programmingknowledgebase.info - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`programmingknowledgebase.info`

DNSSEC	⚠️ Not signed
NS	`charles.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b53^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c153^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`charles.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2153^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`charles.ns.cloudflare.com`
		A	108.162.193.83^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	172.64.33.83^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	173.245.59.83^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
NS	`ruth.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ruth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ruth.ns.cloudflare.com`
		A	108.162.192.143^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	172.64.32.143^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	173.245.58.143^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
SOA	`charles.ns.cloudflare.com`dns@cloudflare.com serial=2413958437

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1788782281

Same first word

programmingknowledgebase.info

Previous names

programmingforbeginners.info

programminghelp.info

programminginterviews.info

programmingisfun.info

programmingkids.info

Next names

programmingreference.info

programmingtools.info

programmist.info

programmistu.info

programmitv.info

programmitvsorrisi.info

programmload.info

programmmed.info

programmojprad.info

DNS History

2 records (2 active, 0 former)

●NScharles.ns.cloudflare.com2026-08-19 → 2026-09-07 · 2 obs

● 2026-08-19 09:02:08
● 2026-09-07 12:32:42

●NSruth.ns.cloudflare.com2026-08-19 → 2026-09-07 · 2 obs

● 2026-08-19 09:02:08
● 2026-09-07 12:32:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a2.info.afilias-nst.info, a0.info.afilias-nst.info, c0.info.afilias-nst.info	-
programmingknowledgebase.info	ruth.ns.cloudflare.com, charles.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.143

NS records: ruth.ns.cloudflare.com, charles.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programmingknowledgebase.info (unsigned zone)

⏱️ Timing

Total: 441ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`charles.ns.cloudflare.com, ruth.ns.cloudflare.com`
SOA	1	`charles.ns.cloudflare.com dns.cloudflare`

Analysis

Name Servers

programmingknowledgebase.info uses two name servers for its delegation: charles.ns.cloudflare.com and ruth.ns.cloudflare.com.

programmingknowledgebase.info has the same name server delegation as a number of other domains, such as environmentalforensics.mom, zoologicaltaxidermyart.boutique, lytemorix.world and two more.

There is at least partial name server overlap between programmingknowledgebase.info and other domains — limmatberatung.com, website-berastogel-v14.pages.dev, 85hh.vip and two more among them.

These name servers are routinely deployed together with the name servers keyla.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname charles.ns.cloudflare.com directs to 108.162.193.83, 172.64.33.83 and 173.245.59.83 along with 3 other IP addresses.

Hostname ruth.ns.cloudflare.com directs to 108.162.192.143, 172.64.32.143 and 173.245.58.143 along with 3 other IP addresses.