🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`apimail.claudecode.study`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:91ed^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:5fa1^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.95.161^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.145.237^{🇺🇸 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	104.21.95.161, 172.67.145.237
		IPv6 hints	2606:4700:3033::ac43:91ed, 2606:4700:3036::6815:5fa1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=66, name=cloudflare-ech.com

`claudecode.study`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:91ed^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:5fa1^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.95.161^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.145.237^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`emma.ns.cloudflare.com` ⭐
NS	`max.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
MX	`route3.mx.cloudflare.net`⁽⁵⁵⁾
MX	`route2.mx.cloudflare.net`⁽⁹⁶⁾
TXT	`openai-domain-verification=dv-LD6u6Q747qWqPPJBdQ4tLBa7`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.95.161, 172.67.145.237
		IPv6 hints	2606:4700:3033::ac43:91ed, 2606:4700:3036::6815:5fa1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=66, name=cloudflare-ech.com
SOA	`emma.ns.cloudflare.com`dns@cloudflare.com serial=2410724596

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Nearby domains

DNS History

4 records (4 active, 0 former)

●A104.21.95.1612026-08-11 → 2026-08-17 · 2 obs

● 2026-08-11 14:45:50
● 2026-08-17 15:04:54

●A172.67.145.2372026-08-11 → 2026-08-17 · 2 obs

● 2026-08-11 14:45:50
● 2026-08-17 15:04:54

●A2606:4700:3033::ac43:91ed2026-08-11 → 2026-08-17 · 2 obs

● 2026-08-11 14:45:50
● 2026-08-17 15:04:54

●A2606:4700:3036::6815:5fa12026-08-11 → 2026-08-17 · 2 obs

● 2026-08-11 14:45:50
● 2026-08-17 15:04:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
study	a.nic.study, x.nic.study, y.nic.study, b.nic.study...	12 records
claudecode.study	max.ns.cloudflare.com, emma.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.112

NS records: max.ns.cloudflare.com, emma.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for claudecode.study (unsigned zone)

⏱️ Timing

Total: 450ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.145.237, 104.21.95.161`
AAAA	2	`2606:4700:3036::6815:5fa1, 2606:4700:3033::ac43:91ed`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)

Analysis

IP Addresses

apimail.claudecode.study has four IP addresses: 104.21.95.161, 172.67.145.237, 2606:4700:3033::ac43:91ed and 2606:4700:3036::6815:5fa1.

Additional host names — runabyt3.com, madouvid.com, kelaspjok.com and two others — share IP numbers with apimail.claudecode.study.

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apimail.claudecode.study - robtex.com