ns1.cbmlearning.com - robtex.com

ns1.cbmlearning.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:3814🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:affa🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.56.20Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.175.250🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.56.20, 172.67.175.250
IPv6 hints2606:4700:3033::6815:3814, 2606:4700:3037::ac43:affa
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=180, name=cloudflare-ech.com

cbmlearning.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:3814🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:affa🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.56.20Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.175.250🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdax.ns.cloudflare.com ⭐
NSsandra.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.56.20, 172.67.175.250
IPv6 hints2606:4700:3033::6815:3814, 2606:4700:3037::ac43:affa
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=120, name=cloudflare-ech.com
SOAdax.ns.cloudflare.comdns@cloudflare.com serial=2400943213

Previously NS for

cbmlearning.com
scgcbm.com

Same first word

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ns1.rag-cloud-ch.hosteur.com
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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.56.20172.67.175.2502606:4700:3033::6815:38142606:4700:3037::ac43:affa128.199.201.183
●A104.21.56.202026-04-15 → 2026-04-15 · 2 obs
○ 2016-02-08 22:59:16
● 2026-04-15 19:01:28
○A128.199.201.1832015-05-17 → 2016-02-08 · 3 obs
● 2015-05-17 12:13:18
● 2016-02-08 22:59:16
○ 2026-04-15 19:01:28
●A172.67.175.2502026-04-15 → 2026-04-15 · 2 obs
○ 2016-02-08 22:59:16
● 2026-04-15 19:01:28
●A2606:4700:3033::6815:38142026-04-15 → 2026-04-15 · 2 obs
○ 2016-02-08 22:59:16
● 2026-04-15 19:01:28
●A2606:4700:3037::ac43:affa2026-04-15 → 2026-04-15 · 2 obs
○ 2016-02-08 22:59:16
● 2026-04-15 19:01:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net...-
cbmlearning.comsandra.ns.cloudflare.com, dax.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.34

NS records: sandra.ns.cloudflare.com, dax.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cbmlearning.com (unsigned zone)

⏱️ Timing

Total: 317ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.56.20, 172.67.175.250
AAAA22606:4700:3037::ac43:affa, 2606:4700:3033::6815:3814
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ns1.cbmlearning.com resolves to four IP numbers: 2606:4700:3033::6815:3814, 2606:4700:3037::ac43:affa, 104.21.56.20 and 172.67.175.250.

Other host names such as wexaraluno.com, createcontact.com, zeoliarredamenti.it, www.zastudenta.bg and shidanlifdc.com share IPs with ns1.cbmlearning.com.