🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`null.sumaolin.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:8fc3^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3704^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.4^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.195^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.55.4, 172.67.143.195
		IPv6 hints	2606:4700:3033::ac43:8fc3, 2606:4700:3037::6815:3704
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=69, name=cloudflare-ech.com

`sumaolin.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`fred.ns.cloudflare.com` ⭐
	NS	`jill.ns.cloudflare.com`
	SOA	`fred.ns.cloudflare.com`dns@cloudflare.com serial=2416836050

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Previous names

Next names

DNS History

4 records (4 active, 0 former)

●A104.21.55.42026-08-08 → 2026-10-16 · 2 obs

● 2026-08-08 11:43:30
● 2026-10-16 08:24:22

●A172.67.143.1952026-08-08 → 2026-10-16 · 2 obs

● 2026-08-08 11:43:30
● 2026-10-16 08:24:22

●A2606:4700:3033::ac43:8fc32026-08-08 → 2026-10-16 · 2 obs

● 2026-08-08 11:43:30
● 2026-10-16 08:24:22

●A2606:4700:3037::6815:37042026-08-08 → 2026-10-16 · 2 obs

● 2026-08-08 11:43:30
● 2026-10-16 08:24:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
workers.dev	sofia.ns.cloudflare.com, clyde.ns.cloudflare.com	-
sumaolin.workers.dev	fred.ns.cloudflare.com, jill.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.122

NS records: fred.ns.cloudflare.com, jill.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 1004ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.143.195, 104.21.55.4`
AAAA	2	`2606:4700:3037::6815:3704, 2606:4700:3033::ac43:8fc3`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

null.sumaolin.workers.dev resolves to four IP addresses: 104.21.55.4, 172.67.143.195, 2606:4700:3033::ac43:8fc3 and 2606:4700:3037::6815:3704.

gadgetverifier.com, getlocalprohost.com, vcarrothunterz.fun plus two other host names have IP numbers in common with null.sumaolin.workers.dev.

null.sumaolin.workers.dev - robtex.com