www.cknowledgeworks.com - robtex.com

www.cknowledgeworks.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:555🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:8537🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.85Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.55🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.85, 172.67.133.55
IPv6 hints2606:4700:3035::6815:555, 2606:4700:3036::ac43:8537
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com

cknowledgeworks.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:555🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:8537🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.85Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.55🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSoaklyn.ns.cloudflare.com ⭐
NSoswald.ns.cloudflare.com
MXroute1.mx.cloudflare.net ⭐
MXroute3.mx.cloudflare.net(80)
MXroute2.mx.cloudflare.net(87)
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.85, 172.67.133.55
IPv6 hints2606:4700:3035::6815:555, 2606:4700:3036::ac43:8537
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com
SOAoaklyn.ns.cloudflare.comdns@cloudflare.com serial=2398205491
WOT: SAFE (61/100)
WOT: SAFE (61/100)

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DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026NScloudwebx-dns1.webcontrolcenter.comcloudwebx-dns2.webcontrolcenter.comMXmailx6.newtekwebhosting.comA104.21.5.85172.67.133.552606:4700:3035::6815:5552606:4700:3036::ac43:8537216.119.124.14567.199.32.148CNAMEcknowledgeworks.com
○NScloudwebx-dns1.webcontrolcenter.com2017-04-20 → 2017-04-20 · 3 obs
● 2017-04-20 08:43:24
○ 2026-04-10 12:34:52
○ 2026-04-12 16:27:50
○NScloudwebx-dns2.webcontrolcenter.com2017-04-20 → 2017-04-20 · 3 obs
● 2017-04-20 08:43:24
○ 2026-04-10 12:34:52
○ 2026-04-12 16:27:50
○MXmailx6.newtekwebhosting.com2017-04-20 → 2017-04-20 · 3 obs
● 2017-04-20 08:43:24
○ 2026-04-10 12:34:52
○ 2026-04-12 16:27:50
●A104.21.5.852026-04-10 → 2026-04-12 · 3 obs
○ 2017-04-20 08:43:24
● 2026-04-10 12:34:52
● 2026-04-12 16:27:50
●A172.67.133.552026-04-10 → 2026-04-12 · 3 obs
○ 2017-04-20 08:43:24
● 2026-04-10 12:34:52
● 2026-04-12 16:27:50
○A216.119.124.1452017-04-20 → 2017-04-20 · 4 obs
○ 2016-09-22 19:46:08
● 2017-04-20 08:43:24
○ 2026-04-10 12:34:52
○ 2026-04-12 16:27:50
●A2606:4700:3035::6815:5552026-04-10 → 2026-04-12 · 3 obs
○ 2017-04-20 08:43:24
● 2026-04-10 12:34:52
● 2026-04-12 16:27:50
●A2606:4700:3036::ac43:85372026-04-10 → 2026-04-12 · 3 obs
○ 2017-04-20 08:43:24
● 2026-04-10 12:34:52
● 2026-04-12 16:27:50
○A67.199.32.1482015-05-29 → 2016-09-22 · 4 obs
● 2015-05-29 13:59:38
● 2016-09-22 19:46:08
○ 2017-04-20 08:43:24
○ 2026-04-12 16:27:50
○CNAMEcknowledgeworks.com2017-04-20 → 2017-04-20 · 3 obs
● 2017-04-20 08:43:24
○ 2026-04-10 12:34:52
○ 2026-04-12 16:27:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net...-
cknowledgeworks.comoswald.ns.cloudflare.com, oaklyn.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.90

NS records: oswald.ns.cloudflare.com, oaklyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cknowledgeworks.com (unsigned zone)

⏱️ Timing

Total: 129ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.5.85, 172.67.133.55
AAAA22606:4700:3036::ac43:8537, 2606:4700:3035::6815:555
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (oswald.ns.cloudflare.com, oswald.ns.cloudflare.com, oswald.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by www.cknowledgeworks.com: 2606:4700:3035::6815:555, 2606:4700:3036::ac43:8537, 104.21.5.85 and 172.67.133.55.

other host names including treasureuptheword.com, yzjt88.cn, aadyakshar.co.in, www.convexityscientific.com and viewpro(0x787878).fit share IP numbers with www.cknowledgeworks.com.