you-know.nl - robtex.com

you-know.nl

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:8701🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:69e🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.6.158Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.1🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSfred.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
A2803:f800:50::6ca2:c171🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRfred.ns.cloudflare.com
A2a06:98c1:50::ac40:2171🇺🇸 Cloudflare2a06:98c1:50::/45
PTRfred.ns.cloudflare.com
A108.162.193.113🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
A172.64.33.113🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
A173.245.59.113🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
NSsavanna.ns.cloudflare.com
A2606:4700:50::a29f:2688🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsavanna.ns.cloudflare.com
A2803:f800:50::6ca2:c288🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsavanna.ns.cloudflare.com
A2a06:98c1:50::ac40:2288🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsavanna.ns.cloudflare.com
A108.162.194.136🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsavanna.ns.cloudflare.com
A162.159.38.136Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsavanna.ns.cloudflare.com
A172.64.34.136🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsavanna.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.6.158, 172.67.135.1
IPv6 hints2606:4700:3030::ac43:8701, 2606:4700:3037::6815:69e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=33, name=cloudflare-ech.com
SOAfred.ns.cloudflare.comdns@cloudflare.com serial=2409733363

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-07-26 15:30:02 +0000 (EPOCH 1785079802)
SOAns1.dns.nldns@sidn.nl 2026-07-26 #31

Same first word

you-know.ws
you-know.nl
you-know.ch
you-know.org
you-know.pl
you-know.com.tw
you-know.de
you-know.us

DNS History

15 records (6 active, 9 former)

20162017201820192020202120222023202420252026NSfred.ns.cloudflare.comsavanna.ns.cloudflare.comns0.transip.netns1.transip.netns2.transip.netMXmx1.mailshover.nlmx2.mailshover.nlmx3.mailshover.nlA104.21.6.158172.67.135.12606:4700:3030::ac43:87012606:4700:3037::6815:69e178.251.196.142606:4700:3031::6815:69e2606:4700:3032::ac43:8701
●NSfred.ns.cloudflare.com2026-04-03 → 2026-07-26 · 3 obs
○ 2017-10-10 10:32:48
● 2026-04-03 06:45:18
● 2026-07-26 16:18:06
○NSns0.transip.net2015-06-05 → 2017-10-10 · 4 obs
● 2015-06-05 01:40:02
● 2017-10-10 10:32:48
○ 2026-04-03 06:45:18
○ 2026-07-26 16:18:06
○NSns1.transip.net2015-06-05 → 2017-10-10 · 4 obs
● 2015-06-05 01:40:02
● 2017-10-10 10:32:48
○ 2026-04-03 06:45:18
○ 2026-07-26 16:18:06
○NSns2.transip.net2015-06-05 → 2017-10-10 · 4 obs
● 2015-06-05 01:40:02
● 2017-10-10 10:32:48
○ 2026-04-03 06:45:18
○ 2026-07-26 16:18:06
●NSsavanna.ns.cloudflare.com2026-04-03 → 2026-07-26 · 3 obs
○ 2017-10-10 10:32:48
● 2026-04-03 06:45:18
● 2026-07-26 16:18:06
○MXmx1.mailshover.nl2015-06-05 → 2017-10-10 · 4 obs
● 2015-06-05 01:40:02
● 2017-10-10 10:32:48
○ 2026-04-03 06:45:18
○ 2026-07-26 16:18:06
○MXmx2.mailshover.nl2015-06-05 → 2017-10-10 · 4 obs
● 2015-06-05 01:40:02
● 2017-10-10 10:32:48
○ 2026-04-03 06:45:18
○ 2026-07-26 16:18:06
○MXmx3.mailshover.nl2015-06-05 → 2017-10-10 · 4 obs
● 2015-06-05 01:40:02
● 2017-10-10 10:32:48
○ 2026-04-03 06:45:18
○ 2026-07-26 16:18:06
●A104.21.6.1582026-04-03 → 2026-07-26 · 3 obs
○ 2017-10-10 10:32:48
● 2026-04-03 06:45:18
● 2026-07-26 16:18:06
●A172.67.135.12026-04-03 → 2026-07-26 · 3 obs
○ 2017-10-10 10:32:48
● 2026-04-03 06:45:18
● 2026-07-26 16:18:06
○A178.251.196.142015-06-05 → 2017-10-10 · 4 obs
● 2015-06-05 01:40:02
● 2017-10-10 10:32:48
○ 2026-04-03 06:45:18
○ 2026-07-26 16:18:06
●A2606:4700:3030::ac43:87012026-07-26 → 2026-07-26 · 2 obs
○ 2026-06-15 20:29:08
● 2026-07-26 16:18:06
○A2606:4700:3031::6815:69e2026-04-03 → 2026-06-15 · 4 obs
○ 2017-10-10 10:32:48
● 2026-04-03 06:45:18
● 2026-06-15 20:29:08
○ 2026-07-26 16:18:06
○A2606:4700:3032::ac43:87012026-04-03 → 2026-06-15 · 4 obs
○ 2017-10-10 10:32:48
● 2026-04-03 06:45:18
● 2026-06-15 20:29:08
○ 2026-07-26 16:18:06
●A2606:4700:3037::6815:69e2026-07-26 → 2026-07-26 · 2 obs
○ 2026-06-15 20:29:08
● 2026-07-26 16:18:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
you-know.nlfred.ns.cloudflare.com, savanna.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.113

NS records: fred.ns.cloudflare.com, savanna.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for you-know.nl (unsigned zone)

⏱️ Timing

Total: 419ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.6.158, 172.67.135.1
AAAA22606:4700:3030::ac43:8701, 2606:4700:3037::6815:69e
NS2fred.ns.cloudflare.com, savanna.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1fred.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

you-know.nl directs to four IP numbers, which are 104.21.6.158, 172.67.135.1, 2606:4700:3030::ac43:8701 and 2606:4700:3037::6815:69e.

Two other host names, along with lp5.audiosound.co.il, 335f3f3f4492.osbb.kh.ua and urbanismfurniture.com, also share IP numbers with you-know.nl.

Name Servers

you-know.nl has two authoritative name servers — fred.ns.cloudflare.com and savanna.ns.cloudflare.com.

you-know.nl shares its NS records with other domains, for example uniirt.com.ua, trouveurdor.com, investizo-trade.net and two others.

There is at least partial name server overlap between you-know.nl and other domains — kirk.run, actionexhibit.org, kalivoranthesa.com and two more among them.

These name servers frequently co-occur with the name servers fatima.ns.cloudflare.com and abdullah.ns.cloudflare.com.

DNS names with 6 IP addresses:

fred.ns.cloudflare.com points to 108.162.193.113, 172.64.33.113, 173.245.59.113 and 3 other IP addresses.

savanna.ns.cloudflare.com points to 108.162.194.136, 162.159.38.136, 172.64.34.136 and 3 other IP addresses.