cl.castlelearning.com - dns.ninja

cl.castlelearning.com

DNSSEC⚠️ Not signed
A2606:4700:440d::6812:29cc🇺🇸 Cloudflare2606:4700:440d::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2a06:98c1:3107::ac40:9234🇺🇸 Cloudflare2a06:98c1:3107::/48 ✓ In HTTPS hints
A104.18.41.204Cloudflare104.18.41.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.64.146.52🇺🇸 Cloudflare172.64.146.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.18.41.204, 172.64.146.52
IPv6 hints2606:4700:440d::6812:29cc, 2a06:98c1:3107::ac40:9234

castlelearning.com

DNSSEC⚠️ Not signed
A2606:4700:440d::6812:29cc🇺🇸 Cloudflare2606:4700:440d::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2a06:98c1:3107::ac40:9234🇺🇸 Cloudflare2a06:98c1:3107::/48 ✓ In HTTPS hints
A104.18.41.204Cloudflare104.18.41.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.64.146.52🇺🇸 Cloudflare172.64.146.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSpaul.ns.cloudflare.com ⭐
NSzara.ns.cloudflare.com
MXcastlelearning-com.mail.protection.outlook.com ⭐
TXTMS=ms84207764
TXT_globalsign-domain-verification=khGdSYcz0e7HSh_VCotULooapIkvUvB1u8Lfttze9d
TXTanthropic-domain-verification-55gtm0=5Rz2AWLhqV0XvGbK0ppHO1pqx
TXTdropbox-domain-verification=se3h0hv781zb
TXTgoogle-site-verification=d5dwvMi8hVnuZy1uggRxzQ19oaiOczidQzdg0VqRTkU
TXTstatus-page-domain-verification=vrdzcbjq9jdl
TXTv=spf1 redirect=_srb6l6xyk.sdmarc.net
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.18.41.204, 172.64.146.52
IPv6 hints2606:4700:440d::6812:29cc, 2a06:98c1:3107::ac40:9234
SOApaul.ns.cloudflare.comdns@cloudflare.com serial=2410555204
WOT: SAFE (66/100)
rank #940134 globally
rank #402473 in the tld
WOT: SAFE (93/100)
📈 Tranco rank: #99,306

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DNS History

6 records (4 active, 2 former)

201820192020202120222023202420252026A104.18.41.204172.64.146.522606:4700:440d::6812:29cc2a06:98c1:3107::ac40:9234107.154.112.139CNAMEovwd4.x.incapdns.net
●A104.18.41.2042026-08-03 → 2026-08-13 · 3 obs
○ 2017-01-05 03:55:50
● 2026-08-03 03:31:42
● 2026-08-13 06:23:42
○A107.154.112.1392017-01-05 → 2017-01-05 · 3 obs
● 2017-01-05 03:55:50
○ 2026-08-03 03:31:42
○ 2026-08-13 06:23:42
●A172.64.146.522026-08-03 → 2026-08-13 · 3 obs
○ 2017-01-05 03:55:50
● 2026-08-03 03:31:42
● 2026-08-13 06:23:42
●A2606:4700:440d::6812:29cc2026-08-03 → 2026-08-13 · 3 obs
○ 2017-01-05 03:55:50
● 2026-08-03 03:31:42
● 2026-08-13 06:23:42
●A2a06:98c1:3107::ac40:92342026-08-03 → 2026-08-13 · 3 obs
○ 2017-01-05 03:55:50
● 2026-08-03 03:31:42
● 2026-08-13 06:23:42
○CNAMEovwd4.x.incapdns.net2017-01-05 → 2017-01-05 · 3 obs
● 2017-01-05 03:55:50
○ 2026-08-03 03:31:42
○ 2026-08-13 06:23:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...-
castlelearning.compaul.ns.cloudflare.com, zara.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.148

NS records: paul.ns.cloudflare.com, zara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for castlelearning.com (unsigned zone)

⏱️ Timing

Total: 135ms | Queries: -

📄 Records

TypeCountSample Data
A2172.64.146.52, 104.18.41.204
AAAA22606:4700:440d::6812:29cc, 2a06:98c1:3107::ac40:9234
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cl.castlelearning.com points to the four IP addresses 104.18.41.204, 172.64.146.52, 2606:4700:440d::6812:29cc and 2a06:98c1:3107::ac40:9234.

Additional host names — qa.castlelearning.com, ccc-play01.com, openidconnect.net and two others — share IP numbers with cl.castlelearning.com.