stage.tech.cogna.com.br - robtex.com
stage.tech.cogna.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1048.awsdns-03.org ⭐ | ||||||
| A | 2600:9000:5304:1800::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1048.awsdns-03.org | ||||||
| A | 205.251.196.24🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1048.awsdns-03.org | ||||||
| NS | ns-1600.awsdns-08.co.uk | ||||||
| A | 2600:9000:5306:4000::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1600.awsdns-08.co.uk | ||||||
| A | 205.251.198.64🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1600.awsdns-08.co.uk | ||||||
| NS | ns-459.awsdns-57.com | ||||||
| A | 2600:9000:5301:cb00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-459.awsdns-57.com | ||||||
| A | 205.251.193.203🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-459.awsdns-57.com | ||||||
| NS | ns-648.awsdns-17.net | ||||||
| A | 2600:9000:5302:8800::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-648.awsdns-17.net | ||||||
| A | 205.251.194.136🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-648.awsdns-17.net | ||||||
| SOA | ns-1048.awsdns-03.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
tech.cogna.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-86.awsdns-10.com ⭐ | ||||||
| NS | ns-1476.awsdns-56.org | ||||||
| NS | ns-1742.awsdns-25.co.uk | ||||||
| NS | ns-735.awsdns-27.net | ||||||
| SOA | ns-86.awsdns-10.comawsdns-hostmaster@amazon.com serial=1 | ||||||
Subdomains
edu.stage.tech.cogna.com.br |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns-1048.awsdns-03.org2026-03-23 → 2026-05-14 · 2 obs
● 2026-05-14 09:12:32
●NSns-1600.awsdns-08.co.uk2026-03-23 → 2026-05-14 · 2 obs
● 2026-05-14 09:12:32
●NSns-459.awsdns-57.com2026-03-23 → 2026-05-14 · 2 obs
● 2026-05-14 09:12:32
●NSns-648.awsdns-17.net2026-03-23 → 2026-05-14 · 2 obs
● 2026-05-14 09:12:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| cogna.com.br | ns-183.awsdns-22.com, ns-581.awsdns-08.net, ns-1597.awsdns-07.co.uk, ns-1388.awsdns-45.org | - |
| tech.cogna.com.br | ns-1476.awsdns-56.org, ns-1742.awsdns-25.co.uk, ns-735.awsdns-27.net, ns-86.awsdns-10.com | - |
| stage.tech.cogna.com.br | ns-1048.awsdns-03.org, ns-1600.awsdns-08.co.uk, ns-459.awsdns-57.com, ns-648.awsdns-17.net | - |
✅ Authoritative Response
Server:205.251.193.203
NS records: ns-1048.awsdns-03.org, ns-1600.awsdns-08.co.uk, ns-459.awsdns-57.com, ns-648.awsdns-17.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cogna.com.br (unsigned zone)
⏱️ Timing
Total: 1900ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1048.awsdns-03.org, ns-1600.awsdns-08.co.uk... |
| SOA | 1 | ns-1048.awsdns-03.org awsdns-hostmaster. |
Analysis
Hierarchy
stage.tech.cogna.com.br is the parent of edu.stage.tech.cogna.com.br.
Name Servers
stage.tech.cogna.com.br is delegated to four name servers: ns-459.awsdns-57.com, ns-648.awsdns-17.net, ns-1048.awsdns-03.org and ns-1600.awsdns-08.co.uk.
stage.tech.cogna.com.br shares name servers with other domains at least partially, for example guardduty.us-east-2.amazonaws.com, mostly.jp, khidr.alkhayyam.org, rfpowa-live.myportfolio.com and plugtec.com.br.
Host names with two IP numbers:
ns-459.awsdns-57.com points to: 2600:9000:5301:cb00::1 and 205.251.193.203
ns-648.awsdns-17.net points to: 2600:9000:5302:8800::1 and 205.251.194.136
ns-1048.awsdns-03.org points to: 2600:9000:5304:1800::1 and 205.251.196.24
ns-1600.awsdns-08.co.uk points to: 2600:9000:5306:4000::1 and 205.251.198.64