knowledge.de.com - robtex.com
knowledge.de.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3036::ac43:cc11πΊπΈ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:4281πΊπΈ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.66.129Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.204.17πΊπΈ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | athena.ns.cloudflare.com β | ||||||
| A | 2606:4700:50::adf5:3a48πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c048π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2048πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| A | 108.162.192.72πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| A | 172.64.32.72πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| A | 173.245.58.72πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | athena.ns.cloudflare.com | ||||||
| NS | roman.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c67πΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | roman.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c367π¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | roman.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2367πΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | roman.ns.cloudflare.com | ||||||
| A | 108.162.195.103πΊπΈ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | roman.ns.cloudflare.com | ||||||
| A | 162.159.44.103Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | roman.ns.cloudflare.com | ||||||
| A | 172.64.35.103πΊπΈ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | roman.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.66.129, 172.67.204.17 | ||||||
| IPv6 hints | 2606:4700:3036::ac43:cc11, 2606:4700:3037::6815:4281 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com | ||||||
| SOA | athena.ns.cloudflare.comdns@cloudflare.com serial=2402224443 | ||||||
de.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 54.153.56.183πΊπΈ Amazon54.153.0.0/17 EC2 SFO prefix | ||||||
| NS | ns0.centralnic.net β | ||||||
| NS | ns1.centralnic.net | ||||||
| NS | ns2.centralnic.net | ||||||
| NS | ns3.centralnic.net | ||||||
| NS | ns4.centralnic.net | ||||||
| TXT | C0E0N41352 | ||||||
| TXT | v=spf1 -all | ||||||
| TXT | google-site-verification=dPWc8YpCbm3t1SqLZTzPanVJEGrhismq65wWpfuDbjY | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=3000597421 | ||||||
rank #408 in the tld
PASSWOT: SAFE (36/100)
π Tranco rank: #2,811
Subdomains
33st3102.knowledge.de.com |
43se1123.knowledge.de.com |
218se1123.knowledge.de.com |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
βNSathena.ns.cloudflare.com2026-02-15 β 2026-05-09 Β· 2 obs
β 2026-05-09 05:50:50
βNSroman.ns.cloudflare.com2026-02-15 β 2026-05-09 Β· 2 obs
β 2026-05-09 05:50:50
βA104.21.66.1292026-02-15 β 2026-05-09 Β· 7 obs
β 2026-02-18 16:40:54
β 2026-03-03 10:00:58
β 2026-03-30 19:49:10
β 2026-04-13 08:56:34
β 2026-04-22 12:51:46
β 2026-05-09 05:50:50
βA172.67.204.172026-02-15 β 2026-05-09 Β· 7 obs
β 2026-02-18 16:40:54
β 2026-03-03 10:00:58
β 2026-03-30 19:49:10
β 2026-04-13 08:56:34
β 2026-04-22 12:51:46
β 2026-05-09 05:50:50
βA188.114.96.02026-03-03 β 2026-04-13 Β· 6 obs
β 2026-03-03 10:00:58
β 2026-03-30 19:49:10
β 2026-04-13 08:56:34
β 2026-04-22 12:51:46
β 2026-05-09 05:50:50
βA188.114.97.02026-03-03 β 2026-04-13 Β· 6 obs
β 2026-03-03 10:00:58
β 2026-03-30 19:49:10
β 2026-04-13 08:56:34
β 2026-04-22 12:51:46
β 2026-05-09 05:50:50
βA2606:4700:3036::ac43:cc112026-02-15 β 2026-05-09 Β· 7 obs
β 2026-02-18 16:40:54
β 2026-03-03 10:00:58
β 2026-03-30 19:49:10
β 2026-04-13 08:56:34
β 2026-04-22 12:51:46
β 2026-05-09 05:50:50
βA2606:4700:3037::6815:42812026-02-15 β 2026-05-09 Β· 7 obs
β 2026-02-18 16:40:54
β 2026-03-03 10:00:58
β 2026-03-30 19:49:10
β 2026-04-13 08:56:34
β 2026-04-22 12:51:46
β 2026-05-09 05:50:50
βA2a06:98c1:3120::2026-03-03 β 2026-04-13 Β· 6 obs
β 2026-03-03 10:00:58
β 2026-03-30 19:49:10
β 2026-04-13 08:56:34
β 2026-04-22 12:51:46
β 2026-05-09 05:50:50
βA2a06:98c1:3121::2026-03-03 β 2026-04-13 Β· 6 obs
β 2026-03-03 10:00:58
β 2026-03-30 19:49:10
β 2026-04-13 08:56:34
β 2026-04-22 12:51:46
β 2026-05-09 05:50:50
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| de.com | ns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net | - |
| knowledge.de.com | roman.ns.cloudflare.com, athena.ns.cloudflare.com | - |
β Authoritative Response
Server:173.245.58.72
NS records: roman.ns.cloudflare.com, athena.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for knowledge.de.com (unsigned zone)
β±οΈ Timing
Total: 2377ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.66.129, 172.67.204.17 |
| AAAA | 2 | 2606:4700:3037::6815:4281, 2606:4700:3036::ac43:cc11 |
| NS | 2 | athena.ns.cloudflare.com, roman.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | athena.ns.cloudflare.com dns.cloudflare. |
Analysis
Hierarchy
The parent of 33st3102.knowledge.de.com, 43se1123.knowledge.de.com and 218se1123.knowledge.de.com is knowledge.de.com.
IP Addresses
knowledge.de.com maps to four IP numbers: 2606:4700:3036::ac43:cc11, 2606:4700:3037::6815:4281, 104.21.66.129 and 172.67.204.17.
other host names include akbku6.site, pinayflix.cyou, sk-ce.org, fruitshopslot.com and www.agrofuture.ru.cdn.cloudflare.net; they share IP numbers with knowledge.de.com.
Name Servers
Two name servers athena.ns.cloudflare.com and roman.ns.cloudflare.com handle the delegation for knowledge.de.com.
knowledge.de.com shares the same name server setup as other domains, for instance zonepatio.com, edumun.com, jonqparks.com, explain.de.com and doopenteam.co.
knowledge.de.com at least partially shares name servers with other domains, for instance phantominvest.net, chain330lanir.net, yxzgcg.com, ahrens.se and famousring.com.
These name servers are commonly used with jill.ns.cloudflare.com and rocco.ns.cloudflare.com.
Six IP addresses per host:
athena.ns.cloudflare.com points to 2606:4700:50::adf5:3a48, 2803:f800:50::6ca2:c048, 2a06:98c1:50::ac40:2048, 108.162.192.72, 172.64.32.72 and 173.245.58.72; roman.ns.cloudflare.com points to 2606:4700:58::a29f:2c67, 2803:f800:50::6ca2:c367, 2a06:98c1:50::ac40:2367, 108.162.195.103, 162.159.44.103 and 172.64.35.103