dobc.vn - robtex.com

dobc.vn

DNSSEC⚠️ Not signed
A15.235.229.7🇸🇬 OVH15.235.128.0/17 Hosting route
PTRns5038220.ip-15-235-229.net
NSns1.zonedns.vn ⭐
A2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix
A64.176.84.220🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix
PTRns1.zonedns.vn
NSns2.zonedns.vn
A2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix
A103.176.178.51🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN
NSns3.zonedns.vn
A2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN
A103.28.36.30🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN
NSns4.zonedns.vn
A2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN
A103.28.39.159🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN
MXdobc-vn.mail.protection.outlook.com ⭐
MXpro63.emailserver.vn(10)
A103.110.129.163🇻🇳 AXYS-VN103.110.128.0/23
PTRpro63.emailserver.vn
TXTMS=ms45048413
TXTv=spf1 mx include:emailserver.vn include:spf.protection.outlook.com -all
SOAns1.zonedns.vnroot@dobc.vn 2025-06-20 #5

vn

DNSSEC🔒 Signed (DS record present)
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn
NSb.dns-servers.vn
NSc.dns-servers.vn
NSd.dns-servers.vn
NSe.dns-servers.vn
NSf.dns-servers.vn
NSg.dns-servers.vn
NSh.dns-servers.vn
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2030750263

Subdomains

mail.dobc.vn

Same first word

dobc.de
dobc.us
dobc.com
dobc.ca
dobc.vn
dobc.org
dobc.net

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bocd.net

DNS History

7 records (7 active, 0 former)

NSns1.zonedns.vnns2.zonedns.vnns3.zonedns.vnns4.zonedns.vnMXdobc-vn.mail.protection.outlook.compro63.emailserver.vnA15.235.229.7
●NSns1.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 07:14:32
● 2026-05-09 02:59:58
●NSns2.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 07:14:32
● 2026-05-09 02:59:58
●NSns3.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 07:14:32
● 2026-05-09 02:59:58
●NSns4.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 07:14:32
● 2026-05-09 02:59:58
●MXdobc-vn.mail.protection.outlook.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 07:14:32
● 2026-05-09 02:59:58
●MXpro63.emailserver.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 07:14:32
● 2026-05-09 02:59:58
●A15.235.229.72026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 07:14:32
● 2026-05-09 02:59:58

🔍 DNS Trace

Analysis

Hierarchy

dobc.vn is a parent of mail.dobc.vn.

IP Addresses

dobc.vn points to a single IP address: 15.235.229.7.

Other host names such as a30ec23e-6cdf-4788-9038-ef457812d2bc.bctech.edu.vn, www.intourcoresort.com, bb.ccc.dddd.bctech.edu.vn, unbounce.bctech.edu.vn and minhviet-ec.com share IP numbers with dobc.vn.

Name Servers

dobc.vn is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.

At least part of the name servers for dobc.vn are shared with other domains, for instance mac99.vn, xuonggiang.edu.vn, thaocomputer.vn, caodanglongbien.vn and vnfaq.com.

These name servers are commonly used alongside ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.

Two IPs per host

ns1.zonedns.vn points to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 64.176.84.220

ns2.zonedns.vn points to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 103.176.178.51

ns3.zonedns.vn points to 2001:df1:3200::15 and 103.28.36.30

ns4.zonedns.vn points to 2001:df1:3200::15 and 103.28.39.159

Hosts pointing to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn

Hosts pointing to 2001:df1:3200::15: ns3.zonedns.vn and ns4.zonedns.vn

Mail Servers

dobc.vn is handled by two mail servers: pro63.emailserver.vn and dobc-vn.mail.protection.outlook.com.

dobc.vn shares at least some mail servers with other domains, for example chuyendoisocongthuong.gov.vn, cisi.vn, haiants.vn, spaphuquoc.com and hfs.com.vn.

Host names with a single IP: pro63.emailserver.vn resolves to 103.110.129.163.