css.cdn-b.com - robtex.com

css.cdn-b.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:4989🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:9110🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.73.137Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.145.16🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.21.73.137, 172.67.145.16
IPv6 hints2606:4700:3030::6815:4989, 2606:4700:3033::ac43:9110
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=115, name=cloudflare-ech.com

cdn-b.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:4989🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:9110🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.73.137Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.145.16🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgreg.ns.cloudflare.com ⭐
NStani.ns.cloudflare.com
MX_dc-mx.b887d14f2da2.cdn-b.com ⭐
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.21.73.137, 172.67.145.16
IPv6 hints2606:4700:3030::6815:4989, 2606:4700:3033::ac43:9110
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=115, name=cloudflare-ech.com
SOAgreg.ns.cloudflare.comdns@cloudflare.com serial=2402011751

Same first word

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Similar names

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DNS History

8 records (4 active, 4 former)

20192020202120222023202420252026A104.21.73.137172.67.145.162606:4700:3030::6815:49892606:4700:3033::ac43:9110104.25.226.27104.25.227.272606:4700:20::6819:e21b2606:4700:20::6819:e31b
●A104.21.73.1372026-02-18 → 2026-04-24 · 3 obs
○ 2018-12-04 12:55:02
● 2026-02-18 01:26:50
● 2026-04-24 07:38:36
○A104.25.226.272018-12-04 → 2018-12-04 · 3 obs
● 2018-12-04 12:55:02
○ 2026-02-18 01:26:50
○ 2026-04-24 07:38:36
○A104.25.227.272018-12-04 → 2018-12-04 · 3 obs
● 2018-12-04 12:55:02
○ 2026-02-18 01:26:50
○ 2026-04-24 07:38:36
●A172.67.145.162026-02-18 → 2026-04-24 · 3 obs
○ 2018-12-04 12:55:02
● 2026-02-18 01:26:50
● 2026-04-24 07:38:36
○A2606:4700:20::6819:e21b2018-12-04 → 2018-12-04 · 3 obs
● 2018-12-04 12:55:02
○ 2026-02-18 01:26:50
○ 2026-04-24 07:38:36
○A2606:4700:20::6819:e31b2018-12-04 → 2018-12-04 · 3 obs
● 2018-12-04 12:55:02
○ 2026-02-18 01:26:50
○ 2026-04-24 07:38:36
●A2606:4700:3030::6815:49892026-02-18 → 2026-04-24 · 3 obs
○ 2018-12-04 12:55:02
● 2026-02-18 01:26:50
● 2026-04-24 07:38:36
●A2606:4700:3033::ac43:91102026-02-18 → 2026-04-24 · 3 obs
○ 2018-12-04 12:55:02
● 2026-02-18 01:26:50
● 2026-04-24 07:38:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net...-
cdn-b.comgreg.ns.cloudflare.com, tani.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.224

NS records: greg.ns.cloudflare.com, tani.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdn-b.com (unsigned zone)

⏱️ Timing

Total: 152ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.73.137, 172.67.145.16
AAAA22606:4700:3030::6815:4989, 2606:4700:3033::ac43:9110
HTTPS1{"priority":1,"target":".","alpn":["h2"]

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

css.cdn-b.com points to four IP numbers: 2606:4700:3030::6815:4989, 2606:4700:3033::ac43:9110, 104.21.73.137 and 172.67.145.16.

Other host names, for instance nhzg.net, www.talviton.com, 24stratacore.sbs, teamurica.com and babycoches.es share IP numbers with css.cdn-b.com.