`knowdust.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:4144^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9f08^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.65.68^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.8^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`otto.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c87^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c387^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`otto.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2387^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`otto.ns.cloudflare.com`
		A	108.162.195.135^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	162.159.44.135^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	172.64.35.135^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
NS	`thea.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`thea.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`thea.ns.cloudflare.com`
		A	108.162.194.247^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	162.159.38.247^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
		A	172.64.34.247^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thea.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽¹⁴⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁶⁷⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`google-site-verification=ToYlgxLAWz0EdAkIYxAOgBgwTN_UScDDqoVnZonLpQ0`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.65.68, 172.67.159.8
		IPv6 hints	2606:4700:3037::6815:4144, 2606:4700:3037::ac43:9f08
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=17, name=cloudflare-ech.com
SOA	`otto.ns.cloudflare.com`dns@cloudflare.com serial=2402691147

`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=1777364501

Same first word

knowdust.com

DNS History

9 records (9 active, 0 former)

●NSotto.ns.cloudflare.com2026-04-08 → 2026-04-28 · 2 obs

● 2026-04-08 10:59:12
● 2026-04-28 08:40:32

●NSthea.ns.cloudflare.com2026-04-08 → 2026-04-28 · 2 obs

● 2026-04-08 10:59:12
● 2026-04-28 08:40:32

●MXroute1.mx.cloudflare.net2026-04-08 → 2026-04-28 · 2 obs

● 2026-04-08 10:59:12
● 2026-04-28 08:40:32

●MXroute2.mx.cloudflare.net2026-04-08 → 2026-04-28 · 2 obs

● 2026-04-08 10:59:12
● 2026-04-28 08:40:32

●MXroute3.mx.cloudflare.net2026-04-08 → 2026-04-28 · 2 obs

● 2026-04-08 10:59:12
● 2026-04-28 08:40:32

●A104.21.65.682026-04-08 → 2026-04-28 · 2 obs

● 2026-04-08 10:59:12
● 2026-04-28 08:40:32

●A172.67.159.82026-04-08 → 2026-04-28 · 2 obs

● 2026-04-08 10:59:12
● 2026-04-28 08:40:32

●A2606:4700:3037::6815:41442026-04-08 → 2026-04-28 · 2 obs

● 2026-04-08 10:59:12
● 2026-04-28 08:40:32

●A2606:4700:3037::ac43:9f082026-04-08 → 2026-04-28 · 2 obs

● 2026-04-08 10:59:12
● 2026-04-28 08:40:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
knowdust.com	thea.ns.cloudflare.com, otto.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.135

NS records: thea.ns.cloudflare.com, otto.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowdust.com (unsigned zone)

⏱️ Timing

Total: 238ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.65.68, 172.67.159.8`
AAAA	2	`2606:4700:3037::ac43:9f08, 2606:4700:3037::6815:4144`
NS	2	`otto.ns.cloudflare.com, thea.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 13), route2.mx.cloudflare.net (pri: 14)...`
TXT	2	`google-site-verification=ToYlgxLAWz0EdAk, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`otto.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

knowdust.com points to four IP numbers: 2606:4700:3037::6815:4144, 2606:4700:3037::ac43:9f08, 104.21.65.68 and 172.67.159.8.

Other host names, for instance h2433.cn, mail.outfit.gr, need-for-speed-games.com, groupmatrix.digital and www.stream4free.tv share IP numbers with knowdust.com.

Name Servers

knowdust.com's delegation is to two name servers otto.ns.cloudflare.com and thea.ns.cloudflare.com.

knowdust.com shares the same name server configuration as other domains, such as eveshop.com.tr, herheartlandsoul.com, jerdiggity.com, cymbalcrash.com and desynes.com.

knowdust.com at least partially shares its name servers with other domains, for instance 32087.cn, 20.255.65.in-addr.arpa, suluss.com, zdkqc.com and tianshangrenjianktv.com.

These name servers are commonly used with ezra.ns.cloudflare.com, lilyana.ns.cloudflare.com and matias.ns.cloudflare.com.

Host names with six IP numbers:

otto.ns.cloudflare.com points to: 2606:4700:58::a29f:2c87, 2803:f800:50::6ca2:c387, 2a06:98c1:50::ac40:2387, 108.162.195.135, 162.159.44.135 and 172.64.35.135.

thea.ns.cloudflare.com points to: 2606:4700:50::a29f:26f7, 2803:f800:50::6ca2:c2f7, 2a06:98c1:50::ac40:22f7, 108.162.194.247, 162.159.38.247 and 172.64.34.247.

Mail Servers

knowdust.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

knowdust.com shares some mail servers with other domains, including fblinker.com, similars.net, zap.delivery, visionpol.org and skngu.ru.

Host names with six IP numbers:

route1.mx.cloudflare.net has IPs 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net has IPs 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net has IPs 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

knowdust.com - robtex.com

knowdust.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`knowdust.com`

`com`