`knowhubcentral.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:838f^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:416^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.22^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.143^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chuck.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b56^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chuck.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c156^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chuck.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2156^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chuck.ns.cloudflare.com`
		A	108.162.193.86^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chuck.ns.cloudflare.com`
		A	172.64.33.86^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chuck.ns.cloudflare.com`
		A	173.245.59.86^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chuck.ns.cloudflare.com`
NS	`raina.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`raina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`raina.ns.cloudflare.com`
		A	108.162.194.241^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raina.ns.cloudflare.com`
		A	162.159.38.241^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raina.ns.cloudflare.com`
		A	172.64.34.241^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raina.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.22, 172.67.131.143
		IPv6 hints	2606:4700:3032::ac43:838f, 2606:4700:3037::6815:416
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=54, name=cloudflare-ech.com
SOA	`chuck.ns.cloudflare.com`dns@cloudflare.com serial=2399115185

`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=1775474287

⚠️ On DNS blocklist: tif

Same first word

knowhubcentral.org

knowhubcentral.com

DNS History

6 records (6 active, 0 former)

●NSchuck.ns.cloudflare.com2026-03-28 → 2026-04-06 · 2 obs

● 2026-03-28 07:58:56
● 2026-04-06 11:20:30

●NSraina.ns.cloudflare.com2026-03-28 → 2026-04-06 · 2 obs

● 2026-03-28 07:58:56
● 2026-04-06 11:20:30

●A104.21.4.222026-03-28 → 2026-04-06 · 2 obs

● 2026-03-28 07:58:56
● 2026-04-06 11:20:30

●A172.67.131.1432026-03-28 → 2026-04-06 · 2 obs

● 2026-03-28 07:58:56
● 2026-04-06 11:20:30

●A2606:4700:3032::ac43:838f2026-03-28 → 2026-04-06 · 2 obs

● 2026-03-28 07:58:56
● 2026-04-06 11:20:30

●A2606:4700:3037::6815:4162026-03-28 → 2026-04-06 · 2 obs

● 2026-03-28 07:58:56
● 2026-04-06 11:20:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net...	-
knowhubcentral.com	chuck.ns.cloudflare.com, raina.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.241

NS records: chuck.ns.cloudflare.com, raina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowhubcentral.com (unsigned zone)

⏱️ Timing

Total: 247ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.131.143, 104.21.4.22`
AAAA	2	`2606:4700:3037::6815:416, 2606:4700:3032::ac43:838f`
NS	2	`chuck.ns.cloudflare.com, raina.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chuck.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

knowhubcentral.com points to four IP numbers: 2606:4700:3032::ac43:838f, 2606:4700:3037::6815:416, 104.21.4.22 and 172.67.131.143.

Other host names, for instance franklintnvet.com, atetek.com, orangutansonline.com, www.reauxvets.com and educare.edu.vn share IP numbers with knowhubcentral.com.

Name Servers

Delegation for knowhubcentral.com rests with two name servers, chuck.ns.cloudflare.com and raina.ns.cloudflare.com.

knowhubcentral.com shares the same name server setup as other domains, including netlambda.com, mindexpandinstitute.com, intellectzoneacademy.com, inkhappened.com and tornexalaunch.com.

knowhubcentral.com at least partially shares name servers with other domains, for instance aesdef.com, momxl.com, splashgay(0x706f726e).com, laced.eu and vetapprovedrx.com.

These name servers are commonly used with the name servers glen.ns.cloudflare.com.

Host names with six IP numbers: chuck.ns.cloudflare.com points to: 2606:4700:58::adf5:3b56, 2803:f800:50::6ca2:c156, 2a06:98c1:50::ac40:2156, 108.162.193.86, 172.64.33.86 and 173.245.59.86. raina.ns.cloudflare.com points to: 2606:4700:50::a29f:26f1, 2803:f800:50::6ca2:c2f1, 2a06:98c1:50::ac40:22f1, 108.162.194.241, 162.159.38.241 and 172.64.34.241.

knowhubcentral.com - robtex.com