`google.monsys.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:6c6^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:873b^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.6.198^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.59^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.6.198, 172.67.135.59
		IPv6 hints	2606:4700:3031::6815:6c6, 2606:4700:3033::ac43:873b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=152, name=cloudflare-ech.com

`monsys.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`bruce.ns.cloudflare.com` ⭐
	NS	`demi.ns.cloudflare.com`
	SOA	`bruce.ns.cloudflare.com`dns@cloudflare.com serial=2410958878

Same first word

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DNS History

10 records (4 active, 6 former)

●A104.21.6.1982026-04-14 → 2026-08-07 · 5 obs

● 2026-04-14 16:55:50
● 2026-05-29 13:44:00
○ 2026-06-04 08:59:52
● 2026-06-10 02:05:46
● 2026-08-07 22:04:30

●A172.67.135.592026-04-14 → 2026-08-07 · 5 obs

● 2026-04-14 16:55:50
● 2026-05-29 13:44:00
○ 2026-06-04 08:59:52
● 2026-06-10 02:05:46
● 2026-08-07 22:04:30

○A188.114.96.02026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-29 13:44:00
● 2026-06-04 08:59:52
○ 2026-06-10 02:05:46
○ 2026-08-07 22:04:30

○A188.114.97.02026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-29 13:44:00
● 2026-06-04 08:59:52
○ 2026-06-10 02:05:46
○ 2026-08-07 22:04:30

●A2606:4700:3031::6815:6c62026-07-04 → 2026-08-07 · 3 obs

○ 2026-06-14 20:05:28
● 2026-07-04 10:23:42
● 2026-08-07 22:04:30

○A2606:4700:3031::ac43:873b2026-04-14 → 2026-06-14 · 7 obs

● 2026-04-14 16:55:50
● 2026-05-29 13:44:00
○ 2026-06-04 08:59:52
● 2026-06-10 02:05:46
● 2026-06-14 20:05:28
○ 2026-07-04 10:23:42
○ 2026-08-07 22:04:30

●A2606:4700:3033::ac43:873b2026-07-04 → 2026-08-07 · 3 obs

○ 2026-06-14 20:05:28
● 2026-07-04 10:23:42
● 2026-08-07 22:04:30

○A2606:4700:3034::6815:6c62026-04-14 → 2026-06-14 · 7 obs

● 2026-04-14 16:55:50
● 2026-05-29 13:44:00
○ 2026-06-04 08:59:52
● 2026-06-10 02:05:46
● 2026-06-14 20:05:28
○ 2026-07-04 10:23:42
○ 2026-08-07 22:04:30

○A2a06:98c1:3120::2026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-29 13:44:00
● 2026-06-04 08:59:52
○ 2026-06-10 02:05:46
○ 2026-08-07 22:04:30

○A2a06:98c1:3121::2026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-29 13:44:00
● 2026-06-04 08:59:52
○ 2026-06-10 02:05:46
○ 2026-08-07 22:04:30

🔍 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	-
monsys.workers.dev	bruce.ns.cloudflare.com, demi.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.77

NS records: bruce.ns.cloudflare.com, demi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 517ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.6.198, 172.67.135.59`
AAAA	2	`2606:4700:3033::ac43:873b, 2606:4700:3031::6815:6c6`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

google.monsys.workers.dev has four IP addresses: 104.21.6.198, 172.67.135.59, 2606:4700:3031::6815:6c6 and 2606:4700:3033::ac43:873b.

Additional host names — guest-resrvaton-gatte.com, bestcasinositesuk.ink, wxlyxbxgb.com and two others — share IP numbers with google.monsys.workers.dev.

google.monsys.workers.dev - robtex.com