🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`null.scrthlp.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:5233^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:998f^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.82.51^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.143^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.82.51, 172.67.153.143
		IPv6 hints	2606:4700:3030::6815:5233, 2606:4700:3033::ac43:998f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=245, name=cloudflare-ech.com

`scrthlp.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`brady.ns.cloudflare.com` ⭐
	NS	`erin.ns.cloudflare.com`
	SOA	`brady.ns.cloudflare.com`dns@cloudflare.com serial=2417314191

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Previous names

Next names

DNS History

4 records (4 active, 0 former)

●A104.21.82.512026-07-05 → 2026-10-21 · 2 obs

● 2026-07-05 03:28:54
● 2026-10-21 17:14:26

●A172.67.153.1432026-07-05 → 2026-10-21 · 2 obs

● 2026-07-05 03:28:54
● 2026-10-21 17:14:26

●A2606:4700:3030::6815:52332026-07-05 → 2026-10-21 · 2 obs

● 2026-07-05 03:28:54
● 2026-10-21 17:14:26

●A2606:4700:3033::ac43:998f2026-07-05 → 2026-10-21 · 2 obs

● 2026-07-05 03:28:54
● 2026-10-21 17:14:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...	-
workers.dev	clyde.ns.cloudflare.com, sofia.ns.cloudflare.com	-
scrthlp.workers.dev	brady.ns.cloudflare.com, erin.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.215

NS records: brady.ns.cloudflare.com, erin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 713ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.82.51, 172.67.153.143`
AAAA	2	`2606:4700:3033::ac43:998f, 2606:4700:3030::6815:5233`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

null.scrthlp.workers.dev has four IP addresses: 104.21.82.51, 172.67.153.143, 2606:4700:3030::6815:5233 and 2606:4700:3033::ac43:998f.

am(0x616e616c)legall.live, cirsacasinospain.com, 77pgs1.co and two other host names share IP numbers with null.scrthlp.workers.dev.

null.scrthlp.workers.dev - robtex.com