🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`linux101.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5e8b^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:888b^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.94.139^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.139^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aarav.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c3c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aarav.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c33c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aarav.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:233c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aarav.ns.cloudflare.com`
		A	108.162.195.60^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aarav.ns.cloudflare.com`
		A	162.159.44.60^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aarav.ns.cloudflare.com`
		A	172.64.35.60^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aarav.ns.cloudflare.com`
NS	`jillian.ns.cloudflare.com`
		A	2606:4700:50::a29f:262c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jillian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c22c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jillian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:222c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jillian.ns.cloudflare.com`
		A	108.162.194.44^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jillian.ns.cloudflare.com`
		A	162.159.38.44^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jillian.ns.cloudflare.com`
		A	172.64.34.44^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jillian.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁵⁷⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁵⁹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`google-site-verification=SOfoDiLy7zsHZarA2DEgSQBbuJ_qLIWR5bANxgmif5U`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.94.139, 172.67.136.139
		IPv6 hints	2606:4700:3033::6815:5e8b, 2606:4700:3036::ac43:888b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=254, name=cloudflare-ech.com
SOA	`aarav.ns.cloudflare.com`dns@cloudflare.com serial=2411027346

`dev`

	DNSSEC	⚠️ Not signed
	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)

Same first word

linux101.dev

linux101.org

linux101.net

linux101.com

Similar names

linux110.com

110linux.de

Previous names

linseyandleake.dev

linsheng.dev

linss.dev

lintang.dev

lintasarta.dev

lintelworks.dev

linterror.dev

lintigo.dev

lintly.dev

lintmx.dev

lintner.dev

linto.dev

lintropy.dev

linttrap.dev

linty.dev

lintypy.dev

linus.dev

linusjung.dev

linusm.dev

linux.dev

Next names

DNS History

13 records (9 active, 4 former)

●NSaarav.ns.cloudflare.com2026-08-29 → 2026-08-30 · 2 obs

● 2026-08-29 20:51:32
● 2026-08-30 15:49:58

●NSjillian.ns.cloudflare.com2026-08-29 → 2026-08-30 · 2 obs

● 2026-08-29 20:51:32
● 2026-08-30 15:49:58

●MXroute1.mx.cloudflare.net2026-08-29 → 2026-08-30 · 2 obs

● 2026-08-29 20:51:32
● 2026-08-30 15:49:58

●MXroute2.mx.cloudflare.net2026-08-29 → 2026-08-30 · 2 obs

● 2026-08-29 20:51:32
● 2026-08-30 15:49:58

●MXroute3.mx.cloudflare.net2026-08-29 → 2026-08-30 · 2 obs

● 2026-08-29 20:51:32
● 2026-08-30 15:49:58

●A104.21.94.1392026-08-30 → 2026-08-30 · 3 obs

○ 2026-08-29 20:51:32
● 2026-08-30 09:56:08
● 2026-08-30 15:49:58

●A172.67.136.1392026-08-30 → 2026-08-30 · 3 obs

○ 2026-08-29 20:51:32
● 2026-08-30 09:56:08
● 2026-08-30 15:49:58

○A188.114.96.02026-08-29 → 2026-08-29 · 3 obs

● 2026-08-29 20:51:32
○ 2026-08-30 09:56:08
○ 2026-08-30 15:49:58

○A188.114.97.02026-08-29 → 2026-08-29 · 3 obs

● 2026-08-29 20:51:32
○ 2026-08-30 09:56:08
○ 2026-08-30 15:49:58

●A2606:4700:3033::6815:5e8b2026-08-30 → 2026-08-30 · 3 obs

○ 2026-08-29 20:51:32
● 2026-08-30 09:56:08
● 2026-08-30 15:49:58

●A2606:4700:3036::ac43:888b2026-08-30 → 2026-08-30 · 3 obs

○ 2026-08-29 20:51:32
● 2026-08-30 09:56:08
● 2026-08-30 15:49:58

○A2a06:98c1:3120::2026-08-29 → 2026-08-29 · 3 obs

● 2026-08-29 20:51:32
○ 2026-08-30 09:56:08
○ 2026-08-30 15:49:58

○A2a06:98c1:3121::2026-08-29 → 2026-08-29 · 3 obs

● 2026-08-29 20:51:32
○ 2026-08-30 09:56:08
○ 2026-08-30 15:49:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
linux101.dev	aarav.ns.cloudflare.com, jillian.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.60

NS records: aarav.ns.cloudflare.com, jillian.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linux101.dev (unsigned zone)

⏱️ Timing

Total: 1744ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.94.139, 172.67.136.139`
AAAA	2	`2606:4700:3033::6815:5e8b, 2606:4700:3036::ac43:888b`
NS	2	`aarav.ns.cloudflare.com, jillian.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 48), route1.mx.cloudflare.net (pri: 57)...`
TXT	2	`google-site-verification=SOfoDiLy7zsHZar, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aarav.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

linux101.dev has four IP addresses: 104.21.94.139, 172.67.136.139, 2606:4700:3033::6815:5e8b and 2606:4700:3036::ac43:888b.

cancam-model.net, nagawin288ray.live, fundatiacaleavictoriei.ro and two other host names share IP numbers with linux101.dev.

Name Servers

linux101.dev is served by two delegated name servers, aarav.ns.cloudflare.com and jillian.ns.cloudflare.com.

linux101.dev uses the same name servers as several other domains — among them andre-massaroti.workers.dev, stelios-tzivakis.workers.dev, hyperval.com and two more.

linux101.dev partially shares its NS delegation with several other domains, including 670403.xyz, sporrotasi.com.tr, toto-4d-limit777net-1x6.pages.dev and two others.

The name servers ali.ns.cloudflare.com, rosa.ns.cloudflare.com, lennox.ns.cloudflare.com and brynne.ns.cloudflare.com are often found in use alongside these name servers.

Hostnames that resolve to 6 IP addresses:

aarav.ns.cloudflare.com carries IP addresses 108.162.195.60, 162.159.44.60 and 172.64.35.60, with 3 other addresses beyond those.

jillian.ns.cloudflare.com carries IP addresses 108.162.194.44, 162.159.38.44 and 172.64.34.44, with 3 other addresses beyond those.

Mail Servers

linux101.dev uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

linux101.dev has at least partial mail server overlap with other domains such as vtn.systems, callscheduler.net, jiwajiwa-hiro.com and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net carries IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, with 3 other addresses beyond those.

route2.mx.cloudflare.net carries IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, with 3 other addresses beyond those.

route3.mx.cloudflare.net carries IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, with 3 other addresses beyond those.

linux101.dev - robtex.com

linux101.dev

dev

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`linux101.dev`

`dev`