🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`linuxcprogramming.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:59c1^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:a48e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.193^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.142^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`fred.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c171^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fred.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2171^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fred.ns.cloudflare.com`
		A	108.162.193.113^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	172.64.33.113^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	173.245.59.113^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
NS	`lily.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a82^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c082^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lily.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2082^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lily.ns.cloudflare.com`
		A	108.162.192.130^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
		A	172.64.32.130^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
		A	173.245.58.130^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	172.253.139.26^{🇺🇸 Google172.253.139.0/24}
			PTR	`yuiadsk-in-f26.1e100.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.89.193, 172.67.164.142
		IPv6 hints	2606:4700:3033::6815:59c1, 2606:4700:3033::ac43:a48e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=139, name=cloudflare-ech.com
SOA	`fred.ns.cloudflare.com`dns@cloudflare.com serial=2413088107

`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=1788296600

Same first word

linuxcprogramming.com

Previous names

Next names

DNS History

14 records (7 active, 7 former)

●NSfred.ns.cloudflare.com2026-08-19 → 2026-09-01 · 3 obs

○ 2018-06-29 00:46:10
● 2026-08-19 22:54:20
● 2026-09-01 21:07:36

●NSlily.ns.cloudflare.com2026-08-19 → 2026-09-01 · 3 obs

○ 2018-06-29 00:46:10
● 2026-08-19 22:54:20
● 2026-09-01 21:07:36

○NSm1.nuyens.org2016-12-15 → 2018-06-29 · 4 obs

● 2016-12-15 21:30:36
● 2018-06-29 00:46:10
○ 2026-08-19 22:54:20
○ 2026-09-01 21:07:36

○NSns6.gandi.net2016-12-15 → 2018-06-29 · 4 obs

● 2016-12-15 21:30:36
● 2018-06-29 00:46:10
○ 2026-08-19 22:54:20
○ 2026-09-01 21:07:36

●MXaspmx.l.google.com2016-12-15 → 2026-09-01 · 2 obs

● 2016-12-15 21:30:36
● 2026-09-01 21:07:36

●A104.21.89.1932026-08-19 → 2026-09-01 · 5 obs

○ 2018-06-29 00:46:10
● 2026-08-19 22:54:20
○ 2026-08-31 11:19:52
● 2026-09-01 00:17:34
● 2026-09-01 21:07:36

●A172.67.164.1422026-08-19 → 2026-09-01 · 5 obs

○ 2018-06-29 00:46:10
● 2026-08-19 22:54:20
○ 2026-08-31 11:19:52
● 2026-09-01 00:17:34
● 2026-09-01 21:07:36

○A188.114.96.02026-08-31 → 2026-08-31 · 4 obs

○ 2026-08-19 22:54:20
● 2026-08-31 11:19:52
○ 2026-09-01 00:17:34
○ 2026-09-01 21:07:36

○A188.114.97.02026-08-31 → 2026-08-31 · 4 obs

○ 2026-08-19 22:54:20
● 2026-08-31 11:19:52
○ 2026-09-01 00:17:34
○ 2026-09-01 21:07:36

●A2606:4700:3033::6815:59c12026-08-19 → 2026-09-01 · 5 obs

○ 2018-06-29 00:46:10
● 2026-08-19 22:54:20
○ 2026-08-31 11:19:52
● 2026-09-01 00:17:34
● 2026-09-01 21:07:36

●A2606:4700:3033::ac43:a48e2026-08-19 → 2026-09-01 · 5 obs

○ 2018-06-29 00:46:10
● 2026-08-19 22:54:20
○ 2026-08-31 11:19:52
● 2026-09-01 00:17:34
● 2026-09-01 21:07:36

○A2a06:98c1:3120::2026-08-31 → 2026-08-31 · 4 obs

○ 2026-08-19 22:54:20
● 2026-08-31 11:19:52
○ 2026-09-01 00:17:34
○ 2026-09-01 21:07:36

○A2a06:98c1:3121::2026-08-31 → 2026-08-31 · 4 obs

○ 2026-08-19 22:54:20
● 2026-08-31 11:19:52
○ 2026-09-01 00:17:34
○ 2026-09-01 21:07:36

○A78.46.77.492016-12-15 → 2018-06-29 · 4 obs

● 2016-12-15 21:30:36
● 2018-06-29 00:46:10
○ 2026-08-19 22:54:20
○ 2026-09-01 21:07:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net...	-
linuxcprogramming.com	fred.ns.cloudflare.com, lily.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.130

NS records: fred.ns.cloudflare.com, lily.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxcprogramming.com (unsigned zone)

⏱️ Timing

Total: 896ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.89.193, 172.67.164.142`
AAAA	2	`2606:4700:3033::ac43:a48e, 2606:4700:3033::6815:59c1`
NS	2	`fred.ns.cloudflare.com, lily.ns.cloudflare.com`
MX	1	`aspmx.l.google.com (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`fred.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

linuxcprogramming.com directs to four IP numbers, which are 104.21.89.193, 172.67.164.142, 2606:4700:3033::6815:59c1 and 2606:4700:3033::ac43:a48e.

Among the host names that share IP numbers with linuxcprogramming.com are insurancemotortrade.co.uk, www.porka.org, hotcollegechicks.com and two others.

Name Servers

linuxcprogramming.com is delegated to two name servers: fred.ns.cloudflare.com and lily.ns.cloudflare.com.

linuxcprogramming.com has the same name server delegation as a number of other domains, such as blazespark.it, faciltur.com.br, robonotic.ca and two more.

There is at least partial name server overlap between linuxcprogramming.com and other domains — masonic-tools.co.uk, fernandesgestaoimobiliaria.com, bbmarinadicamerota.com and two more among them.

These name servers tend to appear in combination with the name servers ian.ns.cloudflare.com, daisy.ns.cloudflare.com, fatima.ns.cloudflare.com and magali.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

fred.ns.cloudflare.com resolves to 108.162.193.113, 172.64.33.113, 173.245.59.113 and 3 other IP addresses.

lily.ns.cloudflare.com resolves to 108.162.192.130, 172.64.32.130, 173.245.58.130 and 3 other IP addresses.

Mail Servers

linuxcprogramming.com routes its mail through a single mail server, aspmx.l.google.com.

linuxcprogramming.com has the same mail server arrangement as a number of other domains, for example cogentco.wpengine.com, kaysconcretefinishers.com, supplychaincaninc.com and two more.

linuxcprogramming.com shares at least some of its mail servers with other domains — for example itsallaboutthatroll.com, chatinator.net, stephaniehcochrane.com and two more.

It is common to find these mail servers paired with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.

aspmx.l.google.com carries two IP numbers: 172.253.139.26 and 2607:f8b0:4004:c1b::1a.

linuxcprogramming.com - robtex.com