linuxmastering.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`linuxmastering.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3af3^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:a648^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.243^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.72^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`anton.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2caf^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c3af^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:23af^{Cloudflare2a06:98c1:50::/45}
		A	108.162.195.175^{Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.44.175^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.35.175^{Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`harlee.ns.cloudflare.com`
		A	2606:4700:50::a29f:26ee^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c2ee^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:22ee^{Cloudflare2a06:98c1:50::/45}
		A	108.162.194.238^{Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.38.238^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.34.238^{Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx1.privateemail.com` ⭐
		A	162.255.118.7^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx1.privateemail.com`
MX	`mx2.privateemail.com`⁽¹⁰⁾
		A	162.255.118.8^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx2.privateemail.com`
TXT	`v=spf1 include:spf.privateemail.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.58.243, 172.67.166.72
		IPv6 hints	2606:4700:3030::6815:3af3, 2606:4700:3030::ac43:a648
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=37, name=cloudflare-ech.com
SOA	`anton.ns.cloudflare.com`dns@cloudflare.com serial=2415174753

`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=1790464559

Same first word

linuxmastering.online

linuxmastering.com

Similar names

geminiluxtrans.com

masteringlinux.com

masteringlinux.in

Previous names

Next names

DNS History

15 records (8 active, 7 former)

●NSanton.ns.cloudflare.com2026-08-21 → 2026-09-26 · 3 obs

○ 2016-12-20 09:17:52
● 2026-08-21 10:18:00
● 2026-09-26 23:42:48

●NSharlee.ns.cloudflare.com2026-08-21 → 2026-09-26 · 3 obs

○ 2016-12-20 09:17:52
● 2026-08-21 10:18:00
● 2026-09-26 23:42:48

○NSns1.domainmonster.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 09:17:52
○ 2026-08-21 10:18:00
○ 2026-09-26 23:42:48

○NSns2.domainmonster.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 09:17:52
○ 2026-08-21 10:18:00
○ 2026-09-26 23:42:48

○NSns3.domainmonster.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 09:17:52
○ 2026-08-21 10:18:00
○ 2026-09-26 23:42:48

○MXmail.b-io.co2017-12-25 → 2017-12-25 · 4 obs

○ 2016-12-20 09:17:52
● 2017-12-25 17:52:58
○ 2026-08-21 10:18:00
○ 2026-09-26 23:42:48

○MXmx.emailconfig.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 09:17:52
○ 2017-12-25 17:52:58
○ 2026-09-26 23:42:48

●MXmx1.privateemail.com2026-08-21 → 2026-09-26 · 3 obs

○ 2017-12-25 17:52:58
● 2026-08-21 10:18:00
● 2026-09-26 23:42:48

●MXmx2.privateemail.com2026-08-21 → 2026-09-26 · 3 obs

○ 2017-12-25 17:52:58
● 2026-08-21 10:18:00
● 2026-09-26 23:42:48

●A104.21.58.2432026-08-21 → 2026-09-26 · 3 obs

○ 2017-12-25 17:52:58
● 2026-08-21 10:18:00
● 2026-09-26 23:42:48

○A109.68.33.182016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 09:17:52
○ 2026-08-21 10:18:00
○ 2026-09-26 23:42:48

○A109.68.33.642017-12-25 → 2017-12-25 · 4 obs

○ 2016-12-20 09:17:52
● 2017-12-25 17:52:58
○ 2026-08-21 10:18:00
○ 2026-09-26 23:42:48

●A172.67.166.722026-08-21 → 2026-09-26 · 3 obs

○ 2017-12-25 17:52:58
● 2026-08-21 10:18:00
● 2026-09-26 23:42:48

●A2606:4700:3030::6815:3af32026-08-21 → 2026-09-26 · 3 obs

○ 2017-12-25 17:52:58
● 2026-08-21 10:18:00
● 2026-09-26 23:42:48

●A2606:4700:3030::ac43:a6482026-08-21 → 2026-09-26 · 3 obs

○ 2017-12-25 17:52:58
● 2026-08-21 10:18:00
● 2026-09-26 23:42:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net...	-
linuxmastering.com	harlee.ns.cloudflare.com, anton.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.175

NS records: harlee.ns.cloudflare.com, anton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxmastering.com (unsigned zone)

⏱️ Timing

Total: 816ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.58.243, 172.67.166.72`
AAAA	2	`2606:4700:3030::6815:3af3, 2606:4700:3030::ac43:a648`
NS	2	`anton.ns.cloudflare.com, harlee.ns.cloudflare.com`
MX	2	`mx2.privateemail.com (pri: 10), mx1.privateemail.com (pri: 9)`
TXT	1	`v=spf1 include:spf.privateemail.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`anton.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

linuxmastering.com resolves to four IP addresses: 104.21.58.243, 172.67.166.72, 2606:4700:3030::6815:3af3 and 2606:4700:3030::ac43:a648.

thegoodlocksmiths.co.uk, sbobeta333wc.site, getx-gaming-amp3.ru and two other host names share IP numbers with linuxmastering.com.

Name Servers

DNS delegation for linuxmastering.com points to two name servers: anton.ns.cloudflare.com and harlee.ns.cloudflare.com.

linuxmastering.com uses the same name servers as several other domains — among them sheetsmate.com, bellezasinlimites.online, yourlinuxtraining.net and two more.

linuxmastering.com partially shares its NS delegation with several other domains, including wfklkn9zwev5loyk.workers.dev, uji-coba-mental.pages.dev, yudianxicha.com and two others.

The name servers rene.ns.cloudflare.com, frida.ns.cloudflare.com, lola.ns.cloudflare.com and mimi.ns.cloudflare.com are often found in use alongside these name servers.

Hostnames that resolve to 6 IP addresses:

anton.ns.cloudflare.com has IP addresses 108.162.195.175, 162.159.44.175 and 172.64.35.175, plus 3 other.

harlee.ns.cloudflare.com has IP addresses 108.162.194.238, 162.159.38.238 and 172.64.34.238, plus 3 other.

Mail Servers

Mail for linuxmastering.com is handled by two mail servers — mx1.privateemail.com and mx2.privateemail.com.

linuxmastering.com uses an identical mail server configuration to several other domains — among them csboundlessanimalrescue.org, velvetsolutions.ca, mystepstohealing.com and two more.

linuxmastering.com has at least partial mail server overlap with other domains such as iqverse.university, asaploansusa.com, newvistascounseling.com and two more.

mx1.privateemail.com resolves to 162.255.118.7. mx2.privateemail.com resolves to 162.255.118.8. Both host names point to a single IP number.