🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`linuxsystemsprogramming.com`

DNSSEC	⚠️ Not signed
A	45.84.74.9^{🇩🇪 MNET-AS45.84.74.0/23 DE-JAMBIT-CoLo via M-net}
		PTR	`jira-p00179602.jambit.com`
NS	`curitiba.ns.porkbun.com` ⭐
		A	2400:cb00:2049:1::adf5:3a25^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	173.245.58.37^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`fortaleza.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:88c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.8.140^{Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`maceio.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:bb4^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.11.180^{Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`salvador.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:a96^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.10.150^{Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
SOA	`curitiba.ns.porkbun.com`dns@cloudflare.com serial=2399226206

`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=1788343235

Same first word

linuxsystemsprogramming.com

Previous names

Next names

linuxt.com

linuxtab.com

linuxtablet.com

linuxtablets.com

linuxtac.com

linuxtag-voucher.com

linuxtag.com

linuxtage.com

linuxtail.com

linuxtalent.com

linuxtalk.com

linuxtalkforums.com

linuxtalks.com

DNS History

19 records (10 active, 9 former)

●NScuritiba.ns.porkbun.com2026-08-30 → 2026-09-02 · 3 obs

○ 2018-08-30 21:43:24
● 2026-08-30 04:50:20
● 2026-09-02 10:06:44

●NSfortaleza.ns.porkbun.com2026-08-30 → 2026-09-02 · 3 obs

○ 2018-08-30 21:43:24
● 2026-08-30 04:50:20
● 2026-09-02 10:06:44

●NSmaceio.ns.porkbun.com2026-08-30 → 2026-09-02 · 3 obs

○ 2018-08-30 21:43:24
● 2026-08-30 04:50:20
● 2026-09-02 10:06:44

○NSns-125-a.gandi.net2018-08-30 → 2018-08-30 · 4 obs

○ 2017-02-05 17:22:32
● 2018-08-30 21:43:24
○ 2026-08-30 04:50:20
○ 2026-09-02 10:06:44

○NSns-24-b.gandi.net2018-08-30 → 2018-08-30 · 4 obs

○ 2017-02-05 17:22:32
● 2018-08-30 21:43:24
○ 2026-08-30 04:50:20
○ 2026-09-02 10:06:44

○NSns-95-c.gandi.net2018-08-30 → 2018-08-30 · 4 obs

○ 2017-02-05 17:22:32
● 2018-08-30 21:43:24
○ 2026-08-30 04:50:20
○ 2026-09-02 10:06:44

○NSns1.gandi.net2018-08-30 → 2018-08-30 · 4 obs

○ 2017-02-05 17:22:32
● 2018-08-30 21:43:24
○ 2026-08-30 04:50:20
○ 2026-09-02 10:06:44

○NSns17.domaincontrol.com2015-07-19 → 2017-02-05 · 4 obs

● 2015-07-19 07:59:34
● 2017-02-05 17:22:32
○ 2018-08-30 21:43:24
○ 2026-09-02 10:06:44

○NSns18.domaincontrol.com2015-07-19 → 2017-02-05 · 4 obs

● 2015-07-19 07:59:34
● 2017-02-05 17:22:32
○ 2018-08-30 21:43:24
○ 2026-09-02 10:06:44

●NSsalvador.ns.porkbun.com2026-08-30 → 2026-09-02 · 3 obs

○ 2018-08-30 21:43:24
● 2026-08-30 04:50:20
● 2026-09-02 10:06:44

●MXalt1.aspmx.l.google.com2018-08-30 → 2026-09-02 · 3 obs

○ 2017-02-05 17:22:32
● 2018-08-30 21:43:24
● 2026-09-02 10:06:44

●MXalt2.aspmx.l.google.com2018-08-30 → 2026-09-02 · 3 obs

○ 2017-02-05 17:22:32
● 2018-08-30 21:43:24
● 2026-09-02 10:06:44

●MXalt3.aspmx.l.google.com2018-08-30 → 2026-09-02 · 3 obs

○ 2017-02-05 17:22:32
● 2018-08-30 21:43:24
● 2026-09-02 10:06:44

●MXalt4.aspmx.l.google.com2018-08-30 → 2026-09-02 · 3 obs

○ 2017-02-05 17:22:32
● 2018-08-30 21:43:24
● 2026-09-02 10:06:44

●MXaspmx.l.google.com2018-08-30 → 2026-09-02 · 3 obs

○ 2017-02-05 17:22:32
● 2018-08-30 21:43:24
● 2026-09-02 10:06:44

○MXmailstore1.secureserver.net2015-07-19 → 2017-02-05 · 4 obs

● 2015-07-19 07:59:34
● 2017-02-05 17:22:32
○ 2018-08-30 21:43:24
○ 2026-09-02 10:06:44

○MXsmtp.secureserver.net2015-07-19 → 2017-02-05 · 4 obs

● 2015-07-19 07:59:34
● 2017-02-05 17:22:32
○ 2018-08-30 21:43:24
○ 2026-09-02 10:06:44

○A213.131.240.1742015-07-19 → 2018-08-30 · 4 obs

● 2015-07-19 07:59:34
● 2018-08-30 21:43:24
○ 2026-08-30 04:50:20
○ 2026-09-02 10:06:44

●A45.84.74.92026-08-30 → 2026-09-02 · 3 obs

○ 2018-08-30 21:43:24
● 2026-08-30 04:50:20
● 2026-09-02 10:06:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...	-
linuxsystemsprogramming.com	maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com	8 records

✅ Authoritative Response

Server:162.159.8.140

NS records: maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxsystemsprogramming.com (unsigned zone)

⏱️ Timing

Total: 289ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.84.74.9`
NS	4	`curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
SOA	1	`curitiba.ns.porkbun.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (maceio.ns.porkbun.com, maceio.ns.porkbun.com, salvador.ns.porkbun.com...)

Analysis

IP Addresses

linuxsystemsprogramming.com resolves to one IP address: 45.84.74.9.

michaelkerrisk.com, man7.org, linuxprogramminginterface.com and two other host names share IP numbers with linuxsystemsprogramming.com.

Name Servers

The authoritative name servers for linuxsystemsprogramming.com are curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

There is at least partial name server overlap between linuxsystemsprogramming.com and other domains — risingherofitness.com, salvatorephoto.com, lasnubes.com and two more among them.

All four hostnames — curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com — resolve to two IP numbers apiece: curitiba.ns.porkbun.com to 173.245.58.37 and 2400:cb00:2049:1::adf5:3a25; fortaleza.ns.porkbun.com to 162.159.8.140 and 2400:cb00:2049:1::a29f:88c; maceio.ns.porkbun.com to 162.159.11.180 and 2400:cb00:2049:1::a29f:bb4; salvador.ns.porkbun.com to 162.159.10.150 and 2400:cb00:2049:1::a29f:a96.

Mail Servers

Five mail servers handle linuxsystemsprogramming.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

linuxsystemsprogramming.com has at least partial mail server overlap with other domains such as sixthscoop.com, heights-slp.com, plandese.com and two more.

These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com has two IP addresses: 64.233.180.26 and 2607:f8b0:4004:c29::1a.

alt1.aspmx.l.google.com has two IP addresses: 192.178.234.26 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1b.