🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`randomknowledge.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:56d2^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:88df^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.86.210^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.223^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cass.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c051^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cass.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2051^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cass.ns.cloudflare.com`
		A	108.162.192.81^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	172.64.32.81^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	173.245.58.81^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
NS	`isaac.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bb1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isaac.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isaac.ns.cloudflare.com`
		A	108.162.193.177^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	172.64.33.177^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
		A	173.245.59.177^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isaac.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.86.210, 172.67.136.223
		IPv6 hints	2606:4700:3031::6815:56d2, 2606:4700:3033::ac43:88df
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=237, name=cloudflare-ech.com
SOA	`cass.ns.cloudflare.com`dns@cloudflare.com serial=2411248941

`net`

	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=1789994519

Same first word

randomknowledge.com

randomknowledge.net

randomknowledge.org

Previous names

Next names

DNS History

21 records (11 active, 10 former)

●NScass.ns.cloudflare.com2015-12-07 → 2026-09-21 · 3 obs

○ 2015-08-15 05:11:06
● 2015-12-07 15:29:40
● 2026-09-21 12:58:16

●NSisaac.ns.cloudflare.com2015-12-07 → 2026-09-21 · 3 obs

○ 2015-08-15 05:11:06
● 2015-12-07 15:29:40
● 2026-09-21 12:58:16

○NSns11.cloudns.net2015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 05:11:06
○ 2015-12-07 15:29:40
○ 2026-09-21 12:58:16

○NSns12.cloudns.net2015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 05:11:06
○ 2015-12-07 15:29:40
○ 2026-09-21 12:58:16

○NSns13.cloudns.net2015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 05:11:06
○ 2015-12-07 15:29:40
○ 2026-09-21 12:58:16

○NSns14.cloudns.net2015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 05:11:06
○ 2015-12-07 15:29:40
○ 2026-09-21 12:58:16

●MXalt1.aspmx.l.google.com2015-08-15 → 2026-09-21 · 2 obs

● 2015-08-15 05:11:06
● 2026-09-21 12:58:16

●MXalt2.aspmx.l.google.com2015-08-15 → 2026-09-21 · 2 obs

● 2015-08-15 05:11:06
● 2026-09-21 12:58:16

●MXaspmx.l.google.com2015-08-15 → 2026-09-21 · 2 obs

● 2015-08-15 05:11:06
● 2026-09-21 12:58:16

●MXaspmx2.googlemail.com2015-08-15 → 2026-09-21 · 2 obs

● 2015-08-15 05:11:06
● 2026-09-21 12:58:16

●MXaspmx3.googlemail.com2015-08-15 → 2026-09-21 · 2 obs

● 2015-08-15 05:11:06
● 2026-09-21 12:58:16

●A104.21.86.2102026-08-20 → 2026-09-21 · 3 obs

○ 2017-08-21 19:58:16
● 2026-08-20 23:55:18
● 2026-09-21 12:58:16

○A104.27.170.122015-12-07 → 2017-08-21 · 5 obs

○ 2015-08-15 05:11:06
● 2015-12-07 15:29:40
● 2017-08-21 19:58:16
○ 2026-08-20 23:55:18
○ 2026-09-21 12:58:16

○A104.27.171.122015-12-07 → 2017-08-21 · 5 obs

○ 2015-08-15 05:11:06
● 2015-12-07 15:29:40
● 2017-08-21 19:58:16
○ 2026-08-20 23:55:18
○ 2026-09-21 12:58:16

○A107.191.109.512015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 05:11:06
○ 2015-12-07 15:29:40
○ 2026-09-21 12:58:16

●A172.67.136.2232026-08-20 → 2026-09-21 · 3 obs

○ 2017-08-21 19:58:16
● 2026-08-20 23:55:18
● 2026-09-21 12:58:16

○A2400:cb00:2048:1::681b:aa0c2015-12-07 → 2017-08-21 · 5 obs

○ 2015-08-15 05:11:06
● 2015-12-07 15:29:40
● 2017-08-21 19:58:16
○ 2026-08-20 23:55:18
○ 2026-09-21 12:58:16

○A2400:cb00:2048:1::681b:ab0c2015-12-07 → 2017-08-21 · 5 obs

○ 2015-08-15 05:11:06
● 2015-12-07 15:29:40
● 2017-08-21 19:58:16
○ 2026-08-20 23:55:18
○ 2026-09-21 12:58:16

○A2604:180:2::ea1f:90e02015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 05:11:06
○ 2015-12-07 15:29:40
○ 2026-09-21 12:58:16

●A2606:4700:3031::6815:56d22026-08-20 → 2026-09-21 · 3 obs

○ 2017-08-21 19:58:16
● 2026-08-20 23:55:18
● 2026-09-21 12:58:16

●A2606:4700:3033::ac43:88df2026-08-20 → 2026-09-21 · 3 obs

○ 2017-08-21 19:58:16
● 2026-08-20 23:55:18
● 2026-09-21 12:58:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	h.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net...	-
randomknowledge.net	cass.ns.cloudflare.com, isaac.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.81

NS records: cass.ns.cloudflare.com, isaac.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for randomknowledge.net (unsigned zone)

⏱️ Timing

Total: 952ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.86.210, 172.67.136.223`
AAAA	2	`2606:4700:3033::ac43:88df, 2606:4700:3031::6815:56d2`
NS	2	`cass.ns.cloudflare.com, isaac.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cass.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

randomknowledge.net resolves to four IP addresses: 104.21.86.210, 172.67.136.223, 2606:4700:3031::6815:56d2 and 2606:4700:3033::ac43:88df.

Two other host names, along with egyptianpublishers.org, rtfm.nz and mail.acangroup.com.au, also share IP numbers with randomknowledge.net.

Name Servers

randomknowledge.net uses two name servers for its delegation: cass.ns.cloudflare.com and isaac.ns.cloudflare.com.

randomknowledge.net shares its NS records with other domains, for example chobi-hige.net, teplodom78.ru, word-spring.com and two others.

randomknowledge.net has at least partial name server overlap with other domains, such as elizabeth0594phillips.pages.dev, bladeballarena.com, mnl168.cam and two others.

It is common to find these name servers paired with the name servers aragorn.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname cass.ns.cloudflare.com directs to 108.162.192.81, 172.64.32.81 and 173.245.58.81 along with 3 other IP addresses.

Hostname isaac.ns.cloudflare.com directs to 108.162.193.177, 172.64.33.177 and 173.245.59.177 along with 3 other IP addresses.

Mail Servers

randomknowledge.net is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between randomknowledge.net and other domains, including ceapam.com, mainegold.com, voluchi.com and two others.

These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com directs traffic to 192.178.234.27 and 2800:3f0:4003:c14::1b.

aspmx3.googlemail.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com directs traffic to 192.178.155.26 and 2607:f8b0:4004:c29::1a.

alt1.aspmx.l.google.com directs traffic to 192.178.234.27 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.

Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 2800:3f0:4003:c14::1b IP addresses each.

Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 192.178.234.27 IP addresses each.

Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 2a00:1450:400b:c02::1a IP addresses each.

Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 172.253.116.27 IP addresses each.