
caothangtech.com |
Similar names
DNS History
17 records (8 active, 9 former)
○NSns1.dotvndns.vn2015-07-14 → 2020-01-05 · 8 obs
○ 2015-12-04 05:20:38
● 2016-03-14 20:54:46
○ 2016-07-04 21:59:46
● 2017-03-13 03:15:54
● 2020-01-05 07:14:56
○ 2026-03-14 17:41:06
○ 2026-03-24 20:00:50
●NSns1.matbao.com2026-03-14 → 2026-03-24 · 3 obs
● 2026-03-14 17:41:06
● 2026-03-24 20:00:50
○NSns1.pavietnam.vn2015-12-04 → 2016-07-04 · 6 obs
● 2015-12-04 05:20:38
○ 2016-03-14 20:54:46
● 2016-07-04 21:59:46
○ 2017-03-13 03:15:54
○ 2026-03-24 20:00:50
○NSns2.dotvndns.vn2015-07-14 → 2020-01-05 · 8 obs
○ 2015-12-04 05:20:38
● 2016-03-14 20:54:46
○ 2016-07-04 21:59:46
● 2017-03-13 03:15:54
● 2020-01-05 07:14:56
○ 2026-03-14 17:41:06
○ 2026-03-24 20:00:50
●NSns2.matbao.com2026-03-14 → 2026-03-24 · 3 obs
● 2026-03-14 17:41:06
● 2026-03-24 20:00:50
○NSns2.pavietnam.vn2015-12-04 → 2016-07-04 · 6 obs
● 2015-12-04 05:20:38
○ 2016-03-14 20:54:46
● 2016-07-04 21:59:46
○ 2017-03-13 03:15:54
○ 2026-03-24 20:00:50
○NSnsbak.pavietnam.net2015-12-04 → 2016-07-04 · 6 obs
● 2015-12-04 05:20:38
○ 2016-03-14 20:54:46
● 2016-07-04 21:59:46
○ 2017-03-13 03:15:54
○ 2026-03-24 20:00:50
○MX3mmbktyfwaw5d54chxsyvd6bragoz25zpjintg46orfydva5ynda.mx-verification.google.com2020-01-05 → 2020-01-05 · 3 obs
○ 2026-03-14 17:41:06
○ 2026-03-24 20:00:50
●MXalt1.aspmx.l.google.com2020-01-05 → 2026-03-24 · 2 obs
● 2026-03-24 20:00:50
●MXalt2.aspmx.l.google.com2020-01-05 → 2026-03-24 · 2 obs
● 2026-03-24 20:00:50
●MXalt3.aspmx.l.google.com2020-01-05 → 2026-03-24 · 2 obs
● 2026-03-24 20:00:50
●MXalt4.aspmx.l.google.com2020-01-05 → 2026-03-24 · 2 obs
● 2026-03-24 20:00:50
●MXaspmx.l.google.com2020-01-05 → 2026-03-24 · 2 obs
● 2026-03-24 20:00:50
○A103.24.244.992015-07-14 → 2016-07-04 · 4 obs
● 2016-07-04 21:59:46
○ 2017-03-13 03:15:54
○ 2026-03-24 20:00:50
●A157.119.249.812026-03-14 → 2026-03-24 · 3 obs
● 2026-03-14 17:41:06
● 2026-03-24 20:00:50
○A210.211.119.1542017-03-13 → 2017-03-13 · 4 obs
● 2017-03-13 03:15:54
○ 2020-01-05 07:14:56
○ 2026-03-24 20:00:50
○A210.211.119.1682020-01-05 → 2020-01-05 · 4 obs
● 2020-01-05 07:14:56
○ 2026-03-14 17:41:06
○ 2026-03-24 20:00:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| caothangtech.com | ns1.matbao.com, ns2.matbao.com | 4 records |
✅ Authoritative Response
Server:103.138.89.11
NS records: ns1.matbao.com, ns2.matbao.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for caothangtech.com (unsigned zone)
⏱️ Timing
Total: 658ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.119.249.81 |
| NS | 2 | ns1.matbao.com, ns2.matbao.com |
| MX | 5 | ALT2.ASPMX.L.GOOGLE.com (pri: 5), ALT4.ASPMX.L.GOOGLE.com (pri: 10)... |
| TXT | 2 | v=spf1 include:_spf.google.com ~all, google-site-verification=uZIWHzw19K5uCqY |
| 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
IP Addresses
caothangtech.com maps to IP address 157.119.249.81.
Other host names, for instance www.bifa.vn, fico.com.vn, vids.vn, banmaischool.vn and bifa.vn share IP numbers with caothangtech.com.
Name Servers
Two name servers ns1.matbao.com and ns2.matbao.com are delegated to caothangtech.com.
caothangtech.com uses the same name server configuration as other domains, such as mocchay.net, phanphoisolar.com, presidentpark.net, lejardin.com.vn and dennangluongpha.com.
caothangtech.com at least partially shares name servers with other domains such as baothach.com, benhvienvietduc.org, quatanghoanglong.com, poste-kh.com and phuthaitech.com.
These name servers are often used together with ns1.matbao.vn, ns2.matbao.vn, ns-bak.matbao.com, ns1.digipowerdns.com, ns2.digipowerdns.com, ns3.digipowerdns.com, ns4.digipowerdns.com, ns3.matbao.com and ns4.matbao.com.
Host names with two IPs:
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.
Mail Servers
caothangtech.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
caothangtech.com shares mail servers with other domains at least in part, for instance ns500758.ns500698.ns500759.ns500758.ns500736.ns500736.ns500735.ns500576.ns500576.ns500576.ns500619.ns500652.trackreceptor.com, ns500734.ns500693.ns500734.ns500699.ns500693.ns500699.ns500699.ns500693.ns500693.ns500632.ns500612.ns500612.ns500612.ns500612.ns500588.ns500588.dtrkdll.com, ns500731.ns500731.ns500731.ns500754.ns500742.ns500688.ns500671.ns500678.ns500704.ns500688.ns500291.tenderladiesbz.com, ns500698.ns500758.ns500759.ns500735.ns500576.ns500576.ns500698.ns500576.ns500619.ns500652.ns500619.ns500619.ns500652.tracksymphony.com and ns500754.ns500671.ns500742.ns500731.ns500705.ns500705.ns500678.ns500688.ns500678.ns500649.ns500666.ns500653.ns500153.tenderladiesbz.com.
These mail servers are often used together with aspmx3.googlemail.com, aspmx2.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Two IPs per host name:
aspmx.l.google.com points to: 2a00:1450:400c:c06::1a and 142.251.168.27
alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.26
alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.26
alt3.aspmx.l.google.com points to: 2607:f8b0:4023:3003::1b and 172.253.145.26
alt4.aspmx.l.google.com points to: 2607:f8b0:4003:c4a::1a and 142.251.96.27
Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)