`linuxbuilders.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:147^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:80c2^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.1.71^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.128.194^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`carl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carl.ns.cloudflare.com`
		A	108.162.193.106^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
		A	172.64.33.106^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
		A	173.245.59.106^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
NS	`laylah.ns.cloudflare.com`
		A	2606:4700:50::a29f:26e6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laylah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2e6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`laylah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22e6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`laylah.ns.cloudflare.com`
		A	108.162.194.230^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laylah.ns.cloudflare.com`
		A	162.159.38.230^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laylah.ns.cloudflare.com`
		A	172.64.34.230^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laylah.ns.cloudflare.com`
MX	`linuxbuilders-net.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc31::1^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-sy8pr01cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc31::2^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-sy5pr01cu00902.inbound.protection.outlook.com`
		A	2a01:111:f403:cc33::^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-meupr01cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:cc33::1^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-meupr01cu00301.inbound.protection.outlook.com`
		A	52.101.149.0^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sy2pr01cu00300.inbound.protection.outlook.com`
		A	52.101.149.1^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sy8pr01cu00101.inbound.protection.outlook.com`
		A	52.101.151.0^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-meupr01cu00200.inbound.protection.outlook.com`
		A	52.101.151.5^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-meupr01cu00305.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.1.71, 172.67.128.194
		IPv6 hints	2606:4700:3031::6815:147, 2606:4700:3034::ac43:80c2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com
SOA	`carl.ns.cloudflare.com`dns@cloudflare.com serial=2409611510

`net`

	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=1785806947

Subdomains

www.linuxbuilders.net

Same first word

linuxbuilders.net

DNS History

23 records (7 active, 16 former)

●NScarl.ns.cloudflare.com2026-06-17 → 2026-08-04 · 3 obs

○ 2019-01-11 21:25:02
● 2026-06-17 20:15:02
● 2026-08-04 01:35:16

●NSlaylah.ns.cloudflare.com2026-06-17 → 2026-08-04 · 3 obs

○ 2019-01-11 21:25:02
● 2026-06-17 20:15:02
● 2026-08-04 01:35:16

○NSns1.no-ip.com2007-10-11 → 2019-01-11 · 4 obs

● 2007-10-11 12:54:06
● 2019-01-11 21:25:02
○ 2026-06-17 20:15:02
○ 2026-08-04 01:35:16

○NSns2.no-ip.com2007-10-11 → 2019-01-11 · 4 obs

● 2007-10-11 12:54:06
● 2019-01-11 21:25:02
○ 2026-06-17 20:15:02
○ 2026-08-04 01:35:16

○NSns3.no-ip.com2007-10-11 → 2019-01-11 · 4 obs

● 2007-10-11 12:54:06
● 2019-01-11 21:25:02
○ 2026-06-17 20:15:02
○ 2026-08-04 01:35:16

○NSns4.no-ip.com2007-10-11 → 2019-01-11 · 4 obs

● 2007-10-11 12:54:06
● 2019-01-11 21:25:02
○ 2026-06-17 20:15:02
○ 2026-08-04 01:35:16

○NSns5.no-ip.com2007-10-11 → 2019-01-11 · 4 obs

● 2007-10-11 12:54:06
● 2019-01-11 21:25:02
○ 2026-06-17 20:15:02
○ 2026-08-04 01:35:16

○MXalt1.aspmx.l.google.com2015-07-06 → 2015-07-06 · 4 obs

○ 2007-10-11 12:54:06
● 2015-07-06 22:38:26
○ 2015-11-10 12:51:40
○ 2026-08-04 01:35:16

○MXalt2.aspmx.l.google.com2015-07-06 → 2015-07-06 · 4 obs

○ 2007-10-11 12:54:06
● 2015-07-06 22:38:26
○ 2015-11-10 12:51:40
○ 2026-08-04 01:35:16

○MXalt3.aspmx.l.google.com2015-07-06 → 2015-07-06 · 4 obs

○ 2007-10-11 12:54:06
● 2015-07-06 22:38:26
○ 2015-11-10 12:51:40
○ 2026-08-04 01:35:16

○MXalt4.aspmx.l.google.com2015-07-06 → 2015-07-06 · 4 obs

○ 2007-10-11 12:54:06
● 2015-07-06 22:38:26
○ 2015-11-10 12:51:40
○ 2026-08-04 01:35:16

○MXaspmx.l.google.com2015-07-06 → 2015-07-06 · 4 obs

○ 2007-10-11 12:54:06
● 2015-07-06 22:38:26
○ 2015-11-10 12:51:40
○ 2026-08-04 01:35:16

●MXlinuxbuilders-net.mail.protection.outlook.com2015-11-10 → 2026-08-04 · 3 obs

○ 2015-07-06 22:38:26
● 2015-11-10 12:51:40
● 2026-08-04 01:35:16

○MXsusel.crazyrat.net2007-10-11 → 2007-10-11 · 3 obs

● 2007-10-11 12:54:06
○ 2015-07-06 22:38:26
○ 2026-08-04 01:35:16

●A104.21.1.712026-06-17 → 2026-08-04 · 3 obs

○ 2019-01-11 21:25:02
● 2026-06-17 20:15:02
● 2026-08-04 01:35:16

●A172.67.128.1942026-06-17 → 2026-08-04 · 3 obs

○ 2019-01-11 21:25:02
● 2026-06-17 20:15:02
● 2026-08-04 01:35:16

○A213.25.101.1512007-10-11 → 2007-10-11 · 3 obs

● 2007-10-11 12:54:06
○ 2015-07-06 22:38:26
○ 2026-08-04 01:35:16

●A2606:4700:3031::6815:1472026-06-25 → 2026-08-04 · 3 obs

○ 2026-06-17 20:15:02
● 2026-06-25 07:27:36
● 2026-08-04 01:35:16

●A2606:4700:3034::ac43:80c22026-06-25 → 2026-08-04 · 3 obs

○ 2026-06-17 20:15:02
● 2026-06-25 07:27:36
● 2026-08-04 01:35:16

○A2606:4700:3035::6815:1472026-06-17 → 2026-06-17 · 4 obs

○ 2019-01-11 21:25:02
● 2026-06-17 20:15:02
○ 2026-06-25 07:27:36
○ 2026-08-04 01:35:16

○A2606:4700:3037::ac43:80c22026-06-17 → 2026-06-17 · 4 obs

○ 2019-01-11 21:25:02
● 2026-06-17 20:15:02
○ 2026-06-25 07:27:36
○ 2026-08-04 01:35:16

○A34.198.182.2012017-02-07 → 2019-01-11 · 5 obs

○ 2016-05-04 01:58:54
● 2017-02-07 07:04:32
● 2019-01-11 21:25:02
○ 2026-06-17 20:15:02
○ 2026-08-04 01:35:16

○A50.19.220.1542015-07-06 → 2016-05-04 · 5 obs

○ 2007-10-11 12:54:06
● 2015-07-06 22:38:26
● 2016-05-04 01:58:54
○ 2017-02-07 07:04:32
○ 2026-08-04 01:35:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	f.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net...	-
linuxbuilders.net	carl.ns.cloudflare.com, laylah.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.230

NS records: carl.ns.cloudflare.com, laylah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxbuilders.net (unsigned zone)

⏱️ Timing

Total: 466ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.1.71, 172.67.128.194`
AAAA	2	`2606:4700:3031::6815:147, 2606:4700:3034::ac43:80c2`
NS	2	`carl.ns.cloudflare.com, laylah.ns.cloudflare.com`
MX	1	`linuxbuilders-net.mail.protection.outloo`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`carl.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

linuxbuilders.net is a parent domain of www.linuxbuilders.net.

IP Addresses

linuxbuilders.net has four IP addresses: 104.21.1.71, 172.67.128.194, 2606:4700:3031::6815:147 and 2606:4700:3034::ac43:80c2.

shermanplayhouse.org, ns1.agenciacarti.com.br, olx.1322.click and two other host names share IP numbers with linuxbuilders.net.

Name Servers

linuxbuilders.net is delegated to two name servers: carl.ns.cloudflare.com and laylah.ns.cloudflare.com.

linuxbuilders.net shares the same name server configuration with naatudeals.com, cyntion.com, erofmv2033.workers.dev and abrahamr.com.

linuxbuilders.net shares at least some of its name servers with other domains, including 5percangol.com, casino398.com, allstarstate.com and two others.

These name servers are frequently seen alongside the name servers adi.ns.cloudflare.com, colin.ns.cloudflare.com, teagan.ns.cloudflare.com and harvey.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

carl.ns.cloudflare.com resolves to 108.162.193.106, 172.64.33.106, 173.245.59.106 and 3 other IP addresses.

laylah.ns.cloudflare.com resolves to 108.162.194.230, 162.159.38.230, 172.64.34.230 and 3 other IP addresses.

Mail Servers

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

The mail server configuration of linuxbuilders.net is identical to that of other domains — www.linuxbuilders.net being one example.

linuxbuilders-net.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.149.0, 52.101.149.1, 52.101.151.0 and 5 others.

linuxbuilders.net - robtex.com