4knowledge.de - dns.ninja

4knowledge.de

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:3c93🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:c5c8🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.60.147Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.197.200🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSanastasia.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26e3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanastasia.ns.cloudflare.com
A2803:f800:50::6ca2:c2e3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRanastasia.ns.cloudflare.com
A2a06:98c1:50::ac40:22e3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRanastasia.ns.cloudflare.com
A108.162.194.227🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanastasia.ns.cloudflare.com
A162.159.38.227Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanastasia.ns.cloudflare.com
A172.64.34.227🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanastasia.ns.cloudflare.com
NSelmo.ns.cloudflare.com
A2606:4700:58::adf5:3ba3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelmo.ns.cloudflare.com
A2803:f800:50::6ca2:c1a3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelmo.ns.cloudflare.com
A2a06:98c1:50::ac40:21a3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelmo.ns.cloudflare.com
A108.162.193.163🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelmo.ns.cloudflare.com
A172.64.33.163🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelmo.ns.cloudflare.com
A173.245.59.163🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelmo.ns.cloudflare.com
TXTgoogle-site-verification=RScbHG1696BH6D1r_QieQVTQ4TDp3fTz5P2ZWEGvY1U
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.60.147, 172.67.197.200
IPv6 hints2606:4700:3032::6815:3c93, 2606:4700:3032::ac43:c5c8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=102, name=cloudflare-ech.com
SOAanastasia.ns.cloudflare.comdns@cloudflare.com serial=2407045800

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1783160278

Same first word

4knowledge.com
4knowledge.de
4knowledge.net

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSanastasia.ns.cloudflare.comelmo.ns.cloudflare.comns7.schlund.dens8.schlund.deMXmx00.schlund.demx01.schlund.deA104.21.60.147172.67.197.2002606:4700:3032::6815:3c932606:4700:3032::ac43:c5c8217.160.231.1392606:4700:3030::6815:3c932606:4700:3037::ac43:c5c882.165.91.26
●NSanastasia.ns.cloudflare.com2026-03-01 → 2026-07-04 · 3 obs
○ 2017-04-10 16:20:56
● 2026-03-01 02:48:46
● 2026-07-04 10:46:18
●NSelmo.ns.cloudflare.com2026-03-01 → 2026-07-04 · 3 obs
○ 2017-04-10 16:20:56
● 2026-03-01 02:48:46
● 2026-07-04 10:46:18
○NSns7.schlund.de2015-05-18 → 2017-04-10 · 4 obs
● 2015-05-18 21:58:38
● 2017-04-10 16:20:56
○ 2026-03-01 02:48:46
○ 2026-07-04 10:46:18
○NSns8.schlund.de2015-05-18 → 2017-04-10 · 4 obs
● 2015-05-18 21:58:38
● 2017-04-10 16:20:56
○ 2026-03-01 02:48:46
○ 2026-07-04 10:46:18
○MXmx00.schlund.de2015-05-18 → 2017-04-10 · 4 obs
● 2015-05-18 21:58:38
● 2017-04-10 16:20:56
○ 2026-03-01 02:48:46
○ 2026-07-04 10:46:18
○MXmx01.schlund.de2015-05-18 → 2017-04-10 · 4 obs
● 2015-05-18 21:58:38
● 2017-04-10 16:20:56
○ 2026-03-01 02:48:46
○ 2026-07-04 10:46:18
●A104.21.60.1472026-03-01 → 2026-07-04 · 3 obs
○ 2017-04-10 16:20:56
● 2026-03-01 02:48:46
● 2026-07-04 10:46:18
●A172.67.197.2002026-03-01 → 2026-07-04 · 3 obs
○ 2017-04-10 16:20:56
● 2026-03-01 02:48:46
● 2026-07-04 10:46:18
○A217.160.231.1392016-08-12 → 2017-04-10 · 5 obs
○ 2016-03-22 03:16:48
● 2016-08-12 09:19:14
● 2017-04-10 16:20:56
○ 2026-03-01 02:48:46
○ 2026-07-04 10:46:18
○A2606:4700:3030::6815:3c932026-03-01 → 2026-05-25 · 5 obs
○ 2017-04-10 16:20:56
● 2026-03-01 02:48:46
● 2026-05-25 08:48:00
○ 2026-06-26 10:09:38
○ 2026-07-04 10:46:18
●A2606:4700:3032::6815:3c932026-06-26 → 2026-07-04 · 3 obs
○ 2026-05-25 08:48:00
● 2026-06-26 10:09:38
● 2026-07-04 10:46:18
●A2606:4700:3032::ac43:c5c82026-06-26 → 2026-07-04 · 3 obs
○ 2026-05-25 08:48:00
● 2026-06-26 10:09:38
● 2026-07-04 10:46:18
○A2606:4700:3037::ac43:c5c82026-03-01 → 2026-05-25 · 5 obs
○ 2017-04-10 16:20:56
● 2026-03-01 02:48:46
● 2026-05-25 08:48:00
○ 2026-06-26 10:09:38
○ 2026-07-04 10:46:18
○A82.165.91.262015-05-18 → 2016-03-22 · 4 obs
● 2015-05-18 21:58:38
● 2016-03-22 03:16:48
○ 2016-08-12 09:19:14
○ 2026-07-04 10:46:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
4knowledge.deanastasia.ns.cloudflare.com, elmo.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.163

NS records: anastasia.ns.cloudflare.com, elmo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4knowledge.de (unsigned zone)

⏱️ Timing

Total: 735ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.60.147, 172.67.197.200
AAAA22606:4700:3032::6815:3c93, 2606:4700:3032::ac43:c5c8
NS2anastasia.ns.cloudflare.com, elmo.ns.cloudflare.com
TXT1google-site-verification=RScbHG1696BH6D1
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1anastasia.ns.cloudflare.com dns.cloudfla

Analysis

IP Addresses

4knowledge.de resolves to four IP addresses: 104.21.60.147, 172.67.197.200, 2606:4700:3032::6815:3c93 and 2606:4700:3032::ac43:c5c8.

manuales10.com, ganodermascientifico.com.cdn.cloudflare.net, brightconnectone.forum and two other host names share IP numbers with 4knowledge.de.

Name Servers

4knowledge.de is served by two delegated name servers, anastasia.ns.cloudflare.com and elmo.ns.cloudflare.com.

4knowledge.de uses the same name servers as several other domains — among them saudedanatureza.com, segel-taschen.de, pagah.com and two more.

4knowledge.de has at least partial name server overlap with other domains, such as hot66.net, stead.id.au, uaeattestationinbangalore.com and two others.

It is common to see these name servers used together with name servers max.ns.cloudflare.com and ace.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

anastasia.ns.cloudflare.com carries IP addresses 108.162.194.227, 162.159.38.227 and 172.64.34.227, with 3 other addresses beyond those.

elmo.ns.cloudflare.com carries IP addresses 108.162.193.163, 172.64.33.163 and 173.245.59.163, with 3 other addresses beyond those.