`hello.doclang.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:488a^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:9726^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.138^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.151.38^{🇺🇸 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	104.21.72.138, 172.67.151.38
		IPv6 hints	2606:4700:3031::6815:488a, 2606:4700:3033::ac43:9726
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=160, name=cloudflare-ech.com

`doclang.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`crystal.ns.cloudflare.com` ⭐
	NS	`lee.ns.cloudflare.com`
	SOA	`crystal.ns.cloudflare.com`dns@cloudflare.com serial=2409899491

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DNS History

6 records (4 active, 2 former)

●A104.21.72.1382026-03-23 → 2026-08-05 · 2 obs

● 2026-03-23 13:03:36
● 2026-08-05 07:27:12

●A172.67.151.382026-03-23 → 2026-08-05 · 2 obs

● 2026-03-23 13:03:36
● 2026-08-05 07:27:12

●A2606:4700:3031::6815:488a2026-08-05 → 2026-08-05 · 2 obs

○ 2026-06-14 21:51:48
● 2026-08-05 07:27:12

○A2606:4700:3031::ac43:97262026-03-23 → 2026-06-14 · 3 obs

● 2026-03-23 13:03:36
● 2026-06-14 21:51:48
○ 2026-08-05 07:27:12

●A2606:4700:3033::ac43:97262026-08-05 → 2026-08-05 · 2 obs

○ 2026-06-14 21:51:48
● 2026-08-05 07:27:12

○A2606:4700:3034::6815:488a2026-03-23 → 2026-06-14 · 3 obs

● 2026-03-23 13:03:36
● 2026-06-14 21:51:48
○ 2026-08-05 07:27:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
workers.dev	sofia.ns.cloudflare.com, clyde.ns.cloudflare.com	-
doclang.workers.dev	crystal.ns.cloudflare.com, lee.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.202

NS records: crystal.ns.cloudflare.com, lee.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 378ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.151.38, 104.21.72.138`
AAAA	2	`2606:4700:3031::6815:488a, 2606:4700:3033::ac43:9726`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

hello.doclang.workers.dev resolves to four IP addresses: 104.21.72.138, 172.67.151.38, 2606:4700:3031::6815:488a and 2606:4700:3033::ac43:9726.

deemitapp.com, 996bulo.club, www.underwaterscubadiving.com and two other host names share IP numbers with hello.doclang.workers.dev.

hello.doclang.workers.dev - dns.ninja