caosumanhtien.com - robtex.com

caosumanhtien.com

DNSSEC⚠️ Not signed
A113.160.106.38🇻🇳 VTN-1113.160.96.0/20 VNPT-Net
PTRstatic.vnpt.vn
NSnsbak.pavietnam.net ⭐
A2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRnsbak.dotvndns.com
A112.213.89.22🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRns8922.dotvndns.vn
NSns1.dotvndns.vn
A2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns1.dotvndns.vn
A112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRns1.dotvndns.vn
NSns2.dotvndns.vn
A2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns2.dotvndns.vn
A222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT
PTRstatic.vdc.vn
PTRstatic.vnpt.vn
NSns3.dotvndns.vn
A112.213.89.22🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRns8922.dotvndns.vn
NSnsbak.dotvndns.com
A2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRnsbak.dotvndns.com
A112.213.89.22🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRns8922.dotvndns.vn
MXmail.caosumanhtien.com ⭐
A113.160.106.38🇻🇳 VTN-1113.160.96.0/20 VNPT-Net
PTRstatic.vnpt.vn
TXTv=spf1 a mx ~all
SOAnsbak.pavietnam.nethostmaster@caosumanhtien.com 2025-08-23 #13

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778393556

Subdomains

mail.caosumanhtien.com

Same first word

caosumanhtien.com

DNS History

10 records (7 active, 3 former)

202120222023202420252026NSns1.dotvndns.vnns2.dotvndns.vnns3.dotvndns.vnnsbak.dotvndns.comnsbak.pavietnam.netns1.pavietnam.vnns2.pavietnam.vnMXmail.caosumanhtien.comA113.160.106.38103.56.157.218
●NSns1.dotvndns.vn2020-01-10 → 2026-05-10 · 2 obs
● 2020-01-10 13:16:42
● 2026-05-10 06:36:10
○NSns1.pavietnam.vn2020-01-10 → 2020-01-10 · 3 obs
● 2020-01-10 13:16:42
○ 2026-04-12 00:02:10
○ 2026-05-10 06:36:10
●NSns2.dotvndns.vn2026-04-12 → 2026-05-10 · 3 obs
○ 2020-01-10 13:16:42
● 2026-04-12 00:02:10
● 2026-05-10 06:36:10
○NSns2.pavietnam.vn2020-01-10 → 2020-01-10 · 3 obs
● 2020-01-10 13:16:42
○ 2026-04-12 00:02:10
○ 2026-05-10 06:36:10
●NSns3.dotvndns.vn2026-04-12 → 2026-05-10 · 3 obs
○ 2020-01-10 13:16:42
● 2026-04-12 00:02:10
● 2026-05-10 06:36:10
●NSnsbak.dotvndns.com2026-04-12 → 2026-05-10 · 3 obs
○ 2020-01-10 13:16:42
● 2026-04-12 00:02:10
● 2026-05-10 06:36:10
●NSnsbak.pavietnam.net2020-01-10 → 2026-05-10 · 2 obs
● 2020-01-10 13:16:42
● 2026-05-10 06:36:10
●MXmail.caosumanhtien.com2026-04-12 → 2026-05-10 · 2 obs
● 2026-04-12 00:02:10
● 2026-05-10 06:36:10
○A103.56.157.2182020-01-10 → 2020-01-10 · 3 obs
● 2020-01-10 13:16:42
○ 2026-04-12 00:02:10
○ 2026-05-10 06:36:10
●A113.160.106.382026-04-12 → 2026-05-10 · 3 obs
○ 2020-01-10 13:16:42
● 2026-04-12 00:02:10
● 2026-05-10 06:36:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net...-
caosumanhtien.comnsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn2 records

✅ Authoritative Response

Server:112.213.89.22

NS records: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for caosumanhtien.com (unsigned zone)

⏱️ Timing

Total: 2174ms | Queries: -

📄 Records

TypeCountSample Data
A1113.160.106.38
NS4ns3.dotvndns.vn, ns2.dotvndns.vn...
MX1mail.caosumanhtien.com (pri: 10)
TXT1v=spf1 a mx ~all
SOA1nsbak.pavietnam.net hostmaster.caosumanh

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (nsbak.dotvndns.com, nsbak.dotvndns.com)

Analysis

Hierarchy

caosumanhtien.com is a parent of mail.caosumanhtien.com.

IP Addresses

caosumanhtien.com points to a single IP number: 113.160.106.38.

Other host names, for instance mail.quoctesannhihaiphong.vn, mail.caosumanhtien.com, cnet.edu.vn, dakhoa.hangkenh.vn and ztech.com.vn share IP numbers with caosumanhtien.com.

Name Servers

caosumanhtien.com is delegated to five name servers: nsbak.dotvndns.com, nsbak.pavietnam.net, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.

caosumanhtien.com at least partially shares name servers with other domains, for instance dichvuvisa247.vn, onepower.vn, masamoto.com.vn, hqhair.com.vn and tunart.vn.

these name servers are commonly used with ns1.pavietnam.vn, ns2.pavietnam.vn and ns4.dotvndns.vn.

Two IP numbers:

nsbak.dotvndns.com points to: 2406:9c80::9000:302 and 112.213.89.22

nsbak.pavietnam.net points to: 2406:9c80::9000:302 and 112.213.89.22

ns1.dotvndns.vn points to: 2406:9c80::66 and 112.213.89.3

ns2.dotvndns.vn points to: 2406:9c80::9000:111 and 222.255.121.247

One IP number:

ns3.dotvndns.vn points to: 112.213.89.22

Hosts pointing to 2406:9c80::9000:302: nsbak.dotvndns.com and nsbak.pavietnam.net

Hosts pointing to 112.213.89.22: nsbak.dotvndns.com and nsbak.pavietnam.net and ns3.dotvndns.vn

Mail Servers

caosumanhtien.com is handled by a single mail server, mail.caosumanhtien.com.

mail.caosumanhtien.com points to a single IP: 113.160.106.38.