`one.davidolsen1991.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c9c1^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:4a60^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.74.96^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.201.193^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.74.96, 172.67.201.193
		IPv6 hints	2606:4700:3030::ac43:c9c1, 2606:4700:3036::6815:4a60
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=53, name=cloudflare-ech.com

`davidolsen1991.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`aryanna.ns.cloudflare.com` ⭐
	NS	`lennox.ns.cloudflare.com`
	SOA	`aryanna.ns.cloudflare.com`dns@cloudflare.com serial=2398433553

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DNS History

4 records (4 active, 0 former)

●A104.21.74.962026-03-19 → 2026-04-12 · 2 obs

● 2026-03-19 10:15:10
● 2026-04-12 13:34:26

●A172.67.201.1932026-03-19 → 2026-04-12 · 2 obs

● 2026-03-19 10:15:10
● 2026-04-12 13:34:26

●A2606:4700:3030::ac43:c9c12026-03-19 → 2026-04-12 · 2 obs

● 2026-03-19 10:15:10
● 2026-04-12 13:34:26

●A2606:4700:3036::6815:4a602026-03-19 → 2026-04-12 · 2 obs

● 2026-03-19 10:15:10
● 2026-04-12 13:34:26

🔍 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	clyde.ns.cloudflare.com, sofia.ns.cloudflare.com	-
davidolsen1991.workers.dev	aryanna.ns.cloudflare.com, lennox.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.214

NS records: aryanna.ns.cloudflare.com, lennox.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 636ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.201.193, 104.21.74.96`
AAAA	2	`2606:4700:3036::6815:4a60, 2606:4700:3030::ac43:c9c1`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

one.davidolsen1991.workers.dev points to four IP numbers: 2606:4700:3030::ac43:c9c1, 2606:4700:3036::6815:4a60, 104.21.74.96 and 172.67.201.193.

For instance, other host names novablog.net, carwood.co.uk, samedayelectriciansnearme.com, www.adfinity.net.cdn.cloudflare.net and www.lnh.com share IP numbers with one.davidolsen1991.workers.dev.

one.davidolsen1991.workers.dev - robtex.com