csos.alexa-sci.amazon.dev - dns.ninja
csos.alexa-sci.amazon.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-63.awsdns-07.com ⭐ | ||||||
| A | 2600:9000:5300:3f00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-63.awsdns-07.com | ||||||
| A | 205.251.192.63🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-63.awsdns-07.com | ||||||
| NS | ns-1351.awsdns-40.org | ||||||
| A | 2600:9000:5305:4700::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1351.awsdns-40.org | ||||||
| A | 205.251.197.71🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1351.awsdns-40.org | ||||||
| NS | ns-1666.awsdns-16.co.uk | ||||||
| A | 2600:9000:5306:8200::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1666.awsdns-16.co.uk | ||||||
| A | 205.251.198.130🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1666.awsdns-16.co.uk | ||||||
| NS | ns-807.awsdns-36.net | ||||||
| A | 2600:9000:5303:2700::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-807.awsdns-36.net | ||||||
| A | 205.251.195.39🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-807.awsdns-36.net | ||||||
| SOA | ns-63.awsdns-07.comawsdns-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 | ||||||
Same first word
csos.net |
csos.fr |
csos.com |
csos.eu |
csos.co |
csos.co.uk |
csos.org.za |
csos.org |
csos.de |
csos.cc |
csos.ru |
csos.nc |
csos.ch |
csos.cz |
csos.ca |
csos.in |
csos.org.hk |
csos.info |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns-1351.awsdns-40.org2026-07-19 → 2026-08-12 · 2 obs
● 2026-08-12 03:27:36
●NSns-1666.awsdns-16.co.uk2026-07-19 → 2026-08-12 · 2 obs
● 2026-08-12 03:27:36
●NSns-63.awsdns-07.com2026-07-19 → 2026-08-12 · 2 obs
● 2026-08-12 03:27:36
●NSns-807.awsdns-36.net2026-07-19 → 2026-08-12 · 2 obs
● 2026-08-12 03:27:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| amazon.dev | ns-1373.awsdns-43.org, ns-729.awsdns-27.net, ns-101.awsdns-12.com, 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 | - |
| csos.alexa-sci.amazon.dev | ns-1351.awsdns-40.org, ns-1666.awsdns-16.co.uk, ns-63.awsdns-07.com, ns-807.awsdns-36.net | - |
✅ Authoritative Response
Server:205.251.198.130
NS records: ns-1351.awsdns-40.org, ns-1666.awsdns-16.co.uk, ns-63.awsdns-07.com, ns-807.awsdns-36.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for amazon.dev (unsigned zone)
⏱️ Timing
Total: 516ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1351.awsdns-40.org, ns-1666.awsdns-16.co.uk... |
| SOA | 1 | ns-63.awsdns-07.com awsdns-hostmaster.am |
Analysis
Name Servers
The domain csos.alexa-sci.amazon.dev is delegated to these four name servers: ns-63.awsdns-07.com, ns-807.awsdns-36.net, ns-1351.awsdns-40.org and ns-1666.awsdns-16.co.uk.
The name servers of csos.alexa-sci.amazon.dev overlap at least partially with those of other domains — among them alliantgroupinfo.com, dimensionm.com.s3.amazonaws.com, andnasa.com and two more.
Each of the four hosts ns-63.awsdns-07.com, ns-807.awsdns-36.net, ns-1351.awsdns-40.org and ns-1666.awsdns-16.co.uk has two IP addresses. ns-63.awsdns-07.com points to 205.251.192.63 and 2600:9000:5300:3f00::1. ns-807.awsdns-36.net points to 205.251.195.39 and 2600:9000:5303:2700::1. ns-1351.awsdns-40.org points to 205.251.197.71 and 2600:9000:5305:4700::1. ns-1666.awsdns-16.co.uk points to 205.251.198.130 and 2600:9000:5306:8200::1.