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	2606:4700:3035::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:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	192.178.218.27^{🇺🇸 Google192.178.218.0/24}
			PTR	`yuiadtq-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	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.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	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.26^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f26.1e100.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=6, name=cloudflare-ech.com
SOA	`ruth.ns.cloudflare.com`dns@cloudflare.com serial=2405285041

`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=1780997291

rank #459923 globally
rank #197783 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
○ 2026-06-09 09:28:50

○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
○ 2026-06-09 09:28:50

●NSruth.ns.cloudflare.com2026-03-14 → 2026-06-09 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-06-09 09:28:50

●NSvin.ns.cloudflare.com2026-03-14 → 2026-06-09 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-06-09 09:28:50

●MXalt1.aspmx.l.google.com2026-03-14 → 2026-06-09 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-06-09 09:28:50

●MXalt2.aspmx.l.google.com2026-03-14 → 2026-06-09 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-06-09 09:28:50

●MXalt3.aspmx.l.google.com2026-03-14 → 2026-06-09 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-06-09 09:28:50

●MXalt4.aspmx.l.google.com2026-03-14 → 2026-06-09 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-06-09 09:28:50

●MXaspmx.l.google.com2026-03-14 → 2026-06-09 · 3 obs

○ 2017-07-08 00:32:04
● 2026-03-14 03:13:46
● 2026-06-09 09:28:50

○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
○ 2026-06-09 09:28:50

○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
○ 2026-06-09 09:28:50

●A104.21.0.1562026-03-24 → 2026-06-09 · 13 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

●A172.67.151.652026-03-24 → 2026-06-09 · 13 obs

○A188.114.96.02026-03-14 → 2026-05-21 · 14 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

○A188.114.97.02026-03-14 → 2026-05-21 · 14 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
○ 2026-06-09 09:28:50

●A2606:4700:3032::ac43:97412026-03-24 → 2026-06-09 · 13 obs

●A2606:4700:3035::6815:9c2026-03-24 → 2026-06-09 · 13 obs

○A2a06:98c1:3120::2026-03-14 → 2026-05-21 · 14 obs

○A2a06:98c1:3121::2026-03-14 → 2026-05-21 · 14 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.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: 1228ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.0.156, 172.67.151.65`
AAAA	2	`2606:4700:3032::ac43:9741, 2606:4700:3035::6815:9c`
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 resolves to 4 IP numbers: 104.21.0.156, 172.67.151.65, 2606:4700:3032::ac43:9741 and 2606:4700:3035::6815:9c.

Additional host names — mail.pillerutenresept.com, www.217361.com, 7photo.net 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, cpamap.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, etigutu.top and two more.

The name servers seth.ns.cloudflare.com, coco.ns.cloudflare.com and fred.ns.cloudflare.com are commonly seen alongside these name servers.

Host names with 6 IP numbers:

ruth.ns.cloudflare.com resolves to 108.162.192.143, 172.64.32.143 and 173.245.58.143, along with three other IP addresses.

vin.ns.cloudflare.com resolves to 108.162.193.245, 172.64.33.245 and 173.245.59.245, along with three other IP addresses.

Mail Servers

knowledgebase.com is handled by 5 mail servers: 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 192.178.218.27 and 2607:f8b0:4004:c1d::1a.

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

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.

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

alt4.aspmx.l.google.com resolves to 173.194.76.26 and 2a00:1450:400c:c00::1a.