`knowledgebase.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:9741^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:9c^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.0.156^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.151.65^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ruth.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ruth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ruth.ns.cloudflare.com`
		A	108.162.192.143^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	172.64.32.143^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	173.245.58.143^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.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`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c27::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadsk-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.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	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`apple-domain-verification=tPlbd8bIzPEcvHD44eNB9LhEzwBX3s6B_RbWLpPnge0`
TXT	`google-site-verification=44avr7fzqGQDfZw8EkqYvaHPF3m-pYtusBMK3qWn8EI`
TXT	`google-site-verification=ISvKTTBfU1KZA8johouLyEMcGvp0dIFovcFu0M0cPOk`
TXT	`v=spf1 include:_spf.google.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.0.156, 172.67.151.65
		IPv6 hints	2606:4700:3032::ac43:9741, 2606:4700:3035::6815:9c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=93, name=cloudflare-ech.com
SOA	`ruth.ns.cloudflare.com`dns@cloudflare.com serial=2400186576

`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=1777005416

rank #452910 globally
rank #197772 in the tld

Subdomains

www.knowledgebase.com

Same first word

Similar names

baseknowledge.com

knolwedgebase.com

DNS History

20 records (11 active, 9 former)

○NSns1.tierra.net2015-06-12 → 2017-07-08 · 4 obs

● 2015-06-12 12:04:32
● 2017-07-08 00:32:04
○ 2026-03-14 03:13:46
○ 2026-04-24 04:52:14

○NSns2.tierra.net2015-06-12 → 2017-07-08 · 4 obs

● 2015-06-12 12:04:32
● 2017-07-08 00:32:04
○ 2026-03-14 03:13:46
○ 2026-04-24 04:52:14

●NSruth.ns.cloudflare.com2026-03-14 → 2026-04-24 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-04-24 04:52:14

●NSvin.ns.cloudflare.com2026-03-14 → 2026-04-24 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-04-24 04:52:14

●MXalt1.aspmx.l.google.com2026-03-14 → 2026-04-24 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-04-24 04:52:14

●MXalt2.aspmx.l.google.com2026-03-14 → 2026-04-24 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-04-24 04:52:14

●MXalt3.aspmx.l.google.com2026-03-14 → 2026-04-24 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-04-24 04:52:14

●MXalt4.aspmx.l.google.com2026-03-14 → 2026-04-24 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-04-24 04:52:14

●MXaspmx.l.google.com2026-03-14 → 2026-04-24 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-04-24 04:52:14

○MXmx1.daemonmail.net2015-06-12 → 2017-07-08 · 4 obs

● 2015-06-12 12:04:32
● 2017-07-08 00:32:04
○ 2026-03-14 03:13:46
○ 2026-04-24 04:52:14

○MXmx2.daemonmail.net2015-06-12 → 2017-07-08 · 4 obs

● 2015-06-12 12:04:32
● 2017-07-08 00:32:04
○ 2026-03-14 03:13:46
○ 2026-04-24 04:52:14

●A104.21.0.1562026-03-24 → 2026-04-24 · 8 obs

○ 2026-03-14 03:13:46
● 2026-03-24 17:01:52
● 2026-04-09 10:14:54
○ 2026-04-10 14:23:54
● 2026-04-22 02:51:54
○ 2026-04-22 11:53:52
● 2026-04-24 04:52:12
● 2026-04-24 04:52:14

●A172.67.151.652026-03-24 → 2026-04-24 · 8 obs

○ 2026-03-14 03:13:46
● 2026-03-24 17:01:52
● 2026-04-09 10:14:54
○ 2026-04-10 14:23:54
● 2026-04-22 02:51:54
○ 2026-04-22 11:53:52
● 2026-04-24 04:52:12
● 2026-04-24 04:52:14

○A188.114.96.02026-03-14 → 2026-04-22 · 9 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
○ 2026-03-24 17:01:52
○ 2026-04-09 10:14:54
● 2026-04-10 14:23:54
○ 2026-04-22 02:51:54
● 2026-04-22 11:53:52
○ 2026-04-24 04:52:12
○ 2026-04-24 04:52:14

○A188.114.97.02026-03-14 → 2026-04-22 · 9 obs

○A209.240.157.352015-06-12 → 2017-07-08 · 4 obs

● 2015-06-12 12:04:32
● 2017-07-08 00:32:04
○ 2026-03-14 03:13:46
○ 2026-04-24 04:52:14

●A2606:4700:3032::ac43:97412026-03-24 → 2026-04-24 · 8 obs

○ 2026-03-14 03:13:46
● 2026-03-24 17:01:52
● 2026-04-09 10:14:54
○ 2026-04-10 14:23:54
● 2026-04-22 02:51:54
○ 2026-04-22 11:53:52
● 2026-04-24 04:52:12
● 2026-04-24 04:52:14

●A2606:4700:3035::6815:9c2026-03-24 → 2026-04-24 · 8 obs

○ 2026-03-14 03:13:46
● 2026-03-24 17:01:52
● 2026-04-09 10:14:54
○ 2026-04-10 14:23:54
● 2026-04-22 02:51:54
○ 2026-04-22 11:53:52
● 2026-04-24 04:52:12
● 2026-04-24 04:52:14

○A2a06:98c1:3120::2026-03-14 → 2026-04-22 · 9 obs

○A2a06:98c1:3121::2026-03-14 → 2026-04-22 · 9 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
knowledgebase.com	ruth.ns.cloudflare.com, vin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.245

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgebase.com (unsigned zone)

⏱️ Timing

Total: 163ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.0.156, 172.67.151.65`
AAAA	2	`2606:4700:3035::6815:9c, 2606:4700:3032::ac43:9741`
NS	2	`ruth.ns.cloudflare.com, vin.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	4	`apple-domain-verification=tPlbd8bIzPEcvH, google-site-verification=44avr7fzqGQDfZw...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ruth.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

knowledgebase.com is a parent of www.knowledgebase.com.

IP Addresses

knowledgebase.com points to four IP numbers: 2606:4700:3032::ac43:9741, 2606:4700:3035::6815:9c, 104.21.0.156 and 172.67.151.65.

Other host names, for instance mail.pillerutenresept.com, 7photo.net, iraqiforum.net, fishinggames.net and lapture.com share IP numbers with knowledgebase.com.

Name Servers

Delegation for knowledgebase.com rests with two name servers, ruth.ns.cloudflare.com and vin.ns.cloudflare.com.

knowledgebase.com shares the same name server setup as other domains, including pedroramon.com, jscode-tt-c.workers.dev, joshop.cam, imceleb.com and erotikgamez.com.

knowledgebase.com at least partially shares name servers with other domains, for instance pourau.nz, thesourcebulkfoods.net, iebo.edu.mx, greenecountymosheriff.org and surestech.com.

These name servers are commonly used with seth.ns.cloudflare.com and coco.ns.cloudflare.com.

Host names with six IP numbers: ruth.ns.cloudflare.com points to: 2606:4700:50::adf5:3a8f, 2803:f800:50::6ca2:c08f, 2a06:98c1:50::ac40:208f, 108.162.192.143, 172.64.32.143 and 173.245.58.143. vin.ns.cloudflare.com points to: 2606:4700:58::adf5:3bf5, 2803:f800:50::6ca2:c1f5, 2a06:98c1:50::ac40:21f5, 108.162.193.245, 172.64.33.245 and 173.245.59.245.

Mail Servers

knowledgebase.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

knowledgebase.com shares mail servers with other domains at least in part, for instance igoal.com.br, westernoaks.org, lesamisdonno.com, expert-reputation.com and sqc1043.org.

these mail servers are often used with aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c27::1a and 142.251.163.27.

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.26.

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

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.26.

alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27.

knowledgebase.com - robtex.com