`api.claude-api.org`

DNSSEC	⚠️ Not signed
A	35.161.172.243^{🇺🇸 Amazon35.160.0.0/13 EC2 PDX prefix}
		PTR	`ec2-35-161-172-243.us-west-2.compute.amazonaws.com`

`claude-api.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:890d^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:26ad^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.38.173^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.13^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`margot.ns.cloudflare.com` ⭐
NS	`razvan.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
MX	`route1.mx.cloudflare.net`⁽³³⁾
MX	`route2.mx.cloudflare.net`⁽⁶¹⁾
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.38.173, 172.67.137.13
		IPv6 hints	2606:4700:3032::ac43:890d, 2606:4700:3033::6815:26ad
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=45, name=cloudflare-ech.com
SOA	`margot.ns.cloudflare.com`dns@cloudflare.com serial=2408666139

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DNS History

1 record (1 active, 0 former)

●A35.161.172.2432026-06-22 → 2026-07-16 · 2 obs

● 2026-06-22 02:17:10
● 2026-07-16 03:00:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
claude-api.org	razvan.ns.cloudflare.com, margot.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.167

NS records: razvan.ns.cloudflare.com, margot.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for claude-api.org (unsigned zone)

⏱️ Timing

Total: 359ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.161.172.243`

Analysis

IP Addresses

api.claude-api.org has exactly one IP address — 35.161.172.243.

api.claude-api.org - robtex.com