4knowledge.de - robtex.com

4knowledge.de

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:3c93🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c5c8🇺🇸 Cloudflare2606:4700:3037::/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
IPv4104.21.60.147, 172.67.197.200
IPv62606:4700:3030::6815:3c93, 2606:4700:3037::ac43:c5c8
SOAanastasia.ns.cloudflare.comdns@cloudflare.com serial=2397204832

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=1771291602

Same first word

4knowledge.com
4knowledge.net

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSanastasia.ns.cloudflare.comelmo.ns.cloudflare.comns7.schlund.dens8.schlund.deMXmx00.schlund.demx01.schlund.deA104.21.60.147172.67.197.2002606:4700:3030::6815:3c932606:4700:3037::ac43:c5c8217.160.231.13982.165.91.26
●NSanastasia.ns.cloudflare.com2026-03-01 → 2026-03-01 · 2 obs
○ 2017-04-10 16:20:56
● 2026-03-01 02:48:46
●NSelmo.ns.cloudflare.com2026-03-01 → 2026-03-01 · 2 obs
○ 2017-04-10 16:20:56
● 2026-03-01 02:48:46
○NSns7.schlund.de2015-05-18 → 2017-04-10 · 3 obs
● 2015-05-18 21:58:38
● 2017-04-10 16:20:56
○ 2026-03-01 02:48:46
○NSns8.schlund.de2015-05-18 → 2017-04-10 · 3 obs
● 2015-05-18 21:58:38
● 2017-04-10 16:20:56
○ 2026-03-01 02:48:46
○MXmx00.schlund.de2015-05-18 → 2017-04-10 · 3 obs
● 2015-05-18 21:58:38
● 2017-04-10 16:20:56
○ 2026-03-01 02:48:46
○MXmx01.schlund.de2015-05-18 → 2017-04-10 · 3 obs
● 2015-05-18 21:58:38
● 2017-04-10 16:20:56
○ 2026-03-01 02:48:46
●A104.21.60.1472026-03-01 → 2026-03-01 · 2 obs
○ 2017-04-10 16:20:56
● 2026-03-01 02:48:46
●A172.67.197.2002026-03-01 → 2026-03-01 · 2 obs
○ 2017-04-10 16:20:56
● 2026-03-01 02:48:46
○A217.160.231.1392016-08-12 → 2017-04-10 · 4 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
●A2606:4700:3030::6815:3c932026-03-01 → 2026-03-01 · 2 obs
○ 2017-04-10 16:20:56
● 2026-03-01 02:48:46
●A2606:4700:3037::ac43:c5c82026-03-01 → 2026-03-01 · 2 obs
○ 2017-04-10 16:20:56
● 2026-03-01 02:48:46
○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
○ 2026-03-01 02:48:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
4knowledge.deelmo.ns.cloudflare.com, anastasia.ns.cloudflare.com-

✅ Authoritative Response

Server: 108.162.194.227

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 535ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.60.147, 172.67.197.200
AAAA22606:4700:3037::ac43:c5c8, 2606:4700:3030::6815:3c93
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 maps to four IP numbers: 2606:4700:3030::6815:3c93, 2606:4700:3037::ac43:c5c8, 104.21.60.147 and 172.67.197.200.

Other host names, for instance leyistore.com, ganodermascientifico.com.cdn.cloudflare.net, feralaudio.com, austriaplace.com and topguo.com share IP numbers with 4knowledge.de.

Name Servers

Two name servers anastasia.ns.cloudflare.com and elmo.ns.cloudflare.com handle delegation for 4knowledge.de.

4knowledge.de uses the same name server setup as other domains, including saudedanatureza.com, segel-taschen.de, pagah.com and 360info.org.

4knowledge.de partially shares name servers with other domains; examples include 4589.com.cn, hot66.net, stead.id.au, rimblo.com and upay.net.

These name servers are commonly used with max.ns.cloudflare.com, ace.ns.cloudflare.com and wesley.ns.cloudflare.com.

Host names with six IP numbers: anastasia.ns.cloudflare.com points to: 2606:4700:50::a29f:26e3, 2803:f800:50::6ca2:c2e3, 2a06:98c1:50::ac40:22e3, 108.162.194.227, 162.159.38.227 and 172.64.34.227; elmo.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba3, 2803:f800:50::6ca2:c1a3, 2a06:98c1:50::ac40:21a3, 108.162.193.163, 172.64.33.163 and 173.245.59.163.