🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowledgeb.com`

DNSSEC	⚠️ Not signed
A	167.71.181.143^{🇺🇸 DIGITALOCEAN167.71.176.0/20 DigitalOcean}
		PTR	`cloud1.applogic.ca`
NS	`ns1.digitalocean.com` ⭐
		A	2606:4700:52::ac40:34d2^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515^{🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`v=spf1 include:_spf.protonmail.ch ip4:167.71.181.143 ~all`
TXT	`protonmail-verification=244888e86c7547611c490501a2264dacf78d8aac`
SOA	`ns1.digitalocean.com`hostmaster@knowledgeb.com serial=0

`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=1791012089

WOT: SAFE (50/100)

Same first word

knowledgeb.com

Similar names

bknowledge.com

bknowledge.org

Previous names

Next names

DNS History

30 records (6 active, 24 former)

○NSns01.cashparking.com2017-03-21 → 2017-03-21 · 4 obs

○ 2016-07-09 22:26:46
● 2017-03-21 20:44:08
○ 2026-09-18 00:36:38
○ 2026-10-03 07:28:46

●NSns1.digitalocean.com2026-09-18 → 2026-10-03 · 3 obs

○ 2017-03-21 20:44:08
● 2026-09-18 00:36:38
● 2026-10-03 07:28:46

●NSns2.digitalocean.com2026-09-18 → 2026-10-03 · 3 obs

○ 2017-03-21 20:44:08
● 2026-09-18 00:36:38
● 2026-10-03 07:28:46

○NSns2.vpweb.com2015-07-08 → 2016-03-02 · 4 obs

● 2015-07-08 22:38:46
● 2016-03-02 04:53:04
○ 2016-07-09 22:26:46
○ 2026-10-03 07:28:46

●NSns3.digitalocean.com2026-09-18 → 2026-10-03 · 3 obs

○ 2017-03-21 20:44:08
● 2026-09-18 00:36:38
● 2026-10-03 07:28:46

○NSns3.vpweb.com2015-07-08 → 2016-03-02 · 4 obs

● 2015-07-08 22:38:46
● 2016-03-02 04:53:04
○ 2016-07-09 22:26:46
○ 2026-10-03 07:28:46

○NSns4.vpweb.com2015-07-08 → 2016-03-02 · 4 obs

● 2015-07-08 22:38:46
● 2016-03-02 04:53:04
○ 2016-07-09 22:26:46
○ 2026-10-03 07:28:46

●MXmail.protonmail.ch2026-09-18 → 2026-10-03 · 3 obs

○ 2017-03-21 20:44:08
● 2026-09-18 00:36:38
● 2026-10-03 07:28:46

●MXmailsec.protonmail.ch2026-09-18 → 2026-10-03 · 3 obs

○ 2017-03-21 20:44:08
● 2026-09-18 00:36:38
● 2026-10-03 07:28:46

○MXmailstore1.secureserver.net2017-03-21 → 2017-03-21 · 3 obs

● 2017-03-21 20:44:08
○ 2026-09-18 00:36:38
○ 2026-10-03 07:28:46

○MXsmtp.secureserver.net2017-03-21 → 2017-03-21 · 3 obs

● 2017-03-21 20:44:08
○ 2026-09-18 00:36:38
○ 2026-10-03 07:28:46

●A167.71.181.1432026-09-18 → 2026-10-03 · 3 obs

○ 2017-03-21 20:44:08
● 2026-09-18 00:36:38
● 2026-10-03 07:28:46

○A176.34.232.2092015-11-14 → 2015-11-14 · 4 obs

○ 2015-07-08 22:38:46
● 2015-11-14 20:43:38
○ 2016-03-02 04:53:04
○ 2026-10-03 07:28:46

○A176.34.253.2182016-03-02 → 2016-03-02 · 4 obs

○ 2015-11-14 20:43:38
● 2016-03-02 04:53:04
○ 2016-07-09 22:26:46
○ 2026-10-03 07:28:46

○A184.168.221.962017-03-21 → 2017-03-21 · 4 obs

○ 2016-07-09 22:26:46
● 2017-03-21 20:44:08
○ 2026-09-18 00:36:38
○ 2026-10-03 07:28:46

○A46.137.110.2152016-03-02 → 2016-03-02 · 4 obs

○ 2015-11-14 20:43:38
● 2016-03-02 04:53:04
○ 2016-07-09 22:26:46
○ 2026-10-03 07:28:46

○A46.137.118.1382016-03-02 → 2016-03-02 · 4 obs

○ 2015-11-14 20:43:38
● 2016-03-02 04:53:04
○ 2016-07-09 22:26:46
○ 2026-10-03 07:28:46

○A46.137.168.2222015-11-14 → 2015-11-14 · 4 obs

○ 2015-07-08 22:38:46
● 2015-11-14 20:43:38
○ 2016-03-02 04:53:04
○ 2026-10-03 07:28:46

○A54.228.191.122016-03-02 → 2016-03-02 · 4 obs

○ 2015-11-14 20:43:38
● 2016-03-02 04:53:04
○ 2016-07-09 22:26:46
○ 2026-10-03 07:28:46

○A54.228.219.1972015-11-14 → 2015-11-14 · 4 obs

○ 2015-07-08 22:38:46
● 2015-11-14 20:43:38
○ 2016-03-02 04:53:04
○ 2026-10-03 07:28:46

○A54.228.231.162016-03-02 → 2016-03-02 · 4 obs

○ 2015-11-14 20:43:38
● 2016-03-02 04:53:04
○ 2016-07-09 22:26:46
○ 2026-10-03 07:28:46

○A54.247.170.1172015-11-14 → 2015-11-14 · 4 obs

○ 2015-07-08 22:38:46
● 2015-11-14 20:43:38
○ 2016-03-02 04:53:04
○ 2026-10-03 07:28:46

○A54.75.224.2482015-11-14 → 2015-11-14 · 4 obs

○ 2015-07-08 22:38:46
● 2015-11-14 20:43:38
○ 2016-03-02 04:53:04
○ 2026-10-03 07:28:46

○A54.75.238.2432015-11-14 → 2015-11-14 · 4 obs

○ 2015-07-08 22:38:46
● 2015-11-14 20:43:38
○ 2016-03-02 04:53:04
○ 2026-10-03 07:28:46

○A75.98.17.662015-07-08 → 2015-07-08 · 3 obs

● 2015-07-08 22:38:46
○ 2026-09-18 00:36:38
○ 2026-10-03 07:28:46

○A75.98.17.672015-07-08 → 2015-07-08 · 3 obs

● 2015-07-08 22:38:46
○ 2026-09-18 00:36:38
○ 2026-10-03 07:28:46

○A75.98.17.732015-07-08 → 2015-07-08 · 3 obs

● 2015-07-08 22:38:46
○ 2026-09-18 00:36:38
○ 2026-10-03 07:28:46

○A75.98.17.742015-07-08 → 2015-07-08 · 3 obs

● 2015-07-08 22:38:46
○ 2026-09-18 00:36:38
○ 2026-10-03 07:28:46

○A79.125.118.2192016-03-02 → 2016-03-02 · 4 obs

○ 2015-11-14 20:43:38
● 2016-03-02 04:53:04
○ 2016-07-09 22:26:46
○ 2026-10-03 07:28:46

○CNAMEdomains.freewebs.com2015-07-08 → 2015-07-08 · 3 obs

● 2015-07-08 22:38:46
○ 2015-11-14 20:43:38
○ 2026-10-03 07:28:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net...	-
knowledgeb.com	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	3 records

✅ Authoritative Response

Server:172.64.49.209

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgeb.com (unsigned zone)

⏱️ Timing

Total: 319ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`167.71.181.143`
NS	3	`ns1.digitalocean.com, ns3.digitalocean.com...`
MX	2	`mailsec.protonmail.ch (pri: 20), mail.protonmail.ch (pri: 10)`
TXT	2	`protonmail-verification=244888e86c754761, v=spf1 include:_spf.protonmail.ch ip4:16`
SOA	1	`ns1.digitalocean.com hostmaster.knowledg`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)

Analysis

IP Addresses

knowledgeb.com has exactly one IP address — 167.71.181.143.

autosocialpro.com, vibecodejoy.com, conferenceelixr.com plus two other host names have IP numbers in common with knowledgeb.com.

Name Servers

knowledgeb.com is served by three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

knowledgeb.com shares at least some of its name servers with other domains, including logicalhabits.com, usedsalvageparts.com, rpgmuse.com and two others.

The hostnames ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com each direct to two IP addresses — ns1.digitalocean.com to 172.64.52.210 and 2606:4700:52::ac40:34d2, ns2.digitalocean.com to 172.64.53.21 and 2606:4700:5a::ac40:3515, and ns3.digitalocean.com to 172.64.49.209 and 2606:4700:52::ac40:31d1.

Mail Servers

knowledgeb.com uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.

The mail server setup of knowledgeb.com matches that of other domains such as hkaa.co, ni84.com, detimigrantcenter.com and two others.

At least some of the mail servers used by knowledgeb.com are shared with other domains: proendowholesale.com, fin.archi, zefool.com and two others among them.

mail.protonmail.ch and mailsec.protonmail.ch each resolve to three IP addresses. mail.protonmail.ch resolves to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch resolves to 176.119.200.129, 185.70.42.129 and 185.205.70.129.

knowledgeb.com - robtex.com

knowledgeb.com

com

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`knowledgeb.com`

`com`