`linuxguy.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:178f^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:d3a5^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.143^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.165^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`courtney.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2682^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c282^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`courtney.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2282^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`courtney.ns.cloudflare.com`
		A	108.162.194.130^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	162.159.38.130^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	172.64.34.130^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
NS	`greg.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b73^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c173^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`greg.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2173^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`greg.ns.cloudflare.com`
		A	108.162.193.115^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	172.64.33.115^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	173.245.59.115^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
MX	`linuxguy-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::b^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00603.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01403.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr04cu00100.inbound.protection.outlook.com`
		A	52.101.8.51^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm1pr04cu00203.inbound.protection.outlook.com`
		A	52.101.10.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr05cu00102.inbound.protection.outlook.com`
		A	52.101.40.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
		A	52.101.42.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00300.inbound.protection.outlook.com`
TXT	`MS=ms81569660`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.143, 172.67.211.165
		IPv6 hints	2606:4700:3033::6815:178f, 2606:4700:3033::ac43:d3a5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=249, name=cloudflare-ech.com
SOA	`courtney.ns.cloudflare.com`dns@cloudflare.com serial=2402223981

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776986996

Same first word

linuxguy.org

linuxguy.net

linuxguy.com

Similar names

yuluxing.com

xingyulu.com

DNS History

19 records (7 active, 12 former)

●NScourtney.ns.cloudflare.com2026-02-15 → 2026-04-23 · 5 obs

○ 2017-09-03 10:09:24
● 2026-02-15 12:03:52
● 2026-03-30 10:32:10
○ 2026-04-12 22:50:14
● 2026-04-23 23:47:48

○NSdns1.registrar-servers.com2015-07-16 → 2017-09-03 · 4 obs

● 2015-07-16 07:34:08
● 2017-09-03 10:09:24
○ 2026-02-15 12:03:52
○ 2026-04-23 23:47:48

○NSdns101.registrar-servers.com2026-04-12 → 2026-04-12 · 3 obs

○ 2026-03-30 10:32:10
● 2026-04-12 22:50:14
○ 2026-04-23 23:47:48

○NSdns102.registrar-servers.com2026-04-12 → 2026-04-12 · 3 obs

○ 2026-03-30 10:32:10
● 2026-04-12 22:50:14
○ 2026-04-23 23:47:48

○NSdns2.registrar-servers.com2015-07-16 → 2017-09-03 · 4 obs

● 2015-07-16 07:34:08
● 2017-09-03 10:09:24
○ 2026-02-15 12:03:52
○ 2026-04-23 23:47:48

○NSdns3.registrar-servers.com2015-07-16 → 2016-02-24 · 4 obs

● 2015-07-16 07:34:08
● 2016-02-24 12:47:04
○ 2016-08-11 04:49:06
○ 2026-04-23 23:47:48

○NSdns4.registrar-servers.com2015-07-16 → 2016-02-24 · 4 obs

● 2015-07-16 07:34:08
● 2016-02-24 12:47:04
○ 2016-08-11 04:49:06
○ 2026-04-23 23:47:48

○NSdns5.registrar-servers.com2015-07-16 → 2016-02-24 · 4 obs

● 2015-07-16 07:34:08
● 2016-02-24 12:47:04
○ 2016-08-11 04:49:06
○ 2026-04-23 23:47:48

●NSgreg.ns.cloudflare.com2026-02-15 → 2026-04-23 · 5 obs

○ 2017-09-03 10:09:24
● 2026-02-15 12:03:52
● 2026-03-30 10:32:10
○ 2026-04-12 22:50:14
● 2026-04-23 23:47:48

○MXhubinternet.com2015-07-16 → 2016-02-24 · 4 obs

● 2015-07-16 07:34:08
● 2016-02-24 12:47:04
○ 2016-08-11 04:49:06
○ 2026-04-23 23:47:48

●MXlinuxguy-com.mail.protection.outlook.com2016-08-11 → 2026-04-23 · 5 obs

○ 2016-02-24 12:47:04
● 2016-08-11 04:49:06
● 2026-03-30 10:32:10
○ 2026-04-12 22:50:14
● 2026-04-23 23:47:48

○MXmx.plingest.com2026-04-12 → 2026-04-12 · 3 obs

○ 2026-03-30 10:32:10
● 2026-04-12 22:50:14
○ 2026-04-23 23:47:48

●A104.21.23.1432026-02-15 → 2026-04-23 · 5 obs

○ 2017-09-03 10:09:24
● 2026-02-15 12:03:52
● 2026-03-30 10:32:10
○ 2026-04-12 22:50:14
● 2026-04-23 23:47:48

○A172.234.24.2112026-04-12 → 2026-04-12 · 3 obs

○ 2026-03-30 10:32:10
● 2026-04-12 22:50:14
○ 2026-04-23 23:47:48

○A172.239.57.1172026-04-12 → 2026-04-12 · 3 obs

○ 2026-03-30 10:32:10
● 2026-04-12 22:50:14
○ 2026-04-23 23:47:48

●A172.67.211.1652026-02-15 → 2026-04-23 · 5 obs

○ 2017-09-03 10:09:24
● 2026-02-15 12:03:52
● 2026-03-30 10:32:10
○ 2026-04-12 22:50:14
● 2026-04-23 23:47:48

○A208.105.178.662015-07-16 → 2017-09-03 · 4 obs

● 2015-07-16 07:34:08
● 2017-09-03 10:09:24
○ 2026-02-15 12:03:52
○ 2026-04-23 23:47:48

●A2606:4700:3033::6815:178f2026-02-15 → 2026-04-23 · 5 obs

○ 2017-09-03 10:09:24
● 2026-02-15 12:03:52
● 2026-03-30 10:32:10
○ 2026-04-12 22:50:14
● 2026-04-23 23:47:48

●A2606:4700:3033::ac43:d3a52026-02-15 → 2026-04-23 · 5 obs

○ 2017-09-03 10:09:24
● 2026-02-15 12:03:52
● 2026-03-30 10:32:10
○ 2026-04-12 22:50:14
● 2026-04-23 23:47:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
linuxguy.com	greg.ns.cloudflare.com, courtney.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.115

NS records: greg.ns.cloudflare.com, courtney.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxguy.com (unsigned zone)

⏱️ Timing

Total: 140ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.211.165, 104.21.23.143`
AAAA	2	`2606:4700:3033::6815:178f, 2606:4700:3033::ac43:d3a5`
NS	2	`courtney.ns.cloudflare.com, greg.ns.cloudflare.com`
MX	1	`linuxguy-com.mail.protection.outlook.com`
TXT	2	`MS=ms81569660, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`courtney.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (greg.ns.cloudflare.com, greg.ns.cloudflare.com, greg.ns.cloudflare.com...)

Analysis

IP Addresses

linuxguy.com points to four IP numbers: 2606:4700:3033::6815:178f, 2606:4700:3033::ac43:d3a5, 104.21.23.143 and 172.67.211.165.

For instance, other host names phcoatings.com, teenagemercenary.com, residencialelite.com.ar, paintsai.ru and bcdennis.com share IP numbers with linuxguy.com.

Name Servers

linuxguy.com is delegated to two name servers: courtney.ns.cloudflare.com and greg.ns.cloudflare.com.

linuxguy.com uses the same name server setup as other domains such as rjjagg.workers.dev, theconnaught.co.uk, ryanleewilliams.com, squaredancenola.com and sunteera.com.

linuxguy.com shares name servers with other domains at least partially, for example imperium-bet.com, wa-payday-loans.com, sassyradish.com, paradcatering.ru and whtsagrouplinks.com.

These name servers are commonly used with adaline.ns.cloudflare.com.

Host names with six IP numbers: host name courtney.ns.cloudflare.com points to: 2606:4700:50::a29f:2682, 2803:f800:50::6ca2:c282, 2a06:98c1:50::ac40:2282, 108.162.194.130, 162.159.38.130 and 172.64.34.130; host name greg.ns.cloudflare.com points to: 2606:4700:58::adf5:3b73, 2803:f800:50::6ca2:c173, 2a06:98c1:50::ac40:2173, 108.162.193.115, 172.64.33.115 and 173.245.59.115.

Mail Servers

linuxguy.com is handled by a single mail server, linuxguy-com.mail.protection.outlook.com.

Host name linuxguy-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c91d::b, 2a01:111:f403:c946::7, 2a01:111:f403:f802::3, 2a01:111:f403:f902::, 52.101.8.51, 52.101.10.10, 52.101.40.0 and 52.101.42.16.

linuxguy.com - robtex.com

linuxguy.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`linuxguy.com`

`com`