`openaid74d.nulcloud.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:21da^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:96c3^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.33.218^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.195^{🇺🇸 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	104.21.33.218, 172.67.150.195
		IPv6 hints	2606:4700:3032::6815:21da, 2606:4700:3033::ac43:96c3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=15, name=cloudflare-ech.com

`nulcloud.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`kristin.ns.cloudflare.com` ⭐
	NS	`luke.ns.cloudflare.com`
	SOA	`kristin.ns.cloudflare.com`dns@cloudflare.com serial=2411669480

DNS History

9 records (4 active, 5 former)

●A104.21.33.2182026-04-12 → 2026-08-10 · 5 obs

● 2026-04-12 11:47:08
● 2026-04-29 10:35:12
○ 2026-05-02 14:53:48
● 2026-05-20 20:03:08
● 2026-08-10 12:13:36

●A172.67.150.1952026-04-12 → 2026-08-10 · 5 obs

● 2026-04-12 11:47:08
● 2026-04-29 10:35:12
○ 2026-05-02 14:53:48
● 2026-05-20 20:03:08
● 2026-08-10 12:13:36

○A188.114.96.02026-05-02 → 2026-05-02 · 4 obs

○ 2026-04-29 10:35:12
● 2026-05-02 14:53:48
○ 2026-05-20 20:03:08
○ 2026-08-10 12:13:36

○A188.114.97.02026-05-02 → 2026-05-02 · 4 obs

○ 2026-04-29 10:35:12
● 2026-05-02 14:53:48
○ 2026-05-20 20:03:08
○ 2026-08-10 12:13:36

●A2606:4700:3032::6815:21da2026-04-12 → 2026-08-10 · 5 obs

● 2026-04-12 11:47:08
● 2026-04-29 10:35:12
○ 2026-05-02 14:53:48
● 2026-05-20 20:03:08
● 2026-08-10 12:13:36

○A2606:4700:3032::ac43:96c32026-04-12 → 2026-05-24 · 7 obs

● 2026-04-12 11:47:08
● 2026-04-29 10:35:12
○ 2026-05-02 14:53:48
● 2026-05-20 20:03:08
● 2026-05-24 22:46:14
○ 2026-07-04 02:13:26
○ 2026-08-10 12:13:36

●A2606:4700:3033::ac43:96c32026-07-04 → 2026-08-10 · 3 obs

○ 2026-05-24 22:46:14
● 2026-07-04 02:13:26
● 2026-08-10 12:13:36

○A2a06:98c1:3120::2026-05-02 → 2026-05-02 · 4 obs

○ 2026-04-29 10:35:12
● 2026-05-02 14:53:48
○ 2026-05-20 20:03:08
○ 2026-08-10 12:13:36

○A2a06:98c1:3121::2026-05-02 → 2026-05-02 · 4 obs

○ 2026-04-29 10:35:12
● 2026-05-02 14:53:48
○ 2026-05-20 20:03:08
○ 2026-08-10 12:13:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
workers.dev	clyde.ns.cloudflare.com, sofia.ns.cloudflare.com	-
nulcloud.workers.dev	kristin.ns.cloudflare.com, luke.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.200

NS records: kristin.ns.cloudflare.com, luke.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 535ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.150.195, 104.21.33.218`
AAAA	2	`2606:4700:3033::ac43:96c3, 2606:4700:3032::6815:21da`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

openaid74d.nulcloud.workers.dev has four IP addresses: 104.21.33.218, 172.67.150.195, 2606:4700:3032::6815:21da and 2606:4700:3033::ac43:96c3.

Additional host names — ecrm.io, elearning.tnaionline.org, hashlucky.eu and two others — share IP numbers with openaid74d.nulcloud.workers.dev.

openaid74d.nulcloud.workers.dev - robtex.com