linuxguy.com - dns.ninja

`linuxguy.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:178f^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d3a5^{🇺🇸 Cloudflare2606:4700:3037::/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:c902::14^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:c91d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr05cu00301.inbound.protection.outlook.com`
		A	52.101.8.46^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm6pr05cu00406.inbound.protection.outlook.com`
		A	52.101.9.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr05cu00504.inbound.protection.outlook.com`
		A	52.101.41.56^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr21cu00100.inbound.protection.outlook.com`
		A	52.101.194.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch0pr04cu00504.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	2606:4700:3034::6815:178f, 2606:4700:3037::ac43:d3a5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com
SOA	`courtney.ns.cloudflare.com`dns@cloudflare.com serial=2411273719

`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=1785808117

Same first word

linuxguy.org

linuxguy.net

linuxguy.com

Similar names

yuluxing.com

xingyulu.com

DNS History

21 records (7 active, 14 former)

●NScourtney.ns.cloudflare.com2026-02-15 → 2026-08-04 · 6 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
● 2026-08-04 01:49:18

○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
○ 2026-08-04 01:49:18

○NSdns101.registrar-servers.com2026-04-12 → 2026-04-12 · 4 obs

○ 2026-03-30 10:32:10
● 2026-04-12 22:50:14
○ 2026-04-23 23:47:48
○ 2026-08-04 01:49:18

○NSdns102.registrar-servers.com2026-04-12 → 2026-04-12 · 4 obs

○ 2026-03-30 10:32:10
● 2026-04-12 22:50:14
○ 2026-04-23 23:47:48
○ 2026-08-04 01:49:18

○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
○ 2026-08-04 01:49:18

○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
○ 2026-08-04 01:49:18

○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
○ 2026-08-04 01:49:18

○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
○ 2026-08-04 01:49:18

●NSgreg.ns.cloudflare.com2026-02-15 → 2026-08-04 · 6 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
● 2026-08-04 01:49:18

○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
○ 2026-08-04 01:49:18

●MXlinuxguy-com.mail.protection.outlook.com2016-08-11 → 2026-08-04 · 6 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
● 2026-08-04 01:49:18

○MXmx.plingest.com2026-04-12 → 2026-04-12 · 4 obs

○ 2026-03-30 10:32:10
● 2026-04-12 22:50:14
○ 2026-04-23 23:47:48
○ 2026-08-04 01:49:18

●A104.21.23.1432026-02-15 → 2026-08-04 · 6 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
● 2026-08-04 01:49:18

○A172.234.24.2112026-04-12 → 2026-04-12 · 4 obs

○ 2026-03-30 10:32:10
● 2026-04-12 22:50:14
○ 2026-04-23 23:47:48
○ 2026-08-04 01:49:18

○A172.239.57.1172026-04-12 → 2026-04-12 · 4 obs

○ 2026-03-30 10:32:10
● 2026-04-12 22:50:14
○ 2026-04-23 23:47:48
○ 2026-08-04 01:49:18

●A172.67.211.1652026-02-15 → 2026-08-04 · 6 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
● 2026-08-04 01:49:18

○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
○ 2026-08-04 01:49:18

○A2606:4700:3033::6815:178f2026-02-15 → 2026-04-23 · 7 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
○ 2026-07-04 07:38:28
○ 2026-08-04 01:49:18

○A2606:4700:3033::ac43:d3a52026-02-15 → 2026-04-23 · 7 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
○ 2026-07-04 07:38:28
○ 2026-08-04 01:49:18

●A2606:4700:3034::6815:178f2026-07-04 → 2026-08-04 · 3 obs

○ 2026-04-23 23:47:48
● 2026-07-04 07:38:28
● 2026-08-04 01:49:18

●A2606:4700:3037::ac43:d3a52026-07-04 → 2026-08-04 · 3 obs

○ 2026-04-23 23:47:48
● 2026-07-04 07:38:28
● 2026-08-04 01:49:18

🔍 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: 136ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.211.165, 104.21.23.143`
AAAA	2	`2606:4700:3034::6815:178f, 2606:4700:3037::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 has four IP addresses: 104.21.23.143, 172.67.211.165, 2606:4700:3034::6815:178f and 2606:4700:3037::ac43:d3a5.

phcoatings.com, teenagemercenary.com, residencialelite.com.ar and two other host names 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 servers as several other domains — among them maharanicatering.com, rjjagg.workers.dev, karamba.com.pl and two more.

linuxguy.com partially shares its NS delegation with several other domains, including imperium-bet.com, wa-payday-loans.com, sassyradish.com and two others.

These name servers are regularly seen alongside adaline.ns.cloudflare.com and isaac.ns.cloudflare.com as name servers.

Hostnames that resolve to 6 IP addresses:

courtney.ns.cloudflare.com resolves to 108.162.194.130, 162.159.38.130, 172.64.34.130 and 3 other IP addresses.

greg.ns.cloudflare.com resolves to 108.162.193.115, 172.64.33.115, 173.245.59.115 and 3 other IP addresses.

Mail Servers

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

linuxguy-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.8.46, 52.101.9.12, 52.101.41.56 and 5 others.