oj.program.edu.vn - robtex.com

oj.program.edu.vn

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:163c🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:cafc🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.22.60Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.202.252🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.22.60, 172.67.202.252
IPv6 hints2606:4700:3031::6815:163c, 2606:4700:3033::ac43:cafc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=108, name=cloudflare-ech.com

program.edu.vn

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:163c🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:cafc🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.22.60Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.202.252🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScoen.ns.cloudflare.com ⭐
NShattie.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.22.60, 172.67.202.252
IPv6 hints2606:4700:3031::6815:163c, 2606:4700:3033::ac43:cafc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=108, name=cloudflare-ech.com
SOAcoen.ns.cloudflare.comdns@cloudflare.com serial=2401449074

Same first word

oj.network
oj.world
oj.org
oj.pl
oj.com.ua
oj.kz
oj.gob.sv
oj.is
oj.nu
oj.ca
oj.biz
oj.co.za
oj.co.il
oj.se
oj.co.kr
oj.be
oj.uz
oj.dk
oj.co
oj.com
oj.lv
oj.tv
oj.gob.gt
oj.com.mx
oj.cz
oj.fyi
oj.lt
oj.si
oj.hu
oj.cn
oj.sk
oj.ru
oj.fi
oj.nl

Similar names

jo.hu
jo.com.bn
jo.house
jo.de
jo.nl
jo.ws
jo.lv
jo.su
jo.to
jo.cn
jo.com
jo.gl
jo.be
jo.hn
jo.co
jo.ke
jo.email
jo.ca
jo.st
jo.no
jo.wtf
jo.fyi
jo.com.tw
jo.co.za
jo.ne.kr
jo.ax
jo.me
jo.cx
jo.by
jo.co.kr
jo.cc
jo.nu
jo.my
jo.lt
jo.se
jo.tn
jo.tc
jo.com.ua
jo.ink
jo.cl
jo.gov.cn
jo.coffee
jo.ph
jo.au
jo.pl
jo.fi
jo.ms
jo.com.br
jo.gd
jo.jo
jo.org
jo.ru
jo.cat
jo.ee
jo.com.vn
jo.pe
jo
jo.si
jo.je
jo.dk
jo.net

DNS History

4 records (4 active, 0 former)

A104.21.22.60172.67.202.2522606:4700:3031::6815:163c2606:4700:3033::ac43:cafc
●A104.21.22.602026-05-01 → 2026-05-10 · 2 obs
● 2026-05-01 02:07:30
● 2026-05-10 15:37:28
●A172.67.202.2522026-05-01 → 2026-05-10 · 2 obs
● 2026-05-01 02:07:30
● 2026-05-10 15:37:28
●A2606:4700:3031::6815:163c2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-01 02:07:30
● 2026-05-10 15:37:28
●A2606:4700:3033::ac43:cafc2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-01 02:07:30
● 2026-05-10 15:37:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnh.dns-servers.vn, c.dns-servers.vn, f.dns-servers.vn, d.dns-servers.vn...-
program.edu.vnhattie.ns.cloudflare.com, coen.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.151

NS records: hattie.ns.cloudflare.com, coen.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at program.edu.vn: Error: DNS query timeout: 202.47.142.105 for DS program.edu.vn

⏱️ Timing

Total: 3683ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.202.252, 104.21.22.60
AAAA22606:4700:3033::ac43:cafc, 2606:4700:3031::6815:163c
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

oj.program.edu.vn maps to four IP numbers: 2606:4700:3031::6815:163c, 2606:4700:3033::ac43:cafc, 104.21.22.60 and 172.67.202.252.

other host names include freecc.mboards.com, bishstore.com, whereweget.com, neuralstreamcore2.homes and www.1americamall.com; they share IP numbers with oj.program.edu.vn.