`knowledgelab.study`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:29e3^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:c396^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.227^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.195.150^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`grace.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`grace.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`grace.ns.cloudflare.com`
		A	108.162.192.159^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	172.64.32.159^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
		A	173.245.58.159^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`grace.ns.cloudflare.com`
NS	`tadeo.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cc5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tadeo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tadeo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tadeo.ns.cloudflare.com`
		A	108.162.195.197^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tadeo.ns.cloudflare.com`
		A	162.159.44.197^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tadeo.ns.cloudflare.com`
		A	172.64.35.197^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tadeo.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.227, 172.67.195.150
		IPv6 hints	2606:4700:3031::6815:29e3, 2606:4700:3031::ac43:c396
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=56, name=cloudflare-ech.com
SOA	`grace.ns.cloudflare.com`dns@cloudflare.com serial=2400175179

`study`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.study` ⭐
	NS	`b.nic.study`
	NS	`c.nic.study`
	NS	`x.nic.study`
	NS	`y.nic.study`
	NS	`z.nic.study`
	SOA	`a.nic.study`admin@tldns.godaddy serial=1778416381

⚠️ On DNS blocklist: tif

Same first word

knowledgelab.com

knowledgelab.us

knowledgelab.de

knowledgelab.study

knowledgelab.in

knowledgelab.dk

knowledgelab.org.uk

Similar names

knowledgeabl.com

DNS History

6 records (6 active, 0 former)

●NSgrace.ns.cloudflare.com2026-05-06 → 2026-05-10 · 2 obs

● 2026-05-06 16:56:04
● 2026-05-10 12:53:36

●NStadeo.ns.cloudflare.com2026-05-06 → 2026-05-10 · 2 obs

● 2026-05-06 16:56:04
● 2026-05-10 12:53:36

●A104.21.41.2272026-05-06 → 2026-05-10 · 2 obs

● 2026-05-06 16:56:04
● 2026-05-10 12:53:36

●A172.67.195.1502026-05-06 → 2026-05-10 · 2 obs

● 2026-05-06 16:56:04
● 2026-05-10 12:53:36

●A2606:4700:3031::6815:29e32026-05-06 → 2026-05-10 · 2 obs

● 2026-05-06 16:56:04
● 2026-05-10 12:53:36

●A2606:4700:3031::ac43:c3962026-05-06 → 2026-05-10 · 2 obs

● 2026-05-06 16:56:04
● 2026-05-10 12:53:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
study	b.nic.study, a.nic.study, z.nic.study, y.nic.study...	12 records
knowledgelab.study	grace.ns.cloudflare.com, tadeo.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.197

NS records: grace.ns.cloudflare.com, tadeo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgelab.study (unsigned zone)

⏱️ Timing

Total: 215ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.41.227, 172.67.195.150`
AAAA	2	`2606:4700:3031::ac43:c396, 2606:4700:3031::6815:29e3`
NS	2	`grace.ns.cloudflare.com, tadeo.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`grace.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (z.nic.study, y.nic.study, x.nic.study...)

Analysis

IP Addresses

knowledgelab.study maps to four IP numbers: 2606:4700:3031::6815:29e3, 2606:4700:3031::ac43:c396, 104.21.41.227 and 172.67.195.150.

Other host names, for instance www.mergemedia.life, www.oahvmrbvqsuey.online, rentcarauckland.store, portal.acshippingjm.com and docusign.quvexia.cfd share IP numbers with knowledgelab.study.

Name Servers

Two name servers grace.ns.cloudflare.com and tadeo.ns.cloudflare.com are delegated to knowledgelab.study.

knowledgelab.study uses the same name server configuration as other domains, such as luxritual.beauty, joyland.baby, fairgreen.ie, mindstack.sbs and leadforce.top.

knowledgelab.study at least partially shares name servers with other domains such as seriboo.com, exafix.com, 7acfcfbf755b.com, terosoft.com and karenslovak.com.

These name servers are commonly used with pablo.ns.cloudflare.com and shaz.ns.cloudflare.com.

Host names with six IP numbers: Host name grace.ns.cloudflare.com points to 2606:4700:50::adf5:3a9f, 2803:f800:50::6ca2:c09f, 2a06:98c1:50::ac40:209f, 108.162.192.159, 172.64.32.159 and 173.245.58.159; host name tadeo.ns.cloudflare.com points to 2606:4700:58::a29f:2cc5, 2803:f800:50::6ca2:c3c5, 2a06:98c1:50::ac40:23c5, 108.162.195.197, 162.159.44.197 and 172.64.35.197.

knowledgelab.study - robtex.com