`one.jacobarston.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:45d0^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d519^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.69.208^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.213.25^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.69.208, 172.67.213.25
		IPv6 hints	2606:4700:3037::6815:45d0, 2606:4700:3037::ac43:d519
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=36, name=cloudflare-ech.com

`jacobarston.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`byron.ns.cloudflare.com` ⭐
	NS	`dana.ns.cloudflare.com`
	SOA	`byron.ns.cloudflare.com`dns@cloudflare.com serial=2408597217

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DNS History

5 records (4 active, 1 former)

●A104.21.69.2082026-03-28 → 2026-08-11 · 2 obs

● 2026-03-28 13:32:24
● 2026-08-11 04:46:30

●A172.67.213.252026-03-28 → 2026-08-11 · 2 obs

● 2026-03-28 13:32:24
● 2026-08-11 04:46:30

○A2606:4700:3035::6815:45d02026-03-28 → 2026-06-16 · 3 obs

● 2026-03-28 13:32:24
● 2026-06-16 20:57:14
○ 2026-08-11 04:46:30

●A2606:4700:3037::6815:45d02026-08-11 → 2026-08-11 · 2 obs

○ 2026-06-16 20:57:14
● 2026-08-11 04:46:30

●A2606:4700:3037::ac43:d5192026-03-28 → 2026-08-11 · 2 obs

● 2026-03-28 13:32:24
● 2026-08-11 04:46:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...	-
workers.dev	sofia.ns.cloudflare.com, clyde.ns.cloudflare.com	-
jacobarston.workers.dev	byron.ns.cloudflare.com, dana.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.105

NS records: byron.ns.cloudflare.com, dana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 3015ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.69.208, 172.67.213.25`
AAAA	2	`2606:4700:3037::ac43:d519, 2606:4700:3037::6815:45d0`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

one.jacobarston.workers.dev points to the four IP addresses 104.21.69.208, 172.67.213.25, 2606:4700:3037::6815:45d0 and 2606:4700:3037::ac43:d519.

itdc.ge, resadex.com, info-systems.com plus two other host names have IP numbers in common with one.jacobarston.workers.dev.

one.jacobarston.workers.dev - dns.ninja