🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`google.madisonwirtanen.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:5ea5^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8a15^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.94.165^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.21^{🇺🇸 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	104.21.94.165, 172.67.138.21
		IPv6 hints	2606:4700:3034::6815:5ea5, 2606:4700:3036::ac43:8a15
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=109, name=cloudflare-ech.com

`madisonwirtanen.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`memphis.ns.cloudflare.com` ⭐
	NS	`thea.ns.cloudflare.com`
	SOA	`memphis.ns.cloudflare.com`dns@cloudflare.com serial=2412196353

Same first word

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DNS History

14 records (4 active, 10 former)

●A104.21.94.1652026-04-15 → 2026-08-15 · 7 obs

● 2026-04-15 05:15:40
● 2026-06-07 00:40:16
○ 2026-06-16 07:37:30
● 2026-06-16 08:49:26
○ 2026-07-09 18:56:12
● 2026-08-15 23:47:06
● 2026-08-15 23:47:08

●A172.67.138.212026-04-15 → 2026-08-15 · 7 obs

● 2026-04-15 05:15:40
● 2026-06-07 00:40:16
○ 2026-06-16 07:37:30
● 2026-06-16 08:49:26
○ 2026-07-09 18:56:12
● 2026-08-15 23:47:06
● 2026-08-15 23:47:08

○A188.114.96.02026-08-05 → 2026-08-05 · 4 obs

○ 2026-08-03 13:44:42
● 2026-08-05 02:16:28
○ 2026-08-15 23:47:06
○ 2026-08-15 23:47:08

○A188.114.96.42026-06-16 → 2026-08-03 · 6 obs

○ 2026-06-07 00:40:16
● 2026-06-16 07:37:30
○ 2026-06-16 08:49:26
● 2026-08-03 13:44:42
○ 2026-08-05 02:16:28
○ 2026-08-15 23:47:08

○A188.114.97.02026-08-05 → 2026-08-05 · 4 obs

○ 2026-08-03 13:44:42
● 2026-08-05 02:16:28
○ 2026-08-15 23:47:06
○ 2026-08-15 23:47:08

○A188.114.97.42026-06-16 → 2026-08-03 · 6 obs

○ 2026-06-07 00:40:16
● 2026-06-16 07:37:30
○ 2026-06-16 08:49:26
● 2026-08-03 13:44:42
○ 2026-08-05 02:16:28
○ 2026-08-15 23:47:08

○A2606:4700:3033::6815:5ea52026-04-15 → 2026-06-16 · 6 obs

● 2026-04-15 05:15:40
● 2026-06-07 00:40:16
○ 2026-06-16 07:37:30
● 2026-06-16 08:49:26
○ 2026-06-23 18:57:34
○ 2026-08-15 23:47:08

●A2606:4700:3034::6815:5ea52026-06-23 → 2026-08-15 · 5 obs

○ 2026-06-16 08:49:26
● 2026-06-23 18:57:34
○ 2026-07-09 18:56:12
● 2026-08-15 23:47:06
● 2026-08-15 23:47:08

●A2606:4700:3036::ac43:8a152026-06-23 → 2026-08-15 · 5 obs

○ 2026-06-16 08:49:26
● 2026-06-23 18:57:34
○ 2026-07-09 18:56:12
● 2026-08-15 23:47:06
● 2026-08-15 23:47:08

○A2606:4700:3037::ac43:8a152026-04-15 → 2026-06-16 · 6 obs

● 2026-04-15 05:15:40
● 2026-06-07 00:40:16
○ 2026-06-16 07:37:30
● 2026-06-16 08:49:26
○ 2026-06-23 18:57:34
○ 2026-08-15 23:47:08

○A2a06:98c1:3120::2026-08-05 → 2026-08-05 · 4 obs

○ 2026-08-03 13:44:42
● 2026-08-05 02:16:28
○ 2026-08-15 23:47:06
○ 2026-08-15 23:47:08

○A2a06:98c1:3120::42026-06-16 → 2026-08-03 · 6 obs

○ 2026-06-07 00:40:16
● 2026-06-16 07:37:30
○ 2026-06-16 08:49:26
● 2026-08-03 13:44:42
○ 2026-08-05 02:16:28
○ 2026-08-15 23:47:08

○A2a06:98c1:3121::2026-08-05 → 2026-08-05 · 4 obs

○ 2026-08-03 13:44:42
● 2026-08-05 02:16:28
○ 2026-08-15 23:47:06
○ 2026-08-15 23:47:08

○A2a06:98c1:3121::42026-06-16 → 2026-08-03 · 6 obs

○ 2026-06-07 00:40:16
● 2026-06-16 07:37:30
○ 2026-06-16 08:49:26
● 2026-08-03 13:44:42
○ 2026-08-05 02:16:28
○ 2026-08-15 23:47:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
workers.dev	sofia.ns.cloudflare.com, clyde.ns.cloudflare.com	-
madisonwirtanen.workers.dev	memphis.ns.cloudflare.com, thea.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.189

NS records: memphis.ns.cloudflare.com, thea.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 411ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.138.21, 104.21.94.165`
AAAA	2	`2606:4700:3034::6815:5ea5, 2606:4700:3036::ac43:8a15`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

google.madisonwirtanen.workers.dev directs to four IP numbers, which are 104.21.94.165, 172.67.138.21, 2606:4700:3034::6815:5ea5 and 2606:4700:3036::ac43:8a15.

Additional host names — icqforum.org, gurustudy.com, 0478.me and two others — share IP numbers with google.madisonwirtanen.workers.dev.

google.madisonwirtanen.workers.dev - robtex.com