🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`selfknowledgecenter.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c657^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5a59^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.89^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.198.87^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`tess.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ae3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tess.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tess.ns.cloudflare.com`
		A	108.162.192.227^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	172.64.32.227^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
		A	173.245.58.227^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tess.ns.cloudflare.com`
NS	`will.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c195^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`will.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2195^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`will.ns.cloudflare.com`
		A	108.162.193.149^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	172.64.33.149^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	173.245.59.149^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.89, 172.67.198.87
		IPv6 hints	2606:4700:3031::ac43:c657, 2606:4700:3037::6815:5a59
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=231, name=cloudflare-ech.com
SOA	`tess.ns.cloudflare.com`dns@cloudflare.com serial=2411729092

`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=1787338854

Same first word

selfknowledgecenter.com

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NStess.ns.cloudflare.com2026-08-20 → 2026-08-21 · 2 obs

● 2026-08-20 01:47:58
● 2026-08-21 19:25:00

●NSwill.ns.cloudflare.com2026-08-20 → 2026-08-21 · 2 obs

● 2026-08-20 01:47:58
● 2026-08-21 19:25:00

●A104.21.90.892026-08-20 → 2026-08-21 · 2 obs

● 2026-08-20 01:47:58
● 2026-08-21 19:25:00

●A172.67.198.872026-08-20 → 2026-08-21 · 2 obs

● 2026-08-20 01:47:58
● 2026-08-21 19:25:00

●A2606:4700:3031::ac43:c6572026-08-20 → 2026-08-21 · 2 obs

● 2026-08-20 01:47:58
● 2026-08-21 19:25:00

●A2606:4700:3037::6815:5a592026-08-20 → 2026-08-21 · 2 obs

● 2026-08-20 01:47:58
● 2026-08-21 19:25:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
selfknowledgecenter.com	will.ns.cloudflare.com, tess.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.227

NS records: will.ns.cloudflare.com, tess.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for selfknowledgecenter.com (unsigned zone)

⏱️ Timing

Total: 210ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.90.89, 172.67.198.87`
AAAA	2	`2606:4700:3031::ac43:c657, 2606:4700:3037::6815:5a59`
NS	2	`tess.ns.cloudflare.com, will.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`tess.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

selfknowledgecenter.com resolves to four IP addresses: 104.21.90.89, 172.67.198.87, 2606:4700:3031::ac43:c657 and 2606:4700:3037::6815:5a59.

Among the host names that share IP numbers with selfknowledgecenter.com are dopemag.net, www.edge-amisto.net, www.mylovedoll.com and two others.

Name Servers

selfknowledgecenter.com uses two name servers for its delegation: tess.ns.cloudflare.com and will.ns.cloudflare.com.

selfknowledgecenter.com has the same name server delegation as a number of other domains, such as fisconsulting.com, menteconscientehoy.com, emotionalintelligencezone.com and two more.

selfknowledgecenter.com partially shares its NS delegation with several other domains, including newlesbiantube.com, collabrail.com, obsidianrange.shop and two others.

These name servers are regularly seen alongside dawn.ns.cloudflare.com and vin.ns.cloudflare.com as name servers.

Host names resolving to 6 IP numbers:

Hostname tess.ns.cloudflare.com directs to 108.162.192.227, 172.64.32.227 and 173.245.58.227 along with 3 other IP addresses.

Hostname will.ns.cloudflare.com directs to 108.162.193.149, 172.64.33.149 and 173.245.59.149 along with 3 other IP addresses.

selfknowledgecenter.com - robtex.com