🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`programing-knowledge.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:9b53^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:4218^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.24^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.83^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lakas.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bc2^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c1c2^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:21c2^{Cloudflare2a06:98c1:50::/45}
		A	108.162.193.194^{Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.33.194^{Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.194^{Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`nadia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3acf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nadia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0cf^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nadia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20cf^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nadia.ns.cloudflare.com`
		A	108.162.192.207^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nadia.ns.cloudflare.com`
		A	172.64.32.207^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nadia.ns.cloudflare.com`
		A	173.245.58.207^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nadia.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	2607:f8b0:4004:c29::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f27.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f26.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
TXT	`google-site-verification=OywpBd1q3TfCADUHC_l_KEuBU1OKKwhilgDbVUJVOPY`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.66.24, 172.67.155.83
		IPv6 hints	2606:4700:3035::ac43:9b53, 2606:4700:3036::6815:4218
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=250, name=cloudflare-ech.com
SOA	`lakas.ns.cloudflare.com`dns@cloudflare.com serial=2416984902

`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=1794270591

Same first word

programing-knowledge.net

Previous names

programhome.net

programhouse.net

programhub.net

programi.net

programia.net

programic.net

programical.net

programico.net

programika.net

programin.net

programind.net

programindir.net

programing.net

Next names

DNS History

11 records (7 active, 4 former)

●NSlakas.ns.cloudflare.com2026-09-23 → 2026-11-10 · 2 obs

● 2026-09-23 18:40:58
● 2026-11-10 01:14:24

●NSnadia.ns.cloudflare.com2026-09-23 → 2026-11-10 · 2 obs

● 2026-09-23 18:40:58
● 2026-11-10 01:14:24

●MXsmtp.google.com2026-09-23 → 2026-11-10 · 2 obs

● 2026-09-23 18:40:58
● 2026-11-10 01:14:24

●A104.21.66.242026-10-03 → 2026-11-10 · 5 obs

○ 2026-09-23 18:40:58
● 2026-10-03 15:31:34
○ 2026-10-28 14:43:42
● 2026-11-10 01:03:36
● 2026-11-10 01:14:24

●A172.67.155.832026-10-03 → 2026-11-10 · 5 obs

○ 2026-09-23 18:40:58
● 2026-10-03 15:31:34
○ 2026-10-28 14:43:42
● 2026-11-10 01:03:36
● 2026-11-10 01:14:24

○A188.114.96.02026-09-23 → 2026-10-28 · 5 obs

● 2026-09-23 18:40:58
○ 2026-10-03 15:31:34
● 2026-10-28 14:43:42
○ 2026-11-10 01:03:36
○ 2026-11-10 01:14:24

○A188.114.97.02026-09-23 → 2026-10-28 · 5 obs

● 2026-09-23 18:40:58
○ 2026-10-03 15:31:34
● 2026-10-28 14:43:42
○ 2026-11-10 01:03:36
○ 2026-11-10 01:14:24

●A2606:4700:3035::ac43:9b532026-10-03 → 2026-11-10 · 5 obs

○ 2026-09-23 18:40:58
● 2026-10-03 15:31:34
○ 2026-10-28 14:43:42
● 2026-11-10 01:03:36
● 2026-11-10 01:14:24

●A2606:4700:3036::6815:42182026-10-03 → 2026-11-10 · 5 obs

○ 2026-09-23 18:40:58
● 2026-10-03 15:31:34
○ 2026-10-28 14:43:42
● 2026-11-10 01:03:36
● 2026-11-10 01:14:24

○A2a06:98c1:3120::2026-09-23 → 2026-10-28 · 5 obs

● 2026-09-23 18:40:58
○ 2026-10-03 15:31:34
● 2026-10-28 14:43:42
○ 2026-11-10 01:03:36
○ 2026-11-10 01:14:24

○A2a06:98c1:3121::2026-09-23 → 2026-10-28 · 5 obs

● 2026-09-23 18:40:58
○ 2026-10-03 15:31:34
● 2026-10-28 14:43:42
○ 2026-11-10 01:03:36
○ 2026-11-10 01:14:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
programing-knowledge.net	lakas.ns.cloudflare.com, nadia.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.194

NS records: lakas.ns.cloudflare.com, nadia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programing-knowledge.net (unsigned zone)

⏱️ Timing

Total: 628ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.66.24, 172.67.155.83`
AAAA	2	`2606:4700:3036::6815:4218, 2606:4700:3035::ac43:9b53`
NS	2	`lakas.ns.cloudflare.com, nadia.ns.cloudflare.com`
MX	1	`SMTP.GOOGLE.COM (pri: 1)`
TXT	2	`google-site-verification=OywpBd1q3TfCADU, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lakas.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

programing-knowledge.net resolves to four IP addresses: 104.21.66.24, 172.67.155.83, 2606:4700:3035::ac43:9b53 and 2606:4700:3036::6815:4218.

meumundofit.com, grinklelflet.pro, connectionnow.shop plus two other host names have IP numbers in common with programing-knowledge.net.

Name Servers

The NS records for programing-knowledge.net delegate to lakas.ns.cloudflare.com and nadia.ns.cloudflare.com.

The name server configuration of programing-knowledge.net is shared with other domains, for instance flower-chatbot.pages.dev, sophiakhamush.com, parsa2.workers.dev and two others.

programing-knowledge.net partially shares its NS delegation with several other domains, including motiveflow.io, yt4rwoexqx2f9.shop, hesshalsenan-123.workers.dev and two others.

These name servers are regularly seen alongside deb.ns.cloudflare.com and brit.ns.cloudflare.com as name servers.

Hosts with 6 IP addresses each:

lakas.ns.cloudflare.com maps to 108.162.193.194, 172.64.33.194, 173.245.59.194 and 3 additional IP addresses.

nadia.ns.cloudflare.com maps to 108.162.192.207, 172.64.32.207, 173.245.58.207 and 3 additional IP addresses.

Mail Servers

programing-knowledge.net uses one mail server — smtp.google.com.

The mail server setup of programing-knowledge.net matches that of other domains such as pathwayscom.net, gettheidaxis.com, emwaretechnologies.com and two others.

At least some of the mail servers used by programing-knowledge.net are shared with other domains: 2brotherspestcontrolofohio.com, vidareempresarial.com.br, myfedretirementwerks.co and two others among them.

smtp.google.com has 9 IP addresses: 142.251.16.26, 142.251.16.27, 142.251.111.26 plus 6 more.

programing-knowledge.net - robtex.com