`github.zerozr99.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:97a9^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:287f^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.40.127^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.151.169^{🇺🇸 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	104.21.40.127, 172.67.151.169
		IPv6 hints	2606:4700:3031::ac43:97a9, 2606:4700:3037::6815:287f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=111, name=cloudflare-ech.com

`zerozr99.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`santino.ns.cloudflare.com` ⭐
	NS	`zita.ns.cloudflare.com`
	SOA	`santino.ns.cloudflare.com`dns@cloudflare.com serial=2410487735

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DNS History

6 records (4 active, 2 former)

●A104.21.40.1272026-05-28 → 2026-08-03 · 2 obs

● 2026-05-28 15:00:56
● 2026-08-03 05:02:22

●A172.67.151.1692026-05-28 → 2026-08-03 · 2 obs

● 2026-05-28 15:00:56
● 2026-08-03 05:02:22

○A2606:4700:3030::ac43:97a92026-05-28 → 2026-06-16 · 4 obs

● 2026-05-28 15:00:56
● 2026-06-16 08:28:06
○ 2026-07-23 13:39:36
○ 2026-08-03 05:02:22

●A2606:4700:3031::ac43:97a92026-07-23 → 2026-08-03 · 3 obs

○ 2026-06-16 08:28:06
● 2026-07-23 13:39:36
● 2026-08-03 05:02:22

○A2606:4700:3034::6815:287f2026-05-28 → 2026-06-16 · 4 obs

● 2026-05-28 15:00:56
● 2026-06-16 08:28:06
○ 2026-07-23 13:39:36
○ 2026-08-03 05:02:22

●A2606:4700:3037::6815:287f2026-07-23 → 2026-08-03 · 3 obs

○ 2026-06-16 08:28:06
● 2026-07-23 13:39:36
● 2026-08-03 05:02:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	10 records
workers.dev	sofia.ns.cloudflare.com, clyde.ns.cloudflare.com	-
zerozr99.workers.dev	santino.ns.cloudflare.com, zita.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.243

NS records: santino.ns.cloudflare.com, zita.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 526ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.151.169, 104.21.40.127`
AAAA	2	`2606:4700:3031::ac43:97a9, 2606:4700:3037::6815:287f`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

github.zerozr99.workers.dev points to the four IP addresses 104.21.40.127, 172.67.151.169, 2606:4700:3031::ac43:97a9 and 2606:4700:3037::6815:287f.

Two other host names, along with denimlabo.com, globalalphaline.com and authtool.app, also share IP numbers with github.zerozr99.workers.dev.

github.zerozr99.workers.dev - robtex.com