knowledgebase.com - dns.ninja

`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	2606:4700:3033::6815:9c^{🇺🇸 Cloudflare2606:4700:3033::/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:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-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	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-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, 2606:4700:3033::6815:9c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=251, name=cloudflare-ech.com
SOA	`ruth.ns.cloudflare.com`dns@cloudflare.com serial=2410383874

`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=1785085922

rank #414579 globally
rank #171618 in the tld

Subdomains

www.knowledgebase.com

Same first word

Similar names

baseknowledge.ai

baseknowledge.com

knolwedgebase.com

DNS History

21 records (11 active, 10 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
○ 2026-07-26 17:32:24

○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
○ 2026-07-26 17:32:24

●NSruth.ns.cloudflare.com2026-03-14 → 2026-07-26 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-07-26 17:32:24

●NSvin.ns.cloudflare.com2026-03-14 → 2026-07-26 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-07-26 17:32:24

●MXalt1.aspmx.l.google.com2026-03-14 → 2026-07-26 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-07-26 17:32:24

●MXalt2.aspmx.l.google.com2026-03-14 → 2026-07-26 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-07-26 17:32:24

●MXalt3.aspmx.l.google.com2026-03-14 → 2026-07-26 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-07-26 17:32:24

●MXalt4.aspmx.l.google.com2026-03-14 → 2026-07-26 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-07-26 17:32:24

●MXaspmx.l.google.com2026-03-14 → 2026-07-26 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-07-26 17:32:24

○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
○ 2026-07-26 17:32:24

○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
○ 2026-07-26 17:32:24

●A104.21.0.1562026-03-24 → 2026-07-26 · 18 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
● 2026-05-09 12:08:16
○ 2026-05-16 22:48:12
● 2026-05-20 15:36:04
○ 2026-05-21 21:06:38
● 2026-05-29 06:50:56
● 2026-06-09 09:28:50
○ 2026-06-17 20:51:40
● 2026-06-25 12:21:50
○ 2026-07-16 23:08:44
● 2026-07-25 20:59:48
● 2026-07-26 17:32:24

●A172.67.151.652026-03-24 → 2026-07-26 · 18 obs

○A188.114.96.02026-03-14 → 2026-07-16 · 19 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
○ 2026-05-09 12:08:16
● 2026-05-16 22:48:12
○ 2026-05-20 15:36:04
● 2026-05-21 21:06:38
○ 2026-05-29 06:50:56
○ 2026-06-09 09:28:50
● 2026-06-17 20:51:40
○ 2026-06-25 12:21:50
● 2026-07-16 23:08:44
○ 2026-07-25 20:59:48
○ 2026-07-26 17:32:24

○A188.114.97.02026-03-14 → 2026-07-16 · 19 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
○ 2026-07-26 17:32:24

●A2606:4700:3032::ac43:97412026-03-24 → 2026-07-26 · 18 obs

●A2606:4700:3033::6815:9c2026-06-25 → 2026-07-26 · 5 obs

○ 2026-06-17 20:51:40
● 2026-06-25 12:21:50
○ 2026-07-16 23:08:44
● 2026-07-25 20:59:48
● 2026-07-26 17:32:24

○A2606:4700:3035::6815:9c2026-03-24 → 2026-06-09 · 15 obs

○A2a06:98c1:3120::2026-03-14 → 2026-07-16 · 19 obs

○A2a06:98c1:3121::2026-03-14 → 2026-07-16 · 19 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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: 221ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.0.156, 172.67.151.65`
AAAA	2	`2606:4700:3033::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

www.knowledgebase.com is a subdomain of knowledgebase.com.

IP Addresses

knowledgebase.com points to the four IP addresses 104.21.0.156, 172.67.151.65, 2606:4700:3032::ac43:9741 and 2606:4700:3033::6815:9c.

Additional host names — mail.pillerutenresept.com, www.217361.com, uploadsblog.id and two others — share IP numbers with knowledgebase.com.

Name Servers

knowledgebase.com has two authoritative name servers — ruth.ns.cloudflare.com and vin.ns.cloudflare.com.

knowledgebase.com shares its name server setup with other domains, including pedroramon.com, jscode-tt-c.workers.dev, joshop.cam and two others.

The name servers of knowledgebase.com overlap at least partially with those of other domains — among them pourau.nz, thesourcebulkfoods.net, billee.com and two more.

These name servers commonly appear alongside the name servers coco.ns.cloudflare.com and seth.ns.cloudflare.com.

Host names with 6 IP numbers:

ruth.ns.cloudflare.com points to 108.162.192.143, 172.64.32.143, 173.245.58.143 and 3 other IP addresses.

vin.ns.cloudflare.com points to 108.162.193.245, 172.64.33.245, 173.245.59.245 and 3 other IP addresses.

Mail Servers

knowledgebase.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

knowledgebase.com shares mail servers — at least in part — with other domains, including igoal.com.br, westernoaks.org, lesamisdonno.com and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com resolves to 64.233.180.27 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

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

alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to 172.253.157.27 and 2a00:1450:400c:c23::1a.