🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`test-webtool.agent.cortex.amazon.dev`

DNSSEC	⚠️ Not signed
NS	`ns-785.awsdns-34.net` ⭐
		A	2600:9000:5303:1100::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-785.awsdns-34.net`
		A	205.251.195.17^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-785.awsdns-34.net`
NS	`ns-1097.awsdns-09.org`
		A	2600:9000:5304:4900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1097.awsdns-09.org`
		A	205.251.196.73^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1097.awsdns-09.org`
NS	`ns-1760.awsdns-28.co.uk`
		A	2600:9000:5306:e000::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1760.awsdns-28.co.uk`
		A	205.251.198.224^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1760.awsdns-28.co.uk`
NS	`ns-433.awsdns-54.com`
		A	2600:9000:5301:b100::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-433.awsdns-54.com`
		A	205.251.193.177^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-433.awsdns-54.com`
SOA	`ns-785.awsdns-34.net`awsdns-hostmaster@amazon.com serial=1

`agent.cortex.amazon.dev`

	DNSSEC	⚠️ Not signed
	A	34.194.140.231^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
	A	100.57.12.47^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
	NS	`ns-377.awsdns-47.com` ⭐
	NS	`ns-1111.awsdns-10.org`
	NS	`ns-1737.awsdns-25.co.uk`
	NS	`ns-804.awsdns-36.net`
	SOA	`ns-377.awsdns-47.com`awsdns-hostmaster@amazon.com serial=1

Subdomains

dev.test-webtool.agent.cortex.amazon.dev

Previous names

Next names

dev.notifications.cortex.amazon.dev

dev.task-store.cortex.amazon.dev

onebox.aviary.cs.amazon.dev

prod-eu.aviary-component-assets.cs.amazon.dev

prod-na.aviary-component-assets.cs.amazon.dev

prod.ac3-regionflex.cs.amazon.dev

prod.aviary.cs.amazon.dev

prod.compatibility.cs.amazon.dev

zaz-prod.cetobservability.cs.amazon.dev

DNS History

4 records (4 active, 0 former)

●NSns-1097.awsdns-09.org2026-07-19 → 2026-10-16 · 2 obs

● 2026-07-19 08:40:12
● 2026-10-16 16:01:52

●NSns-1760.awsdns-28.co.uk2026-07-19 → 2026-10-16 · 2 obs

● 2026-07-19 08:40:12
● 2026-10-16 16:01:52

●NSns-433.awsdns-54.com2026-07-19 → 2026-10-16 · 2 obs

● 2026-07-19 08:40:12
● 2026-10-16 16:01:52

●NSns-785.awsdns-34.net2026-07-19 → 2026-10-16 · 2 obs

● 2026-07-19 08:40:12
● 2026-10-16 16:01:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
amazon.dev	ns-1648.awsdns-14.co.uk, ns-101.awsdns-12.com, ns-729.awsdns-27.net, ns-1373.awsdns-43.org	-
cortex.amazon.dev	ns-1480.awsdns-57.org, ns-2034.awsdns-62.co.uk, ns-281.awsdns-35.com, ns-826.awsdns-39.net	-
agent.cortex.amazon.dev	ns-1111.awsdns-10.org, ns-1737.awsdns-25.co.uk, ns-377.awsdns-47.com, ns-804.awsdns-36.net	-
test-webtool.agent.cortex.amazon.dev	ns-1097.awsdns-09.org, ns-1760.awsdns-28.co.uk, ns-433.awsdns-54.com, ns-785.awsdns-34.net	-

✅ Authoritative Response

Server:205.251.196.73

NS records: ns-1097.awsdns-09.org, ns-1760.awsdns-28.co.uk, ns-433.awsdns-54.com, ns-785.awsdns-34.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for amazon.dev (unsigned zone)

⏱️ Timing

Total: 1591ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1097.awsdns-09.org, ns-1760.awsdns-28.co.uk...`
SOA	1	`ns-785.awsdns-34.net awsdns-hostmaster.a`

Analysis

Hierarchy

The domain dev.test-webtool.agent.cortex.amazon.dev falls under the parent test-webtool.agent.cortex.amazon.dev.

Name Servers

Four name servers handle the delegation for test-webtool.agent.cortex.amazon.dev: ns-433.awsdns-54.com, ns-785.awsdns-34.net, ns-1097.awsdns-09.org and ns-1760.awsdns-28.co.uk.

At least some of test-webtool.agent.cortex.amazon.dev's name servers are shared with other domains, for example joinnrtda.com, o3international.com, codeyourfirstgame.com and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-433.awsdns-54.com directs to 205.251.193.177 and 2600:9000:5301:b100::1; ns-785.awsdns-34.net directs to 205.251.195.17 and 2600:9000:5303:1100::1; ns-1097.awsdns-09.org directs to 205.251.196.73 and 2600:9000:5304:4900::1; ns-1760.awsdns-28.co.uk directs to 205.251.198.224 and 2600:9000:5306:e000::1.

test-webtool.agent.cortex.amazon.dev - robtex.com