`system.devplus.edu.vn`

DNSSEC	⚠️ Not signed
A	52.77.222.0^{🇸🇬 Amazon52.77.0.0/16 SIN prefix}
		PTR	`ec2-52-77-222-0.ap-southeast-1.compute.amazonaws.com`

`devplus.edu.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1269^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:b597^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.18.105^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.181.151^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`donna.ns.cloudflare.com` ⭐
NS	`jake.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
TXT	`MS=26CC6F2A053B1302F3D5E9F555D3AD21C7A2417C`
TXT	`google-gws-recovery-domain-verification=56210207`
TXT	`v=spf1 a mx include:_spf.google.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.18.105, 172.67.181.151
		IPv6 hints	2606:4700:3031::6815:1269, 2606:4700:3033::ac43:b597
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=139, name=cloudflare-ech.com
SOA	`donna.ns.cloudflare.com`dns@cloudflare.com serial=2401902929

Same first word

system.solar

system.net.ru

system.uy

system.in.ua

system.dev

system.tips

system.lv

system.szczecin.pl

system.net

system.ae

system.im

system.world

system.domains

system.web.id

system.guide

system.com.tr

system.tv

system.com.pa

system.ist

system.bz

system.wine

system.taxi

system.org.pl

system.blue

system.repair

system.zone

system.dj

system.fail

system.co.rs

system.id.vn

system.is

system.directory

system.bio

system.es

system.ac

system.be

system.org.uk

system.adm.br

system.fi

system.ch

system.com.sg

system.lt

system.media

system.lu

system.co

system.pt

system.pe.kr

system.direct

system.kz

system.info

system.cz

system.me

system.management

system.bet

system.surf

system.co.zw

system.co.jp

system.my.id

system.com.ru

system.com.eg

system.fitness

system.eu

system.bg

system.de

system.uk.com

system.nu

system.com.es

system.watch

system.se

system.ooo

system.band

system.dp.ua

system.parts

system.group

system.ne.jp

system.tools

system.clothing

system.it

system.ee

system.ddnss.de

system.net.au

system.agency

system.dk

system.energy

system.ag

system.archi

system.expert

system.co.il

system.eu.com

system.sg

system.pl

system.su

system.tw

system.vc

system.org

system.gr

system.cl

system.zip

system.edu.pl

system.services

system.at

system.ba

system.info.pl

system.com

system.com.ua

system.vision

system.co.th

system.properties

system.cc

system.la

system.hu

system.cm

system.exchange

system.ro

system.jp

system.sh

system.co.uk

system.io

system.si

system.partners

system.app

system.com.lk

system.ua

system.biz

system.supplies

Similar names

esystm.com

sysmet.it

metsys.hu

temsys.ru

metsys.fr

metsys.fi

etmsys.com

emsyst.com

mytess.com

semtys.com

temsys.fr

metsys.de

metsys.com

tmesys.org

systme.com

metsys.se

tmesys.info

emsyst.de

sytsem.com

mystes.org

metsys.it

stemys.ch

sysmet.co.jp

emsyst.net

sysmet.jp

sysmet.com

mestys.cz

emsyst.at

emsyst.sk

sysmet.ru

tmesys.com

metyss.com

emsyst.ch

yessmt.com

metsys.eu

tmesys.net

stemys.com

metsys.org

DNS History

1 record (1 active, 0 former)

●A52.77.222.02026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 06:02:22
● 2026-05-10 06:26:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
devplus.edu.vn	jake.ns.cloudflare.com, donna.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.122

NS records: jake.ns.cloudflare.com, donna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for devplus.edu.vn (unsigned zone)

⏱️ Timing

Total: 803ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.77.222.0`

Analysis

IP Addresses

system.devplus.edu.vn points to a single IP number: 52.77.222.0.

Other host names such as api-module-cv.devplus.edu.vn and api-system.devplus.edu.vn share IP numbers with system.devplus.edu.vn.

system.devplus.edu.vn - robtex.com