scale-classification.alexa-sci.amazon.dev - dns.ninja
scale-classification.alexa-sci.amazon.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1551.awsdns-01.co.uk ⭐ | ||||||
| A | 2600:9000:5306:f00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1551.awsdns-01.co.uk | ||||||
| A | 205.251.198.15🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1551.awsdns-01.co.uk | ||||||
| NS | ns-1401.awsdns-47.org | ||||||
| A | 2600:9000:5305:7900::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1401.awsdns-47.org | ||||||
| A | 205.251.197.121🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1401.awsdns-47.org | ||||||
| NS | ns-276.awsdns-34.com | ||||||
| A | 2600:9000:5301:1400::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-276.awsdns-34.com | ||||||
| A | 205.251.193.20🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-276.awsdns-34.com | ||||||
| NS | ns-937.awsdns-53.net | ||||||
| A | 2600:9000:5303:a900::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-937.awsdns-53.net | ||||||
| A | 205.251.195.169🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-937.awsdns-53.net | ||||||
| SOA | ns-1551.awsdns-01.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
alexa-sci.amazon.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-652.awsdns-17.net ⭐ | ||||||
| NS | ns-11.awsdns-01.com | ||||||
| NS | ns-1326.awsdns-37.org | ||||||
| NS | ns-1944.awsdns-51.co.uk | ||||||
| SOA | ns-652.awsdns-17.netawsdns-hostmaster@amazon.com serial=1 | ||||||
DNS History
4 records (4 active, 0 former)
●NSns-1401.awsdns-47.org2026-07-28 → 2026-08-12 · 2 obs
● 2026-08-12 00:31:00
●NSns-1551.awsdns-01.co.uk2026-07-28 → 2026-08-12 · 2 obs
● 2026-08-12 00:31:00
●NSns-276.awsdns-34.com2026-07-28 → 2026-08-12 · 2 obs
● 2026-08-12 00:31:00
●NSns-937.awsdns-53.net2026-07-28 → 2026-08-12 · 2 obs
● 2026-08-12 00:31:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| amazon.dev | ns-101.awsdns-12.com, ns-729.awsdns-27.net, ns-1373.awsdns-43.org, ns-1648.awsdns-14.co.uk | - |
| alexa-sci.amazon.dev | ns-11.awsdns-01.com, ns-1326.awsdns-37.org, ns-1944.awsdns-51.co.uk, ns-652.awsdns-17.net | - |
| scale-classification.alexa-sci.amazon.dev | ns-1401.awsdns-47.org, ns-1551.awsdns-01.co.uk, ns-276.awsdns-34.com, ns-937.awsdns-53.net | - |
✅ Authoritative Response
Server:205.251.195.169
NS records: ns-1401.awsdns-47.org, ns-1551.awsdns-01.co.uk, ns-276.awsdns-34.com, ns-937.awsdns-53.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for amazon.dev (unsigned zone)
⏱️ Timing
Total: 512ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1401.awsdns-47.org, ns-1551.awsdns-01.co.uk... |
| SOA | 1 | ns-1551.awsdns-01.co.uk awsdns-hostmaste |
Analysis
Name Servers
Four name servers handle the delegation for scale-classification.alexa-sci.amazon.dev: ns-276.awsdns-34.com, ns-937.awsdns-53.net, ns-1401.awsdns-47.org and ns-1551.awsdns-01.co.uk.
At least some of scale-classification.alexa-sci.amazon.dev's name servers are shared with other domains, for example boringpower.com, d2ai2jrmgaglaq.cloudfront.net, subarucs.com and two more.
Four hostnames, each resolving to a pair of IP addresses: ns-276.awsdns-34.com directs to 205.251.193.20 and 2600:9000:5301:1400::1; ns-937.awsdns-53.net directs to 205.251.195.169 and 2600:9000:5303:a900::1; ns-1401.awsdns-47.org directs to 205.251.197.121 and 2600:9000:5305:7900::1; ns-1551.awsdns-01.co.uk directs to 205.251.198.15 and 2600:9000:5306:f00::1.