`knowledge.systems`

DNSSEC	⚠️ Not signed
A	3.33.130.190^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`a2aa9ff50de748dbe.awsglobalaccelerator.com`
A	15.197.148.33^{🇺🇸 Amazon15.197.144.0/20}
NS	`ns39.domaincontrol.com` ⭐
		A	2603:5:21d1::14^{🇺🇸 GODADDY-DNS2603:5:21d0::/44}
			PTR	`ns39.domaincontrol.com`
		A	97.74.109.20^{🇺🇸 GODADDY-DNS97.74.108.0/23}
			PTR	`ns39.domaincontrol.com`
NS	`ns40.domaincontrol.com`
		A	2603:5:22d1::14^{🇺🇸 GODADDY-DNS2603:5:22d0::/44}
			PTR	`ns40.domaincontrol.com`
		A	173.201.77.20^{🇺🇸 GODADDY-DNS173.201.76.0/23}
			PTR	`ns40.domaincontrol.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
SOA	`ns39.domaincontrol.com`dns@jomax.net 2023-09-19 #0

`systems`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.systems` ⭐
	NS	`v0n1.nic.systems`
	NS	`v0n2.nic.systems`
	NS	`v0n3.nic.systems`
	NS	`v2n0.nic.systems`
	NS	`v2n1.nic.systems`
	SOA	`v0n0.nic.systems`hostmaster@donuts.email serial=1778347047

Same first word

knowledge.ne.jp

knowledge.kr

knowledge.no-ip.org

knowledge.agency

knowledge.buzz

knowledge.cn.com

knowledge.co.th

knowledge.be

knowledge.org

knowledge.kz

knowledge.ie

knowledge.net

knowledge.com.br

knowledge.tank.jp

knowledge.company

knowledge.pl

knowledge.pk

knowledge.community

knowledge.kitchen

knowledge.li

knowledge.at

knowledge.la

knowledge.org.ua

knowledge.it

knowledge.gr

knowledge.edu.krd

knowledge.ee

knowledge.tv

knowledge.edu.pl

knowledge.city

knowledge.org.tw

knowledge.cz

knowledge.bio

knowledge.life

knowledge.no

knowledge.cards

knowledge.cafe

knowledge.services

knowledge.homes

knowledge.store

knowledge.de.com

knowledge.capital

knowledge.com.pa

knowledge.su

knowledge.sk

knowledge.ca

knowledge.ru

knowledge.ch

knowledge.io

knowledge.co.uk

knowledge.systems

knowledge.works

knowledge.productions

knowledge.chat

knowledge.center

knowledge.com.kw

knowledge.network

knowledge.university

knowledge.builders

knowledge.de

knowledge.info

knowledge.academy

knowledge.asia

knowledge.lv

knowledge.ly

knowledge.com.in

knowledge.wiki

knowledge.net.nz

knowledge.or.kr

knowledge.org.uk

Similar names

knolwedge.com

egdelwonk.com

knowlegde.com

kwonglede.com

ledgeknow.com

degenkolw.dk

DNS History

7 records (6 active, 1 former)

●NSns39.domaincontrol.com2016-12-10 → 2026-05-09 · 2 obs

● 2016-12-10 21:40:02
● 2026-05-09 17:42:48

●NSns40.domaincontrol.com2016-12-10 → 2026-05-09 · 2 obs

● 2016-12-10 21:40:02
● 2026-05-09 17:42:48

●MXmailstore1.secureserver.net2016-12-10 → 2026-05-09 · 2 obs

● 2016-12-10 21:40:02
● 2026-05-09 17:42:48

●MXsmtp.secureserver.net2016-12-10 → 2026-05-09 · 2 obs

● 2016-12-10 21:40:02
● 2026-05-09 17:42:48

●A15.197.148.332026-03-15 → 2026-05-09 · 3 obs

○ 2016-12-10 21:40:02
● 2026-03-15 00:25:02
● 2026-05-09 17:42:48

○A184.168.221.542016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 21:40:02
○ 2026-03-15 00:25:02
○ 2026-05-09 17:42:48

●A3.33.130.1902026-03-15 → 2026-05-09 · 3 obs

○ 2016-12-10 21:40:02
● 2026-03-15 00:25:02
● 2026-05-09 17:42:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
systems	v0n0.nic.systems, v0n1.nic.systems, v0n2.nic.systems, v0n3.nic.systems...	-
knowledge.systems	ns40.domaincontrol.com, ns39.domaincontrol.com	-

✅ Authoritative Response

Server:97.74.109.20

NS records: ns40.domaincontrol.com, ns39.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge.systems (unsigned zone)

⏱️ Timing

Total: 430ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.33.130.190, 15.197.148.33`
NS	2	`ns39.domaincontrol.com, ns40.domaincontrol.com`
MX	2	`mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0)`
SOA	1	`ns39.domaincontrol.com dns.jomax.net`

Analysis

IP Addresses

knowledge.systems points to two IP numbers: 3.33.130.190 and 15.197.148.33.

Other host names such as sacramentosrealestateagents.com, howtocarnival.com, paulnabti.com, tomrich.net and thechristianbusinessowner.com share IP numbers with knowledge.systems.

Name Servers

knowledge.systems is delegated to two name servers: ns39.domaincontrol.com and ns40.domaincontrol.com.

knowledge.systems uses the same name server setup as other domains, including idc-group.com, allensvariety.com, theweakestlinkcasting.com, jmsbands.com and luxbit.com.

Host names with two IP numbers:

ns39.domaincontrol.com points to 2603:5:21d1::14 and 97.74.109.20.

ns40.domaincontrol.com points to 2603:5:22d1::14 and 173.201.77.20.

Mail Servers

knowledge.systems is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.

knowledge.systems uses the same mail server setup as other domains, for instance pappulife.com, foodranker.com, leopelletier.com, kartmin.com and iamducked.com.

Some mail servers are shared between knowledge.systems and other domains, for instance anjitvs.in.

Host names with three IP numbers:

mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162; smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.

knowledge.systems - robtex.com