`system.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:56be^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:881a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.86.190^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.26^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elly.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26f6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elly.ns.cloudflare.com`
		A	108.162.194.246^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
		A	162.159.38.246^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
		A	172.64.34.246^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elly.ns.cloudflare.com`
NS	`joel.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bb8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`joel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`joel.ns.cloudflare.com`
		A	108.162.193.184^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
		A	172.64.33.184^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
		A	173.245.59.184^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.86.190, 172.67.136.26
		IPv6 hints	2606:4700:3036::6815:56be, 2606:4700:3037::ac43:881a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=26, name=cloudflare-ech.com
SOA	`elly.ns.cloudflare.com`dns@cloudflare.com serial=2410061449

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Subdomains

www.system.dev

Same first word

system.ch

system.com.sg

system.lt

system.media

system.limited

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.name

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

system.solar

system.net.ru

system.windows

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

Similar names

emsyst.sk

sysmet.ru

tmesys.com

metyss.com

emsyst.ch

metsys.eu

tmesys.net

stemys.com

metsys.es

metsys.co.uk

metsys.org

esystm.com

sysmet.it

metsys.hu

temsys.ru

metsys.fr

metsys.fi

system.com.pa

system.ist

system.bz

system.wine

system.taxi

system.org.pl

system.blue

system.repair

etmsys.com

system.zone

system.dj

system.fail

system.co.rs

DNS History

10 records (8 active, 2 former)

●NSelly.ns.cloudflare.com2026-03-25 → 2026-08-11 · 2 obs

● 2026-03-25 04:15:44
● 2026-08-11 13:26:42

●NSjoel.ns.cloudflare.com2026-03-25 → 2026-08-11 · 2 obs

● 2026-03-25 04:15:44
● 2026-08-11 13:26:42

●MXmxbiz1.qq.com2026-03-25 → 2026-08-11 · 2 obs

● 2026-03-25 04:15:44
● 2026-08-11 13:26:42

●MXmxbiz2.qq.com2026-03-25 → 2026-08-11 · 2 obs

● 2026-03-25 04:15:44
● 2026-08-11 13:26:42

●A104.21.86.1902026-03-25 → 2026-08-11 · 2 obs

● 2026-03-25 04:15:44
● 2026-08-11 13:26:42

●A172.67.136.262026-03-25 → 2026-08-11 · 2 obs

● 2026-03-25 04:15:44
● 2026-08-11 13:26:42

○A2606:4700:3030::6815:56be2026-03-25 → 2026-06-14 · 4 obs

● 2026-03-25 04:15:44
● 2026-06-14 05:25:24
○ 2026-07-09 01:07:10
○ 2026-08-11 13:26:42

○A2606:4700:3035::ac43:881a2026-03-25 → 2026-06-14 · 4 obs

● 2026-03-25 04:15:44
● 2026-06-14 05:25:24
○ 2026-07-09 01:07:10
○ 2026-08-11 13:26:42

●A2606:4700:3036::6815:56be2026-07-09 → 2026-08-11 · 3 obs

○ 2026-06-14 05:25:24
● 2026-07-09 01:07:10
● 2026-08-11 13:26:42

●A2606:4700:3037::ac43:881a2026-07-09 → 2026-08-11 · 3 obs

○ 2026-06-14 05:25:24
● 2026-07-09 01:07:10
● 2026-08-11 13:26:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
system.dev	joel.ns.cloudflare.com, elly.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.246

NS records: joel.ns.cloudflare.com, elly.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for system.dev (unsigned zone)

⏱️ Timing

Total: 496ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.136.26, 104.21.86.190`
AAAA	2	`2606:4700:3036::6815:56be, 2606:4700:3037::ac43:881a`
NS	2	`elly.ns.cloudflare.com, joel.ns.cloudflare.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elly.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

www.system.dev is a subdomain of system.dev.

IP Addresses

system.dev points to the four IP addresses 104.21.86.190, 172.67.136.26, 2606:4700:3036::6815:56be and 2606:4700:3037::ac43:881a.

Two other host names, along with 2lydgaev7q.hnafpw.cn, cepvenezuela.com and arpunvs.shop, also share IP numbers with system.dev.

Name Servers

DNS delegation for system.dev points to two name servers: elly.ns.cloudflare.com and joel.ns.cloudflare.com.

system.dev shares its NS records with other domains, for example kippa.top, kippe.top, kytte.top and two others.

The name servers of system.dev overlap at least partially with those of other domains — among them masterblock.pt, letterscotometry.it, lamaisondudetour.com and two more.

These name servers commonly appear alongside the name servers jasper.ns.cloudflare.com and ruben.ns.cloudflare.com.

DNS names with 6 IP addresses:

elly.ns.cloudflare.com has IP addresses 108.162.194.246, 162.159.38.246 and 172.64.34.246, plus 3 other.

joel.ns.cloudflare.com has IP addresses 108.162.193.184, 172.64.33.184 and 173.245.59.184, plus 3 other.

Mail Servers

system.dev is served by two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

Among the domains sharing a mail server setup with system.dev are smilehacker.net, zhehang.com, 186idc.com and two others.

system.dev has mail servers in common with other domains — for example lovdock.com, matrixpay.io and jywy-ic.com.

system.dev - robtex.com

system.dev

dev

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`system.dev`

`dev`