`knowledgesystemsauthority.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:5a55^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:c652^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.85^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.198.82^{🇺🇸 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	`vin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vin.ns.cloudflare.com`
		A	108.162.193.245^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vin.ns.cloudflare.com`
		A	172.64.33.245^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vin.ns.cloudflare.com`
		A	173.245.59.245^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vin.ns.cloudflare.com`
TXT	`google-site-verification=EcChfZqoO0NH_x6VW9SxJ2sXbmVbOsn9NJZ0w-TX-xM`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.85, 172.67.198.82
		IPv6 hints	2606:4700:3031::6815:5a55, 2606:4700:3035::ac43:c652
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=240, name=cloudflare-ech.com
SOA	`tess.ns.cloudflare.com`dns@cloudflare.com serial=2410529418

`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=1785257482

Same first word

knowledgesystemsauthority.com

DNS History

6 records (6 active, 0 former)

●NStess.ns.cloudflare.com2026-07-20 → 2026-07-28 · 2 obs

● 2026-07-20 13:48:40
● 2026-07-28 17:22:04

●NSvin.ns.cloudflare.com2026-07-20 → 2026-07-28 · 2 obs

● 2026-07-20 13:48:40
● 2026-07-28 17:22:04

●A104.21.90.852026-07-20 → 2026-07-28 · 2 obs

● 2026-07-20 13:48:40
● 2026-07-28 17:22:04

●A172.67.198.822026-07-20 → 2026-07-28 · 2 obs

● 2026-07-20 13:48:40
● 2026-07-28 17:22:04

●A2606:4700:3031::6815:5a552026-07-20 → 2026-07-28 · 2 obs

● 2026-07-20 13:48:40
● 2026-07-28 17:22:04

●A2606:4700:3035::ac43:c6522026-07-20 → 2026-07-28 · 2 obs

● 2026-07-20 13:48:40
● 2026-07-28 17:22:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net...	-
knowledgesystemsauthority.com	tess.ns.cloudflare.com, vin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.227

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 162ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.198.82, 104.21.90.85`
AAAA	2	`2606:4700:3031::6815:5a55, 2606:4700:3035::ac43:c652`
NS	2	`tess.ns.cloudflare.com, vin.ns.cloudflare.com`
TXT	2	`google-site-verification=EcChfZqoO0NH_x6, v=spf1 -all`
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 (tess.ns.cloudflare.com, tess.ns.cloudflare.com, tess.ns.cloudflare.com...)

Analysis

IP Addresses

knowledgesystemsauthority.com resolves to four IP addresses: 104.21.90.85, 172.67.198.82, 2606:4700:3031::6815:5a55 and 2606:4700:3035::ac43:c652.

smtp.rexrillis.com, indototobiza.online, syphj.com plus two other host names have IP numbers in common with knowledgesystemsauthority.com.

Name Servers

Two name servers handle the delegation for knowledgesystemsauthority.com: tess.ns.cloudflare.com and vin.ns.cloudflare.com.

The name server configuration of knowledgesystemsauthority.com is shared with other domains, for instance massachusettsplumbingauthority.com, northcarolinatreeauthority.com, nationalsoftwashauthority.com and two others.

knowledgesystemsauthority.com partially shares its NS delegation with several other domains, including desarrolloagrotur.com, 9187j.com, arabgurufin-soft.com and two others.

These name servers often co-occur with the name servers coco.ns.cloudflare.com.

Hosts with 6 IP addresses each:

tess.ns.cloudflare.com resolves to 108.162.192.227, 172.64.32.227 and 173.245.58.227 among others, with 3 other IP addresses in total.

vin.ns.cloudflare.com resolves to 108.162.193.245, 172.64.33.245 and 173.245.59.245 among others, with 3 other IP addresses in total.

knowledgesystemsauthority.com - robtex.com