`b.3cdn.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:4531^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:ccb0^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.69.49^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.204.176^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.69.49, 172.67.204.176
		IPv6 hints	2606:4700:3033::6815:4531, 2606:4700:3033::ac43:ccb0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=61, name=cloudflare-ech.com

`3cdn.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:4531^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:ccb0^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.69.49^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.204.176^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`donna.ns.cloudflare.com` ⭐
NS	`marek.ns.cloudflare.com`
MX	`mx1.hostinger.com` ⭐
MX	`mx2.hostinger.com`⁽¹⁰⁾
TXT	`fd847cefe77764f16570a2874622b1fb`
TXT	`google-site-verification=IM7gkGAb76O9VgYMdiP3aLWINS-1_ilT2rm_pplY7XM`
TXT	`v=spf1 include:_spf.mail.hostinger.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.69.49, 172.67.204.176
		IPv6 hints	2606:4700:3033::6815:4531, 2606:4700:3033::ac43:ccb0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=147, name=cloudflare-ech.com
SOA	`donna.ns.cloudflare.com`dns@cloudflare.com serial=2410137757

⚠️ On DNS blocklist: light, multi, pro, pro.plus, ultimate
rank #51638 globally
rank #1815 in the tld
⚠️ On DNS blocklist: light, multi, pro, pro.plus, ultimate
📈 Tranco rank: #205,915

Same first word

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b.media

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b.digital

b.org

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b.nu

b.link

b.co.nl

b.mr

b.ht

b.cm

b.biz

b.asia

b.green

b.co.uk

b.org.ai

b.ai

b.akamai-staging.net

b.gov.au

b.fit

b.tc

b.gg

b.com.br

b.tv

b.hu

b.ddns.net

b.bike

b.vu

b.game

b.to

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b.eus

b.cl

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b.mw

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b.js.cn

b.je

b.country

b.house

b.ro

b.akamaiedge-staging.net

b.top

b.ms

b.news

b.ln.cn

b.ua

b.gov.lv

DNS History

9 records (4 active, 5 former)

○A104.104.12.1762016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 20:15:30
○ 2026-06-08 10:01:20
○ 2026-07-28 04:07:34

●A104.21.69.492026-06-08 → 2026-07-28 · 3 obs

○ 2016-12-28 20:15:30
● 2026-06-08 10:01:20
● 2026-07-28 04:07:34

●A172.67.204.1762026-06-08 → 2026-07-28 · 3 obs

○ 2016-12-28 20:15:30
● 2026-06-08 10:01:20
● 2026-07-28 04:07:34

○A2606:4700:3031::6815:45312026-06-08 → 2026-06-08 · 4 obs

○ 2016-12-28 20:15:30
● 2026-06-08 10:01:20
○ 2026-07-05 04:38:24
○ 2026-07-28 04:07:34

●A2606:4700:3033::6815:45312026-07-05 → 2026-07-28 · 3 obs

○ 2026-06-08 10:01:20
● 2026-07-05 04:38:24
● 2026-07-28 04:07:34

●A2606:4700:3033::ac43:ccb02026-06-08 → 2026-07-28 · 3 obs

○ 2016-12-28 20:15:30
● 2026-06-08 10:01:20
● 2026-07-28 04:07:34

○CNAME3cdn.net.cdn.bsd.net2016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 20:15:30
○ 2026-06-08 10:01:20
○ 2026-07-28 04:07:34

○CNAMEe6077.g.akamaiedge.net2016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 20:15:30
○ 2026-06-08 10:01:20
○ 2026-07-28 04:07:34

○CNAMEsan.bsdtools.com.edgekey.net2016-12-28 → 2016-12-28 · 3 obs

● 2016-12-28 20:15:30
○ 2026-06-08 10:01:20
○ 2026-07-28 04:07:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
3cdn.net	donna.ns.cloudflare.com, marek.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.202

NS records: donna.ns.cloudflare.com, marek.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3cdn.net (unsigned zone)

⏱️ Timing

Total: 188ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.69.49, 172.67.204.176`
AAAA	2	`2606:4700:3033::ac43:ccb0, 2606:4700:3033::6815:4531`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

b.3cdn.net points to the four IP addresses 104.21.69.49, 172.67.204.176, 2606:4700:3033::6815:4531 and 2606:4700:3033::ac43:ccb0.

Two other host names, along with www.mbko.ru, lius.cc and sleepsoft.co.uk, also share IP numbers with b.3cdn.net.

b.3cdn.net - robtex.com

b.3cdn.net

3cdn.net

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

`b.3cdn.net`

`3cdn.net`