olt.org.br - robtex.com
olt.org.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.3.17.250🇺🇸 Amazon52.2.0.0/15 EC2 IAD prefix | ||||||
| PTR | ec2-52-3-17-250.compute-1.amazonaws.com | ||||||
| NS | ns-435.awsdns-54.com ⭐ | ||||||
| A | 2600:9000:5301:b300::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-435.awsdns-54.com | ||||||
| A | 205.251.193.179🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-435.awsdns-54.com | ||||||
| NS | ns-1344.awsdns-40.org | ||||||
| A | 2600:9000:5305:4000::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1344.awsdns-40.org | ||||||
| A | 205.251.197.64🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1344.awsdns-40.org | ||||||
| NS | ns-1759.awsdns-27.co.uk | ||||||
| A | 2600:9000:5306:df00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1759.awsdns-27.co.uk | ||||||
| A | 205.251.198.223🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1759.awsdns-27.co.uk | ||||||
| NS | ns-535.awsdns-02.net | ||||||
| A | 2600:9000:5302:1700::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-535.awsdns-02.net | ||||||
| A | 205.251.194.23🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-535.awsdns-02.net | ||||||
| SOA | ns-435.awsdns-54.comawsdns-hostmaster@amazon.com serial=1 | ||||||
org.br
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.br ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.br ⚠️ Not in parent delegation | ||||||
| NS | c.dns.br ⚠️ Not in parent delegation | ||||||
| NS | d.dns.br ⚠️ Not in parent delegation | ||||||
| NS | e.dns.br ⚠️ Not in parent delegation | ||||||
| NS | f.dns.br ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.brhostmaster@registro.br serial=2026118524 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns-1344.awsdns-40.org2026-04-24 → 2026-04-28 · 2 obs
● 2026-04-28 21:56:56
●NSns-1759.awsdns-27.co.uk2026-04-24 → 2026-04-28 · 2 obs
● 2026-04-28 21:56:56
●NSns-435.awsdns-54.com2026-04-24 → 2026-04-28 · 2 obs
● 2026-04-28 21:56:56
●NSns-535.awsdns-02.net2026-04-24 → 2026-04-28 · 2 obs
● 2026-04-28 21:56:56
●A52.3.17.2502026-04-24 → 2026-04-28 · 2 obs
● 2026-04-28 21:56:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | d.dns.br, a.dns.br, b.dns.br, c.dns.br... | - |
| olt.org.br | ns-535.awsdns-02.net, ns-1344.awsdns-40.org, ns-1759.awsdns-27.co.uk, ns-435.awsdns-54.com | - |
✅ Authoritative Response
Server:205.251.198.223
NS records: ns-535.awsdns-02.net, ns-1344.awsdns-40.org, ns-1759.awsdns-27.co.uk, ns-435.awsdns-54.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for olt.org.br (unsigned zone)
⏱️ Timing
Total: 844ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.3.17.250 |
| NS | 4 | ns-1344.awsdns-40.org, ns-1759.awsdns-27.co.uk... |
| SOA | 1 | ns-435.awsdns-54.com awsdns-hostmaster.a |
Analysis
IP Addresses
olt.org.br points to a single IP number: 52.3.17.250.
Name Servers
olt.org.br is delegated to four name servers: ns-435.awsdns-54.com, ns-535.awsdns-02.net, ns-1344.awsdns-40.org and ns-1759.awsdns-27.co.uk.
olt.org.br at least partially shares name servers with other domains, for instance snapfire.eu, listlisting.com, app.kinto-join.it, hostrevo.com and qdr.org.
Host names with two IP numbers:
Host name ns-435.awsdns-54.com points to: 2600:9000:5301:b300::1 and 205.251.193.179.
Host name ns-535.awsdns-02.net points to: 2600:9000:5302:1700::1 and 205.251.194.23.
Host name ns-1344.awsdns-40.org points to: 2600:9000:5305:4000::1 and 205.251.197.64.
Host name ns-1759.awsdns-27.co.uk points to: 2600:9000:5306:df00::1 and 205.251.198.223.