🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowledge.center`

DNSSEC	⚠️ Not signed
A	3.33.139.32^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`aeedc42b70c898c66.awsglobalaccelerator.com`
NS	`ns1.markmonitor.com` ⭐
		A	2620:10a:80a8::1^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.1^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns2.markmonitor.com`
		A	2001:67c:10b8::1^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.markmonitor.com`
		A	176.97.158.1^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.markmonitor.com`
NS	`ns3.markmonitor.com` ⚠️ Not in parent delegation
		A	2620:10a:80a9::1^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.1^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns4.markmonitor.com` ⚠️ Not in parent delegation
		A	2001:67c:1bc::1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.markmonitor.com`
		A	192.174.68.1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.markmonitor.com`
NS	`ns5.markmonitor.com` ⚠️ Not in parent delegation
		A	2620:10a:80a8::2^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.2^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns6.markmonitor.com` ⚠️ Not in parent delegation
		A	2001:67c:10b8::3^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns6.markmonitor.com`
		A	176.97.158.3^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns6.markmonitor.com`
NS	`ns7.markmonitor.com` ⚠️ Not in parent delegation
		A	2620:10a:80a9::2^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.2^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2024-12-19 #1

`center`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.center` ⭐
	NS	`v0n1.nic.center`
	NS	`v0n2.nic.center`
	NS	`v0n3.nic.center`
	NS	`v2n0.nic.center`
	NS	`v2n1.nic.center`
	SOA	`v0n0.nic.center`hostmaster@donuts.email serial=1786832032

⚠️ On DNS blocklist: spam-tlds

Same first word

knowledge.discount

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.me

knowledge.capital

knowledge.construction

knowledge.com.pa

knowledge.su

knowledge.ca

knowledge.ru

knowledge.ch

knowledge.io

knowledge.money

knowledge.co.uk

knowledge.systems

knowledge.works

knowledge.gratis

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.com.in

knowledge.wine

knowledge.wiki

knowledge.net.nz

knowledge.or.kr

knowledge.org.uk

knowledge.ne.jp

knowledge.kr

knowledge.no-ip.org

knowledge.agency

knowledge.cn.com

knowledge.co.th

knowledge.be

knowledge.com

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.business

knowledge.li

knowledge.at

knowledge.la

knowledge.org.ua

knowledge.it

knowledge.gr

knowledge.edu.krd

knowledge.tech

knowledge.ee

knowledge.enterprises

knowledge.tv

Similar names

knolwedge.com

egdelwonk.com

knowlegde.com

kwonglede.com

ledgeknow.com

degenkolw.dk

DNS History

12 records (8 active, 4 former)

●NSns1.markmonitor.com2026-02-18 → 2026-08-15 · 3 obs

○ 2018-01-06 16:06:46
● 2026-02-18 20:45:44
● 2026-08-15 22:59:38

●NSns2.markmonitor.com2026-02-18 → 2026-08-15 · 3 obs

○ 2018-01-06 16:06:46
● 2026-02-18 20:45:44
● 2026-08-15 22:59:38

●NSns3.markmonitor.com2026-02-18 → 2026-08-15 · 3 obs

○ 2018-01-06 16:06:46
● 2026-02-18 20:45:44
● 2026-08-15 22:59:38

●NSns4.markmonitor.com2026-02-18 → 2026-08-15 · 3 obs

○ 2018-01-06 16:06:46
● 2026-02-18 20:45:44
● 2026-08-15 22:59:38

●NSns5.markmonitor.com2026-02-18 → 2026-08-15 · 3 obs

○ 2018-01-06 16:06:46
● 2026-02-18 20:45:44
● 2026-08-15 22:59:38

●NSns6.markmonitor.com2026-02-18 → 2026-08-15 · 3 obs

○ 2018-01-06 16:06:46
● 2026-02-18 20:45:44
● 2026-08-15 22:59:38

●NSns7.markmonitor.com2026-02-18 → 2026-08-15 · 3 obs

○ 2018-01-06 16:06:46
● 2026-02-18 20:45:44
● 2026-08-15 22:59:38

○NSnsgbr.comlaude.co.uk2016-12-11 → 2018-01-06 · 4 obs

● 2016-12-11 00:10:46
● 2018-01-06 16:06:46
○ 2026-02-18 20:45:44
○ 2026-08-15 22:59:38

○NSnssui.comlaude.ch2016-12-11 → 2018-01-06 · 4 obs

● 2016-12-11 00:10:46
● 2018-01-06 16:06:46
○ 2026-02-18 20:45:44
○ 2026-08-15 22:59:38

○NSnsusa.comlaude.net2016-12-11 → 2018-01-06 · 4 obs

● 2016-12-11 00:10:46
● 2018-01-06 16:06:46
○ 2026-02-18 20:45:44
○ 2026-08-15 22:59:38

○A212.95.239.2342016-12-11 → 2018-01-06 · 4 obs

● 2016-12-11 00:10:46
● 2018-01-06 16:06:46
○ 2026-02-18 20:45:44
○ 2026-08-15 22:59:38

●A3.33.139.322026-02-18 → 2026-08-15 · 3 obs

○ 2018-01-06 16:06:46
● 2026-02-18 20:45:44
● 2026-08-15 22:59:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
center	v0n0.nic.center, v0n1.nic.center, v0n2.nic.center, v0n3.nic.center...	12 records
knowledge.center	ns2.markmonitor.com, ns1.markmonitor.com	-

✅ Authoritative Response

Server:176.97.158.1

NS records: ns2.markmonitor.com, ns1.markmonitor.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge.center (unsigned zone)

⏱️ Timing

Total: 442ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.33.139.32`
NS	7	`ns1.markmonitor.com, ns2.markmonitor.com...`
SOA	1	`ns1.markmonitor.com hostmaster.markmonit`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.center, v0n1.nic.center, v0n2.nic.center...)

Analysis

IP Addresses

knowledge.center resolves to just one IP address, 3.33.139.32.

Two other host names, along with awschime.com, easyjet4parking.uk and luvfinderz.com, also share IP numbers with knowledge.center.

Name Servers

knowledge.center carries NS records listing 7 name servers — ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and 4 others.

There is at least partial name server overlap between knowledge.center and other domains — posttrade.biz, findthecontract.com, m9rningstar.com and two more among them.

These name servers tend to appear in combination with the name servers ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

Host names that have two IP addresses:

The A records for ns1.markmonitor.com return 149.112.160.1 and 2620:10a:80a8::1.

The A records for ns2.markmonitor.com return 176.97.158.1 and 2001:67c:10b8::1.

The A records for ns3.markmonitor.com return 149.112.161.1 and 2620:10a:80a9::1.

The A records for ns4.markmonitor.com return 192.174.68.1 and 2001:67c:1bc::1.

The A records for ns5.markmonitor.com return 149.112.160.2 and 2620:10a:80a8::2.

The A records for ns6.markmonitor.com return 176.97.158.3 and 2001:67c:10b8::3.

The A records for ns7.markmonitor.com return 149.112.161.2 and 2620:10a:80a9::2.

knowledge.center - robtex.com