know.de - dns.ninja

`know.de`

DNSSEC	⚠️ Not signed
A	185.60.251.251^{🇩🇪 Cloudflare185.60.251.0/24}
NS	`ns01.intersolute.de` ⭐
		A	91.215.75.14^{🇩🇪 INTERSOLUTE91.215.72.0/22 DE-INTERSOLUTE-NET-91-215-72}
			PTR	`ns01.intersolute.de`
NS	`ns02.intersolute.de`
		A	80.82.216.230^{🇩🇪 MYLOC-AS80.82.208.0/20 myLoc managed IT AG}
			PTR	`ns02.intersolute.de`
NS	`ns03.intersolute.eu`
		A	51.195.47.8^{🇩🇪 OVH51.195.0.0/16}
			PTR	`ns03.intersolute.de`
NS	`ns04.intersolute.eu`
		A	51.178.44.64^{🇫🇷 OVH51.178.0.0/16}
			PTR	`ns04.intersolute.de`
MX	`know-de.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::c^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00304.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
MX	`mail.know.de`⁽¹⁰⁾
		A	91.215.74.9^{🇩🇪 INTERSOLUTE91.215.72.0/22 DE-INTERSOLUTE-NET-91-215-72}
			PTR	`server26.noc-it.de`
MX	`mx2.intersolute.de`⁽²⁰⁾
		A	51.195.47.101^{🇩🇪 OVH51.195.0.0/16}
			PTR	`mx02.intersolute.de`
TXT	`MS=ms50344958`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns01.intersolute.de`ticket@intersolute.de 2026-08-06 #1

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1786201395

WOT: SAFE (63/100)

Subdomains

mail.know.de

Same first word

know.ch

know.technology

know.pl

know.me.uk

know.id

know.consulting

know.is

know.associates

know.sh

know.solutions

know.business

know.com.ng

know.bi

know.co

know.house

know.bike

know.org

know.health

know.me

know.nl

know.money

know.com

know.cx

know.properties

know.co.za

know.dog

know.ph

know.cz

know.town

know.healthcare

know.expert

know.net.au

know.al

know.today

know.media

know.mx

know.net.br

know.systems

know.insure

know.domains

know.travel

know.in

know.be

know.football

know.ee

know.vc

know.life

know.bet

know.bz

know.tw

know.photos

know.bio

know.de

know.guide

know.blue

know.care

know.sk

know.ai

know.agency

know.lol

Similar names

wonk.study

oknw.net

kwon.si

kwon.at

wonk.be

kwon.es

kwon.do

wonk.info

wkno.org

wkon.net

knwo.cn

wonk.me

kwon.com.br

kwon.be

kwon.it

kown.ru

kwon.us

kwon.cz

kwon.co

kwon.pro

wkon.ru

nowk.io

kwon.dk

kwon.kr

kwon.lu

kwon.net

okwn.com

kwon.com

kwon.sk

kown.com

wonk.sytes.net

kwon.de

wonk.com

kwon.ch

kwon.xyz

wonk.co

wonk.tokyo

wonk.org

kwon.info

kwon.cc

wonk.ai

ownk.co

kwon.ee

kwno.com

konw.ru

kwon.ru

wkon.com

wonk.co.jp

kwon.co.uk

onwk.com

wonk.support

konw.life

kwon.pl

kwon.com.pl

wokn.de

kown.nl

nokw.com

wnko.com

kwon.fi

kwon.fr

wonk.com.br

wkon.de

kwon.eu

kwon.ca

wnko.com.cn

DNS History

11 records (8 active, 3 former)

●NSns01.intersolute.de2026-02-22 → 2026-08-08 · 3 obs

○ 2017-07-08 19:54:56
● 2026-02-22 19:19:00
● 2026-08-08 15:08:16

●NSns02.intersolute.de2026-02-22 → 2026-08-08 · 3 obs

○ 2017-07-08 19:54:56
● 2026-02-22 19:19:00
● 2026-08-08 15:08:16

●NSns03.intersolute.eu2026-02-22 → 2026-08-08 · 3 obs

○ 2017-07-08 19:54:56
● 2026-02-22 19:19:00
● 2026-08-08 15:08:16

●NSns04.intersolute.eu2026-02-22 → 2026-08-08 · 3 obs

○ 2017-07-08 19:54:56
● 2026-02-22 19:19:00
● 2026-08-08 15:08:16

○NSns2.tp-pro.de2015-07-23 → 2017-07-08 · 4 obs

● 2015-07-23 01:32:58
● 2017-07-08 19:54:56
○ 2026-02-22 19:19:00
○ 2026-08-08 15:08:16

○NSns3.tp-pro.de2015-07-23 → 2017-07-08 · 4 obs

● 2015-07-23 01:32:58
● 2017-07-08 19:54:56
○ 2026-02-22 19:19:00
○ 2026-08-08 15:08:16

●MXknow-de.mail.protection.outlook.com2026-02-22 → 2026-08-08 · 3 obs

○ 2015-07-23 01:32:58
● 2026-02-22 19:19:00
● 2026-08-08 15:08:16

●MXmail.know.de2015-07-23 → 2026-08-08 · 2 obs

● 2015-07-23 01:32:58
● 2026-08-08 15:08:16

●MXmx2.intersolute.de2015-07-23 → 2026-08-08 · 2 obs

● 2015-07-23 01:32:58
● 2026-08-08 15:08:16

●A185.60.251.2512026-02-22 → 2026-08-08 · 3 obs

○ 2017-07-08 19:54:56
● 2026-02-22 19:19:00
● 2026-08-08 15:08:16

○A46.163.75.2312015-07-23 → 2017-07-08 · 4 obs

● 2015-07-23 01:32:58
● 2017-07-08 19:54:56
○ 2026-02-22 19:19:00
○ 2026-08-08 15:08:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
know.de	ns02.intersolute.de, ns01.intersolute.de, ns04.intersolute.eu, ns03.intersolute.eu	2 records

✅ Authoritative Response

Server:51.195.47.8

NS records: ns02.intersolute.de, ns01.intersolute.de, ns04.intersolute.eu, ns03.intersolute.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for know.de (unsigned zone)

⏱️ Timing

Total: 1095ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.60.251.251`
NS	4	`ns02.intersolute.de, ns04.intersolute.eu...`
MX	3	`know-de.mail.protection.outlook.com (pri, mx2.intersolute.de (pri: 20)...`
TXT	2	`MS=ms50344958, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns01.intersolute.de ticket.intersolute.d`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns02.intersolute.de, ns01.intersolute.de)

Analysis

Hierarchy

know.de is the parent zone for mail.know.de.

IP Addresses

know.de has exactly one IP address — 185.60.251.251.

jsri.jodo.or.jp, robertundpartner.de, geneon.net plus two other host names have IP numbers in common with know.de.

Name Servers

Four name servers handle the delegation for know.de: ns01.intersolute.de, ns02.intersolute.de, ns03.intersolute.eu and ns04.intersolute.eu.

know.de partially shares its NS delegation with several other domains, including intermatex.de, kinderzahnarzt.com, elten.de and two others.

Four host names, each with one IP address: ns01.intersolute.de has 91.215.75.14, ns02.intersolute.de has 80.82.216.230, ns03.intersolute.eu has 51.195.47.8 and ns04.intersolute.eu has 51.178.44.64.

Mail Servers

know.de uses three mail servers — mx2.intersolute.de, mail.know.de and know-de.mail.protection.outlook.com.

At least some of the mail servers used by know.de are shared with other domains: memokus.com, bdguss.de, raco-group.de and two others among them.

The mail servers mc.intersolute.de, mx2.vdg.de and mailcleaner.bonn-region.de frequently co-occur with these mail servers.

Hosts with 8 IP addresses each:

know-de.mail.protection.outlook.com carries IP addresses 52.101.68.5, 52.101.68.16 and 52.101.68.39, with 5 other addresses beyond those.

Host names resolving to a single IP address:

mx2.intersolute.de points to the IP address 51.195.47.101.

mail.know.de points to the IP address 91.215.74.9.