oi.com.vn - robtex.com

oi.com.vn

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:cbef🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:2cd9🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.44.217Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.203.239🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnolan.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c38🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnolan.ns.cloudflare.com
A2803:f800:50::6ca2:c338🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnolan.ns.cloudflare.com
A2a06:98c1:50::ac40:2338🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnolan.ns.cloudflare.com
A108.162.195.56🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.44.56Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.35.56🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSstephane.ns.cloudflare.com
A2606:4700:50::a29f:2670🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstephane.ns.cloudflare.com
A2803:f800:50::6ca2:c270🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRstephane.ns.cloudflare.com
A2a06:98c1:50::ac40:2270🇺🇸 Cloudflare2a06:98c1:50::/45
PTRstephane.ns.cloudflare.com
A108.162.194.112🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstephane.ns.cloudflare.com
A162.159.38.112Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstephane.ns.cloudflare.com
A172.64.34.112🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRstephane.ns.cloudflare.com
MXmx1.larksuite.com ⭐
A18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
MXmx2.larksuite.com(5)
A18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
MXmx3.larksuite.com(10)
A18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
A101.126.58.223🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.230.154🇨🇳 CHINAMOBILE-CN122.14.224.0/20
TXTgoogle-site-verification=U-1pPB8eFt647Lk6wmFIQI9ae8Lgc1p-IKDdKnp3AGQ
TXTv=spf1 +include:spf.onlarksuite.com -all
TXTverification-code-site-App_lark=BiOUFrCpJtLq1NdWS5Yf
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.44.217, 172.67.203.239
IPv6 hints2606:4700:3031::ac43:cbef, 2606:4700:3037::6815:2cd9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=114, name=cloudflare-ech.com
SOAnolan.ns.cloudflare.comdns@cloudflare.com serial=2409834421

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=2022820553

Subdomains

vps.oi.com.vn

Same first word

oi.cx
oi.digital
oi.lt
oi.xyz
oi.in.ua
oi.wtf
oi.my
oi.no
oi.com.vn
oi.delivery
oi.cc
oi.co.za
oi.dk
oi.org
oi.ca
oi.fyi
oi.se
oi.ro
oi.co.id
oi.game
oi.vg
oi.com.hk
oi.sk
oi.net
oi.edu.eg
oi.kz
oi.rs
oi.to
oi.al
oi.mg
oi.co
oi.company
oi.biz
oi.hk
oi.uz
oi.vc
oi.com.ua
oi.edu.pl
oi.cl
oi.app
oi.email
oi.chat
oi.be
oi.waw.pl
oi.com.au
oi.run
oi.edu.sg
oi.ru
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oi.fi
oi.ie
oi.uy
oi.co.zw
oi.nl
oi.hu
oi.st
oi.business
oi.su
oi.la
oi.plus
oi.co.kr
oi.com.br
oi.ae
oi.org.mk
oi.ms
oi.net.br
oi.academy
oi.ag
oi.is
oi.de
oi.ee
oi.je
oi.com
oi.ma
oi.com.pl
oi.by
oi.cz
oi.lv

Similar names

io.ngrok.io
io.net
io.google
io.s3-website-eu-west-1.amazonaws.com
io.fr
io.events
io.systems
io.nl
io.net.nz
io.lu
io.co.nz
io.ge
io.com.au
io.watch
io.global.prod.fastly.net
io.fm
io.ru
io.s3-website.ap-south-1.amazonaws.com
io.su
io.io
io.sh
io.blogspot.com
io.com.my
io.je
io.art.br
io.sx.cn
io.s3-us-east-2.amazonaws.com
io.fi
io
io.pa
io.rs
io.gt
io.wtf
io.st
io.com
io.fox
io.ae
io.house
io.gs
io.vg
io.lt
io.co.uk
io.kommune.no
io.gd
io.ki
io.gl
io.readthedocs.io
io.cn
io.s3-website.eu-west-2.amazonaws.com
io.technology
io.city
io.com.es
io.domains
io.s3-website-us-west-1.amazonaws.com
io.games
io.cm
io.lv
io.no
io.web.tr
io.is
io.ws
io.ee
io.s3-website.us-east-2.amazonaws.com
io.company
io.solutions
io.me
io.net.pl
io.la
io.mk
io.s3-website-ap-northeast-1.amazonaws.com
io.net.eu.org
io.co.kr
io.com.tr
io.dev
io.ngrok.dev
io.s3-website-us-west-2.amazonaws.com
io.clinic
io.com.tw
io.security
io.farm
io.ac.nz
io.nu
io.nz
io.tl
io.cl
io.hu
io.lol
io.org.br
io.pl
io.software
io.builders
io.net.ua
io.tt
io.kz
io.ke
io.waw.pl
io.ac
io.to
io.kr
io.hn
io.org
io.s3.ap-south-1.amazonaws.com
io.s3.eu-west-3.amazonaws.com
io.edu.mx
io.hr
io.s3-website.ap-northeast-2.amazonaws.com
io.dk
io.co.za
io.co
io.gliwice.pl
io.vn
io.uy
io.com.ua
io.github.io
io.fish
io.s3.ap-northeast-2.amazonaws.com
io.s3-website-us-east-1.amazonaws.com
io.de
io.inf.br
io.com.mx

DNS History

17 records (9 active, 8 former)

NSnolan.ns.cloudflare.comstephane.ns.cloudflare.comMXmx1.larksuite.commx2.larksuite.commx3.larksuite.comA104.21.44.217172.67.203.2392606:4700:3031::ac43:cbef2606:4700:3037::6815:2cd9188.114.96.0188.114.96.4188.114.97.0188.114.97.42a06:98c1:3120::2a06:98c1:3120::42a06:98c1:3121::2a06:98c1:3121::4
●NSnolan.ns.cloudflare.com2026-07-08 → 2026-07-25 · 2 obs
● 2026-07-08 23:37:28
● 2026-07-25 04:21:04
●NSstephane.ns.cloudflare.com2026-07-08 → 2026-07-25 · 2 obs
● 2026-07-08 23:37:28
● 2026-07-25 04:21:04
●MXmx1.larksuite.com2026-07-08 → 2026-07-25 · 2 obs
● 2026-07-08 23:37:28
● 2026-07-25 04:21:04
●MXmx2.larksuite.com2026-07-08 → 2026-07-25 · 2 obs
● 2026-07-08 23:37:28
● 2026-07-25 04:21:04
●MXmx3.larksuite.com2026-07-08 → 2026-07-25 · 2 obs
● 2026-07-08 23:37:28
● 2026-07-25 04:21:04
●A104.21.44.2172026-07-08 → 2026-07-25 · 6 obs
● 2026-07-08 23:37:28
○ 2026-07-13 08:48:58
● 2026-07-14 23:47:40
○ 2026-07-20 04:21:22
● 2026-07-22 12:05:34
● 2026-07-25 04:21:04
●A172.67.203.2392026-07-08 → 2026-07-25 · 6 obs
● 2026-07-08 23:37:28
○ 2026-07-13 08:48:58
● 2026-07-14 23:47:40
○ 2026-07-20 04:21:22
● 2026-07-22 12:05:34
● 2026-07-25 04:21:04
○A188.114.96.02026-07-13 → 2026-07-20 · 6 obs
○ 2026-07-08 23:37:28
● 2026-07-13 08:48:58
○ 2026-07-14 23:47:40
● 2026-07-20 04:53:38
○ 2026-07-22 12:05:34
○ 2026-07-25 04:21:04
○A188.114.96.42026-07-20 → 2026-07-20 · 4 obs
○ 2026-07-14 23:47:40
● 2026-07-20 04:21:22
○ 2026-07-20 04:53:38
○ 2026-07-25 04:21:04
○A188.114.97.02026-07-13 → 2026-07-20 · 6 obs
○ 2026-07-08 23:37:28
● 2026-07-13 08:48:58
○ 2026-07-14 23:47:40
● 2026-07-20 04:53:38
○ 2026-07-22 12:05:34
○ 2026-07-25 04:21:04
○A188.114.97.42026-07-20 → 2026-07-20 · 4 obs
○ 2026-07-14 23:47:40
● 2026-07-20 04:21:22
○ 2026-07-20 04:53:38
○ 2026-07-25 04:21:04
●A2606:4700:3031::ac43:cbef2026-07-08 → 2026-07-25 · 6 obs
● 2026-07-08 23:37:28
○ 2026-07-13 08:48:58
● 2026-07-14 23:47:40
○ 2026-07-20 04:21:22
● 2026-07-22 12:05:34
● 2026-07-25 04:21:04
●A2606:4700:3037::6815:2cd92026-07-08 → 2026-07-25 · 6 obs
● 2026-07-08 23:37:28
○ 2026-07-13 08:48:58
● 2026-07-14 23:47:40
○ 2026-07-20 04:21:22
● 2026-07-22 12:05:34
● 2026-07-25 04:21:04
○A2a06:98c1:3120::2026-07-13 → 2026-07-20 · 6 obs
○ 2026-07-08 23:37:28
● 2026-07-13 08:48:58
○ 2026-07-14 23:47:40
● 2026-07-20 06:33:14
○ 2026-07-22 12:05:34
○ 2026-07-25 04:21:04
○A2a06:98c1:3120::42026-07-20 → 2026-07-20 · 4 obs
○ 2026-07-14 23:47:40
● 2026-07-20 04:21:22
○ 2026-07-20 06:33:14
○ 2026-07-25 04:21:04
○A2a06:98c1:3121::2026-07-13 → 2026-07-20 · 6 obs
○ 2026-07-08 23:37:28
● 2026-07-13 08:48:58
○ 2026-07-14 23:47:40
● 2026-07-20 06:33:14
○ 2026-07-22 12:05:34
○ 2026-07-25 04:21:04
○A2a06:98c1:3121::42026-07-20 → 2026-07-20 · 4 obs
○ 2026-07-14 23:47:40
● 2026-07-20 04:21:22
○ 2026-07-20 06:33:14
○ 2026-07-25 04:21:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
oi.com.vnstephane.ns.cloudflare.com, nolan.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.112

NS records: stephane.ns.cloudflare.com, nolan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1006ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.203.239, 104.21.44.217
AAAA22606:4700:3037::6815:2cd9, 2606:4700:3031::ac43:cbef
NS2nolan.ns.cloudflare.com, stephane.ns.cloudflare.com
MX3mx1.larksuite.com (pri: 1), mx3.larksuite.com (pri: 10)...
TXT3google-site-verification=U-1pPB8eFt647Lk, v=spf1 +include:spf.onlarksuite.com -all...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1nolan.ns.cloudflare.com dns.cloudflare.c

Analysis

Hierarchy

vps.oi.com.vn is a subdomain of oi.com.vn.

IP Addresses

oi.com.vn directs to four IP numbers, which are 104.21.44.217, 172.67.203.239, 2606:4700:3031::ac43:cbef and 2606:4700:3037::6815:2cd9.

Two other host names, along with careermax.co.uk, fencemag.com and campingworld5thwheel.com, also share IP numbers with oi.com.vn.

Name Servers

oi.com.vn is delegated to two name servers: nolan.ns.cloudflare.com and stephane.ns.cloudflare.com.

oi.com.vn shares its NS records with other domains, for example havar.org, milsomweddings.com, tampahousepainters.net and two others.

The name servers of oi.com.vn overlap at least partially with those of other domains — among them prosmotrkino.skin, isikgaz.com, technoticiaisjre.shop and two more.

These name servers commonly appear alongside the name servers deb.ns.cloudflare.com and simon.ns.cloudflare.com.

DNS names with 6 IP addresses:

nolan.ns.cloudflare.com resolves to 108.162.195.56, 162.159.44.56, 172.64.35.56 and 3 other IP addresses.

stephane.ns.cloudflare.com resolves to 108.162.194.112, 162.159.38.112, 172.64.34.112 and 3 other IP addresses.

Mail Servers

Mail for oi.com.vn is routed through three mail servers — mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.

There is at least a partial MX overlap between oi.com.vn and other domains, including ninhs.org, accessresort.com, benhviendongho.vn and two others.

Hostnames that map to three IP numbers:

mx3.larksuite.com points to 18.139.153.173, 101.126.58.223 and 122.14.230.154.

Host names that point to one IP address:

mx1.larksuite.com points to 18.139.153.173.

mx2.larksuite.com points to 18.139.153.173.

Each of mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com resolves to 18.139.153.173.