🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`b4.1129217678.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:401b^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:af0c^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.64.27^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.175.12^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.64.27, 172.67.175.12
		IPv6 hints	2606:4700:3035::6815:401b, 2606:4700:3035::ac43:af0c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=100, name=cloudflare-ech.com

`1129217678.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`aisha.ns.cloudflare.com` ⭐
	NS	`david.ns.cloudflare.com`
	SOA	`aisha.ns.cloudflare.com`dns@cloudflare.com serial=2412345802

Same first word

b4.eu

b4.dk

b4.to

b4.ie

b4.biz

b4.vc

b4.ai

b4.capital

b4.ro

b4.cl

b4.net.pl

b4.business

b4.se

b4.cz

b4.cm

b4.ru

b4.co.nz

b4.re

b4.bet

b4.net

b4.com

b4.cc

b4.app

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b4.com.mt

b4.gg

b4.myqnapcloud.com

b4.su

b4.nl

b4.pl

b4.hu

b4.cn

b4.com.br

b4.vu

b4.by

b4.sk

b4.fi

b4.canva-apps.cn

b4.de

Similar names

4b.ag

4b.es

4b.rs

4b.ee

4b.ro

4b.su

4b.cn

4b.cl

4b.is

4b.com.pl

4b.cz

4b.azurewebsites.net

4b.cc

4b.ru

4b.de

4b.org

4b.se

4b.com.vn

4b.net

4b.hu

4b.pl

4b.sk

4b.com.au

4b.com.tr

4b.biz

4b.ai

4b.bz

4b.com

4b.co.uk

4b.info

4b.ae

4b.fi

4b.pt

4b.ua

4b.ph

4b.ca

4b.com.ua

4b.dk

4b.io

4b.lv

4b.eu

4b.lc

4b.kz

DNS History

7 records (4 active, 3 former)

●A104.21.64.272026-02-21 → 2026-08-17 · 2 obs

● 2026-02-21 14:22:32
● 2026-08-17 08:40:04

○A172.64.80.12026-02-21 → 2026-08-17 · 2 obs

○ 2026-02-21 14:22:32
○ 2026-08-17 08:40:04

●A172.67.175.122026-02-21 → 2026-08-17 · 2 obs

● 2026-02-21 14:22:32
● 2026-08-17 08:40:04

○A2606:4700:3030::6815:401b2026-02-21 → 2026-06-10 · 4 obs

● 2026-02-21 14:22:32
● 2026-06-10 20:50:16
○ 2026-08-13 22:58:38
○ 2026-08-17 08:40:04

○A2606:4700:3030::ac43:af0c2026-02-21 → 2026-06-10 · 4 obs

● 2026-02-21 14:22:32
● 2026-06-10 20:50:16
○ 2026-08-13 22:58:38
○ 2026-08-17 08:40:04

●A2606:4700:3035::6815:401b2026-08-13 → 2026-08-17 · 3 obs

○ 2026-06-10 20:50:16
● 2026-08-13 22:58:38
● 2026-08-17 08:40:04

●A2606:4700:3035::ac43:af0c2026-08-13 → 2026-08-17 · 3 obs

○ 2026-06-10 20:50:16
● 2026-08-13 22:58:38
● 2026-08-17 08:40:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	-
workers.dev	sofia.ns.cloudflare.com, clyde.ns.cloudflare.com	-
1129217678.workers.dev	aisha.ns.cloudflare.com, david.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.186

NS records: aisha.ns.cloudflare.com, david.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 616ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.175.12, 104.21.64.27`
AAAA	2	`2606:4700:3035::6815:401b, 2606:4700:3035::ac43:af0c`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

b4.1129217678.workers.dev has four IP addresses: 104.21.64.27, 172.67.175.12, 2606:4700:3035::6815:401b and 2606:4700:3035::ac43:af0c.

blindtigerpv.com, cheyennepickerell.top, h40.civtoiras.online plus two other host names have IP numbers in common with b4.1129217678.workers.dev.

b4.1129217678.workers.dev - robtex.com