🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowledgeopens.com`

DNSSEC	⚠️ Not signed
A	159.203.70.252^{🇺🇸 DIGITALOCEAN159.203.64.0/20 DigitalOcean}
NS	`ns-cloud-b1.googledomains.com` ⭐
		A	2001:4860:4802:32::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b1.googledomains.com`
		A	216.239.32.107^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-b1.googledomains.com`
NS	`ns-cloud-b2.googledomains.com`
		A	2001:4860:4802:34::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b2.googledomains.com`
		A	216.239.34.107^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-b2.googledomains.com`
NS	`ns-cloud-b3.googledomains.com`
		A	2001:4860:4802:36::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b3.googledomains.com`
		A	216.239.36.107^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-b3.googledomains.com`
NS	`ns-cloud-b4.googledomains.com`
		A	2001:4860:4802:38::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b4.googledomains.com`
		A	216.239.38.107^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-b4.googledomains.com`
SOA	`ns-cloud-b1.googledomains.com`cloud-dns-hostmaster@google.com serial=4

`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=1794425181

Previously MX for

knowledgeopens.com

Same first word

knowledgeopens.com

Previous names

Next names

DNS History

19 records (5 active, 14 former)

●NSns-cloud-b1.googledomains.com2026-09-30 → 2026-11-11 · 3 obs

○ 2017-05-18 03:45:34
● 2026-09-30 16:33:56
● 2026-11-11 20:14:54

●NSns-cloud-b2.googledomains.com2026-09-30 → 2026-11-11 · 3 obs

○ 2017-05-18 03:45:34
● 2026-09-30 16:33:56
● 2026-11-11 20:14:54

●NSns-cloud-b3.googledomains.com2026-09-30 → 2026-11-11 · 3 obs

○ 2017-05-18 03:45:34
● 2026-09-30 16:33:56
● 2026-11-11 20:14:54

●NSns-cloud-b4.googledomains.com2026-09-30 → 2026-11-11 · 3 obs

○ 2017-05-18 03:45:34
● 2026-09-30 16:33:56
● 2026-11-11 20:14:54

○NSns1.digitalocean.com2015-12-23 → 2017-05-18 · 5 obs

○ 2015-10-15 20:59:02
● 2015-12-23 22:31:02
● 2017-05-18 03:45:34
○ 2026-09-30 16:33:56
○ 2026-11-11 20:14:54

○NSns2.digitalocean.com2015-12-23 → 2017-05-18 · 5 obs

○ 2015-10-15 20:59:02
● 2015-12-23 22:31:02
● 2017-05-18 03:45:34
○ 2026-09-30 16:33:56
○ 2026-11-11 20:14:54

○NSns3.digitalocean.com2015-12-23 → 2017-05-18 · 5 obs

○ 2015-10-15 20:59:02
● 2015-12-23 22:31:02
● 2017-05-18 03:45:34
○ 2026-09-30 16:33:56
○ 2026-11-11 20:14:54

○NSns4.chicagovps.net2015-04-22 → 2015-04-22 · 3 obs

● 2015-04-22 11:50:06
○ 2015-10-15 20:59:02
○ 2026-11-11 20:14:54

○NSns5.chicagovps.net2015-04-22 → 2015-04-22 · 3 obs

● 2015-04-22 11:50:06
○ 2015-10-15 20:59:02
○ 2026-11-11 20:14:54

○NSns55.domaincontrol.com2015-10-15 → 2015-10-15 · 4 obs

○ 2015-04-22 11:50:06
● 2015-10-15 20:59:02
○ 2015-12-23 22:31:02
○ 2026-11-11 20:14:54

○NSns56.domaincontrol.com2015-10-15 → 2015-10-15 · 4 obs

○ 2015-04-22 11:50:06
● 2015-10-15 20:59:02
○ 2015-12-23 22:31:02
○ 2026-11-11 20:14:54

○NSns6.chicagovps.net2015-04-22 → 2015-04-22 · 3 obs

● 2015-04-22 11:50:06
○ 2015-10-15 20:59:02
○ 2026-11-11 20:14:54

○NSns7.chicagovps.net2015-04-22 → 2015-04-22 · 3 obs

● 2015-04-22 11:50:06
○ 2015-10-15 20:59:02
○ 2026-11-11 20:14:54

○MXknowledgeopens.com2015-04-22 → 2015-04-22 · 3 obs

● 2015-04-22 11:50:06
○ 2015-10-15 20:59:02
○ 2026-11-11 20:14:54

○MXmailstore1.secureserver.net2015-10-15 → 2015-10-15 · 4 obs

○ 2015-04-22 11:50:06
● 2015-10-15 20:59:02
○ 2015-12-23 22:31:02
○ 2026-11-11 20:14:54

○MXsmtp.secureserver.net2015-10-15 → 2015-10-15 · 4 obs

○ 2015-04-22 11:50:06
● 2015-10-15 20:59:02
○ 2015-12-23 22:31:02
○ 2026-11-11 20:14:54

○A104.131.184.942015-10-15 → 2015-10-15 · 4 obs

○ 2015-04-22 11:50:06
● 2015-10-15 20:59:02
○ 2015-12-23 22:31:02
○ 2026-11-11 20:14:54

○A108.174.50.662015-04-22 → 2015-04-22 · 3 obs

● 2015-04-22 11:50:06
○ 2015-10-15 20:59:02
○ 2026-11-11 20:14:54

●A159.203.70.2522015-12-23 → 2026-11-11 · 3 obs

○ 2015-10-15 20:59:02
● 2015-12-23 22:31:02
● 2026-11-11 20:14:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
knowledgeopens.com	ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.36.107

NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgeopens.com (unsigned zone)

⏱️ Timing

Total: 591ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`159.203.70.252`
NS	4	`ns-cloud-b4.googledomains.com, ns-cloud-b1.googledomains.com...`
SOA	1	`ns-cloud-b1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)

Analysis

IP Addresses

knowledgeopens.com resolves to just one IP address, 159.203.70.252.

Among the host names that share IP numbers with knowledgeopens.com is bestpracticesteam.com, as one example.

Name Servers

The NS records for knowledgeopens.com point to four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.

At least some of knowledgeopens.com's name servers are shared with other domains, for example ai-control-room.com, nathanshirkey.com, wolfelec-ltd.com and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-cloud-b1.googledomains.com directs to 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com directs to 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com directs to 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com directs to 216.239.38.107 and 2001:4860:4802:38::6b.

knowledgeopens.com - robtex.com