`lesson.tutorial20231402.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3a79^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:9f8c^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.58.121^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.140^{🇺🇸 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	104.21.58.121, 172.67.159.140
		IPv6 hints	2606:4700:3031::6815:3a79, 2606:4700:3033::ac43:9f8c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=44, name=cloudflare-ech.com

`tutorial20231402.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`bethany.ns.cloudflare.com` ⭐
	NS	`josh.ns.cloudflare.com`
	SOA	`bethany.ns.cloudflare.com`dns@cloudflare.com serial=2401537461

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DNS History

4 records (4 active, 0 former)

●A104.21.58.1212026-04-08 → 2026-04-29 · 2 obs

● 2026-04-08 17:40:56
● 2026-04-29 08:09:26

●A172.67.159.1402026-04-08 → 2026-04-29 · 2 obs

● 2026-04-08 17:40:56
● 2026-04-29 08:09:26

●A2606:4700:3031::6815:3a792026-04-08 → 2026-04-29 · 2 obs

● 2026-04-08 17:40:56
● 2026-04-29 08:09:26

●A2606:4700:3033::ac43:9f8c2026-04-08 → 2026-04-29 · 2 obs

● 2026-04-08 17:40:56
● 2026-04-29 08:09:26

🔍 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	-
tutorial20231402.workers.dev	bethany.ns.cloudflare.com, josh.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.31

NS records: bethany.ns.cloudflare.com, josh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 1302ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.159.140, 104.21.58.121`
AAAA	2	`2606:4700:3031::6815:3a79, 2606:4700:3033::ac43:9f8c`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

lesson.tutorial20231402.workers.dev maps to four IP numbers: 2606:4700:3031::6815:3a79, 2606:4700:3033::ac43:9f8c, 104.21.58.121 and 172.67.159.140.

Other host names such as headsocial.com, www.scmycoflora.org, mystarhost.com, shuffled.org and niffery.com share IPs with lesson.tutorial20231402.workers.dev.

lesson.tutorial20231402.workers.dev - robtex.com