ceohr.com.vn - robtex.com

ceohr.com.vn

DNSSEC⚠️ Not signed
A45.252.248.20🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-VN
NSa.ns.hostvn.net ⭐
A185.136.96.112🇺🇸 CLOUDNSNET185.136.96.0/24 Cloud DNS Ltd
PTRa.ns.hostvn.net
A185.136.97.112CLOUDNSNET185.136.97.0/24 Cloud DNS Ltd
PTRa.ns.hostvn.net
NSb.ns.hostvn.net
A185.136.98.112🇺🇸 CLOUDNSNET185.136.98.0/24 Cloud DNS Ltd
PTRb.ns.hostvn.net
A185.136.99.112CLOUDNSNET185.136.99.0/24 Cloud DNS Ltd
PTRb.ns.hostvn.net
MXa.mx.hostvn.email ⭐
A2001:df6:2200:22::9001🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN
A2001:df6:2200:22::9002🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN
A103.82.198.184🇻🇳 ECONET-AS-VN103.82.198.0/24 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
PTRa-node01.gw-in.hostvn.email
A103.82.198.185🇻🇳 ECONET-AS-VN103.82.198.0/24 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
PTRa-node02.gw-in.hostvn.email
A125.212.224.185🇻🇳 VTDC-AS-VN125.212.224.0/24 VIETTEL-VN
MXb.mx.hostvn.email(5)
A2001:df6:2200:20::9001🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN
A2001:df6:2200:20::9002🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN
A2001:df6:2200:22::9999🇻🇳 ECONET-AS-VN2001:df6:2200::/48 ASVTECH-VN
A103.82.198.34🇻🇳 ECONET-AS-VN103.82.198.0/24 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
PTRb.gw-in.hostvn.email
A103.157.20.34🇻🇳 HOSTVN-VN103.157.20.0/24 GKCOMPANY-VN
PTRb-node01.gw-in.hostvn.email
A103.157.20.35🇻🇳 HOSTVN-VN103.157.20.0/24 GKCOMPANY-VN
PTRb-node02.gw-in.hostvn.email
TXTv=spf1 a mx include:_spf.hostvn.email ~all
SOAa.ns.hostvn.nethostmaster@hostvn.net 2023-03-08 #10

com.vn

DNSSEC⚠️ Not signed
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn ⚠️ Not in parent delegation
NSb.dns-servers.vn ⚠️ Not in parent delegation
NSc.dns-servers.vn ⚠️ Not in parent delegation
NSd.dns-servers.vn ⚠️ Not in parent delegation
NSe.dns-servers.vn ⚠️ Not in parent delegation
NSf.dns-servers.vn ⚠️ Not in parent delegation
NSg.dns-servers.vn ⚠️ Not in parent delegation
NSh.dns-servers.vn ⚠️ Not in parent delegation
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2022708594

Subdomains

mail.ceohr.com.vn

Same first word

ceohr.com.vn

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DNS History

10 records (5 active, 5 former)

201820192020202120222023202420252026NSa.ns.hostvn.netb.ns.hostvn.netns1.dotvndns.vnns2.dotvndns.vnnsbak.dotvndns.comMXa.mx.hostvn.emailb.mx.hostvn.emailmail.ceohr.com.vnA45.252.248.20112.213.89.38
●NSa.ns.hostvn.net2026-05-04 → 2026-05-11 · 3 obs
○ 2020-03-13 13:26:46
● 2026-05-04 22:40:54
● 2026-05-11 00:08:28
●NSb.ns.hostvn.net2026-05-04 → 2026-05-11 · 3 obs
○ 2020-03-13 13:26:46
● 2026-05-04 22:40:54
● 2026-05-11 00:08:28
○NSns1.dotvndns.vn2017-03-27 → 2020-03-13 · 4 obs
● 2017-03-27 19:24:42
● 2020-03-13 13:26:46
○ 2026-05-04 22:40:54
○ 2026-05-11 00:08:28
○NSns2.dotvndns.vn2017-03-27 → 2020-03-13 · 4 obs
● 2017-03-27 19:24:42
● 2020-03-13 13:26:46
○ 2026-05-04 22:40:54
○ 2026-05-11 00:08:28
○NSnsbak.dotvndns.com2017-03-27 → 2020-03-13 · 4 obs
● 2017-03-27 19:24:42
● 2020-03-13 13:26:46
○ 2026-05-04 22:40:54
○ 2026-05-11 00:08:28
●MXa.mx.hostvn.email2026-05-04 → 2026-05-11 · 3 obs
○ 2020-03-13 13:26:46
● 2026-05-04 22:40:54
● 2026-05-11 00:08:28
●MXb.mx.hostvn.email2026-05-04 → 2026-05-11 · 3 obs
○ 2020-03-13 13:26:46
● 2026-05-04 22:40:54
● 2026-05-11 00:08:28
○MXmail.ceohr.com.vn2017-03-27 → 2020-03-13 · 4 obs
● 2017-03-27 19:24:42
● 2020-03-13 13:26:46
○ 2026-05-04 22:40:54
○ 2026-05-11 00:08:28
○A112.213.89.382017-03-27 → 2020-03-13 · 4 obs
● 2017-03-27 19:24:42
● 2020-03-13 13:26:46
○ 2026-05-04 22:40:54
○ 2026-05-11 00:08:28
●A45.252.248.202026-05-04 → 2026-05-11 · 3 obs
○ 2020-03-13 13:26:46
● 2026-05-04 22:40:54
● 2026-05-11 00:08:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnc.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...-
ceohr.com.vna.ns.hostvn.net, b.ns.hostvn.net-

✅ Authoritative Response

Server:185.136.96.112

NS records: a.ns.hostvn.net, b.ns.hostvn.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ceohr.com.vn (unsigned zone)

⏱️ Timing

Total: 1250ms | Queries: -

📄 Records

TypeCountSample Data
A145.252.248.20
NS2a.ns.hostvn.net, b.ns.hostvn.net
MX2b.mx.hostvn.email (pri: 5), a.mx.hostvn.email (pri: 1)
TXT1v=spf1 a mx include:_spf.hostvn.email ~a
SOA1a.ns.hostvn.net hostmaster.hostvn.net

Analysis

Hierarchy

The parent of mail.ceohr.com.vn is ceohr.com.vn.

IP Addresses

ceohr.com.vn points to an IP address: 45.252.248.20.

other host names include taxininhbinh247.vn.froebelhanoi.edu.vn, blog.mtm.edu.vn, www.vatlieuxaydungqb.duoclieutuelam.vn, chuyenvanphongpham.com and lamnguyentechnic.com; they share IP numbers with ceohr.com.vn.

Name Servers

Two name servers a.ns.hostvn.net and b.ns.hostvn.net handle the delegation for ceohr.com.vn.

ceohr.com.vn shares the same name server setup as other domains, for instance phuonghoangachau.vn, midlandrubber.vn, caulacbotienganh.vn, xebuytchulai.com and phuongtrangwindow.com.

ceohr.com.vn shares name servers with other domains at least partially, for instance thanhoattinhtad.com, laptrinhcuocsong.com, zebratech.vn and uni-fine.com.

These name servers are commonly used with the following: ns1.anycast.vn, ns2.anycast.vn, ns3.anycast.vn and ns4.anycast.vn.

Host names with two IP numbers:

a.ns.hostvn.net points to 185.136.96.112 and 185.136.97.112.

b.ns.hostvn.net points to 185.136.98.112 and 185.136.99.112.

Mail Servers

ceohr.com.vn is handled by two mail servers: a.mx.hostvn.email and b.mx.hostvn.email.

ceohr.com.vn uses the same mail server setup as other domains, for instance thegioidienanh.vn, maychunamviet.vn, phuhaico.vn, toyotahadong.com.vn and thuongshyn.vn.

ceohr.com.vn shares at least partially some mail servers with other domains, for instance atvinlift.com, viar.gov.vn, viendetmayhochiminh.org.vn, vanchuyen24h.vn and diennuochp.com.vn.

Six IPs:

b.mx.hostvn.email points to: 2001:df6:2200:20::9001, 2001:df6:2200:20::9002, 2001:df6:2200:22::9999, 103.82.198.34, 103.157.20.34 and 103.157.20.35.

Five IPs:

a.mx.hostvn.email points to: 2001:df6:2200:22::9001, 2001:df6:2200:22::9002, 103.82.198.184, 103.82.198.185 and 125.212.224.185.