🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`knowledge.express`

DNSSEC	⚠️ Not signed
A	212.88.144.111^{🇩🇪 SAARGATE-AS212.88.128.0/19 VSENET / Teresto / artelis Nell-Breunig-Allee 6 D-66115 Saarbruecken}
NS	`ns1.domaindiscount24.net` ⭐
		A	2a04:2b00:14cc::34^{🇬🇧 RCODEZERO-ANYCAST-SEC1-TLD2a04:2b00:14cc::/48}
			PTR	`ns1.monikerdns.net`
			PTR	`ns34.i.centralnic-dns.com`
		A	193.227.117.34^{🇩🇪 RCODEZERO-ANYCAST-SEC1-TLD193.227.117.0/24}
			PTR	`ns1.domaindiscount24.net`
NS	`ns2.domaindiscount24.net`
		A	2a04:2b00:14dd::34^{🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14dd::/48}
			PTR	`ns2.monikerdns.net`
			PTR	`ns34.j.centralnic-dns.com`
		A	194.50.187.34^{🇩🇪 RCODEZERO-ANYCAST-SEC2194.50.187.0/24}
			PTR	`ns2.domaindiscount24.net`
NS	`ns3.domaindiscount24.net`
		A	2a04:2b00:14ee::34^{🇬🇧 RCODEZERO-ANYCAST-SEC22a04:2b00:14ee::/48}
			PTR	`ns3.monikerdns.net`
			PTR	`ns34.k.centralnic-dns.com`
		A	194.0.182.34^{🇩🇪 RCODEZERO-ANYCAST-SEC2194.0.182.0/24}
			PTR	`ns3.domaindiscount24.net`
MX	`knowledge-express.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:ca38::8^{🇵🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-wa4pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca38::a^{🇵🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-wa4pr05cu00102.inbound.protection.outlook.com`
		A	52.101.73.155^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.91.162^{🇪🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-matpr04cu00302.inbound.protection.outlook.com`
		A	52.101.103.143^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-miypr03cu00107.inbound.protection.outlook.com`
		A	52.101.209.153^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cpjpr04cu00101.inbound.protection.outlook.com`
TXT	`v=spf1 ip4:212.88.144.111/32 include:spf.protection.outlook.com -all`
TXT	`MS=ms63794648`
TXT	`google-site-verification=yWS84t0cdHhJZqxI1VFvniKFAOLbE19Ug2hH9c7vt4c`
SOA	`ns1.domaindiscount24.net`tech@key-systems.net 2025-09-16 #3

`express`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.express` ⭐
	NS	`v0n1.nic.express`
	NS	`v0n2.nic.express`
	NS	`v0n3.nic.express`
	NS	`v2n0.nic.express`
	NS	`v2n1.nic.express`
	SOA	`v0n0.nic.express`hostmaster@donuts.email serial=1790972764

Same first word

knowledge.org.ai

knowledge.properties

knowledge.com.sa

knowledge.free

knowledge.ws

knowledge.ai

knowledge.ovh

knowledge.com.in

knowledge.space

knowledge.clinic

knowledge.com.au

knowledge.build

knowledge.altervista.org

knowledge.care

knowledge.org.il

knowledge.wine

knowledge.school

knowledge.baby

knowledge.food

knowledge.wiki

knowledge.net.nz

knowledge.or.kr

knowledge.co.nz

knowledge.org.uk

knowledge.mom

knowledge.com.ph

knowledge.foundation

knowledge.yachts

knowledge.engineer

knowledge.love

knowledge.ml

knowledge.monster

knowledge.ne.jp

knowledge.jp

knowledge.kr

knowledge.pt

knowledge.digital

knowledge.no-ip.org

knowledge.nexus

knowledge.ventures

knowledge.za.org

knowledge.agency

knowledge.com.mt

knowledge.land

knowledge.team

knowledge.healthcare

knowledge.cash

knowledge.cn.com

knowledge.bg

knowledge.tax

knowledge.co.th

knowledge.pages.dev

knowledge.express

knowledge.es

knowledge.be

knowledge.me.uk

knowledge.video

knowledge.it.com

knowledge.com

knowledge.org

knowledge.house

knowledge.kz

knowledge.supply

knowledge.pet

knowledge.in

knowledge.cool

knowledge.ie

knowledge.net

knowledge.com.br

knowledge.tank.jp

knowledge.vet

knowledge.company

knowledge.eu

knowledge.com.tw

knowledge.pl

knowledge.shop

knowledge.vu

knowledge.pk

knowledge.community

knowledge.kitchen

knowledge.business

knowledge.sd

knowledge.industries

knowledge.com.ar

knowledge.sandvikcoromant

knowledge.at

knowledge.net.in

knowledge.mu

knowledge.bot

knowledge.la

knowledge.pics

knowledge.delivery

knowledge.org.ua

knowledge.dk

knowledge.it

knowledge.gr

knowledge.edu.krd

knowledge.tech

knowledge.ee

knowledge.enterprises

knowledge.tv

knowledge.contact

knowledge.tours

knowledge.org.in

knowledge.jp.net

knowledge.au

knowledge.discount

knowledge.trade

knowledge.cyou

knowledge.edu.pl

knowledge.show

knowledge.quest

knowledge.city

knowledge.expert

knowledge.consulting

knowledge.synology.me

knowledge.mba

knowledge.earth

knowledge.workers.dev

knowledge.work

knowledge.tel

knowledge.gives

knowledge.org.tw

knowledge.click

knowledge.cz

knowledge.travel

knowledge.edu.rs

knowledge.bio

knowledge.exposed

knowledge.mx

knowledge.guru

knowledge.codes

knowledge.life

knowledge.coop

knowledge.no

knowledge.studio

knowledge.cards

knowledge.cafe

knowledge.cx

knowledge.tm

knowledge.us

knowledge.zeabur.app

knowledge.ac

knowledge.services

knowledge.zip

knowledge.management

Similar names

egdelwonk.no

knowlegde.jp

wonkledge.com

konwledge.com.cn

konwledge.cn

knoweldge.io

eknowledg.in

egdelwonk.com

knowldege.ai

Previous names

Next names

DNS History

11 records (5 active, 6 former)

○NSns1.dnsowl.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:38:44
○ 2026-09-25 11:01:36
○ 2026-10-02 20:34:06

●NSns1.domaindiscount24.net2026-09-25 → 2026-10-02 · 3 obs

○ 2016-12-10 18:38:44
● 2026-09-25 11:01:36
● 2026-10-02 20:34:06

○NSns2.dnsowl.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:38:44
○ 2026-09-25 11:01:36
○ 2026-10-02 20:34:06

●NSns2.domaindiscount24.net2026-09-25 → 2026-10-02 · 3 obs

○ 2016-12-10 18:38:44
● 2026-09-25 11:01:36
● 2026-10-02 20:34:06

○NSns3.dnsowl.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:38:44
○ 2026-09-25 11:01:36
○ 2026-10-02 20:34:06

●NSns3.domaindiscount24.net2026-09-25 → 2026-10-02 · 3 obs

○ 2016-12-10 18:38:44
● 2026-09-25 11:01:36
● 2026-10-02 20:34:06

●MXknowledge-express.mail.protection.outlook.com2026-09-25 → 2026-10-02 · 2 obs

● 2026-09-25 11:01:36
● 2026-10-02 20:34:06

○A107.161.23.2042016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:38:44
○ 2026-09-25 11:01:36
○ 2026-10-02 20:34:06

○A164.132.212.722016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:38:44
○ 2026-09-25 11:01:36
○ 2026-10-02 20:34:06

○A167.114.213.1992016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 18:38:44
○ 2026-09-25 11:01:36
○ 2026-10-02 20:34:06

●A212.88.144.1112026-09-25 → 2026-10-02 · 3 obs

○ 2016-12-10 18:38:44
● 2026-09-25 11:01:36
● 2026-10-02 20:34:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
express	v0n0.nic.express, v0n1.nic.express, v0n2.nic.express, v0n3.nic.express...	12 records
knowledge.express	ns3.domaindiscount24.net, ns1.domaindiscount24.net, ns2.domaindiscount24.net	-

✅ Authoritative Response

Server:194.0.182.34

NS records: ns3.domaindiscount24.net, ns1.domaindiscount24.net, ns2.domaindiscount24.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledge.express (unsigned zone)

⏱️ Timing

Total: 942ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.88.144.111`
NS	3	`ns3.domaindiscount24.net, ns1.domaindiscount24.net...`
MX	1	`knowledge-express.mail.protection.outloo`
TXT	3	`v=spf1 ip4:212.88.144.111/32 include:spf, MS=ms63794648...`
SOA	1	`ns1.domaindiscount24.net tech.key-system`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

knowledge.express resolves to one IP address: 212.88.144.111.

empolissolutions.com, i-views.de, empolissolutions.de and two other host names share IP numbers with knowledge.express.

Name Servers

Three name servers are authoritative for knowledge.express: ns1.domaindiscount24.net, ns2.domaindiscount24.net and ns3.domaindiscount24.net.

knowledge.express partially shares its NS delegation with several other domains, including 308win.de, kettner-gmbh.com, xn--tel-jna.com and two others.

ns1.domaindiscount24.net resolves to 193.227.117.34 and 2a04:2b00:14cc::34. ns2.domaindiscount24.net resolves to 194.50.187.34 and 2a04:2b00:14dd::34. ns3.domaindiscount24.net resolves to 194.0.182.34 and 2a04:2b00:14ee::34. All three hostnames point to two IP numbers each.

Mail Servers

Mail for knowledge.express is handled by a single mail server, knowledge-express.mail.protection.outlook.com.

knowledge-express.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.73.155, 52.101.91.162, 52.101.103.143 and 5 others.

knowledge.express - robtex.com