coredf.org.br - robtex.com
coredf.org.br
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=2026115114 | ||||||
Previously MX for
coredf.org.br |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSns-1190.awsdns-20.org2026-04-24 → 2026-04-25 · 3 obs
● 2026-04-24 16:33:48
● 2026-04-25 05:09:50
●NSns-1772.awsdns-29.co.uk2026-04-24 → 2026-04-25 · 3 obs
● 2026-04-24 16:33:48
● 2026-04-25 05:09:50
●NSns-37.awsdns-04.com2026-04-24 → 2026-04-25 · 3 obs
● 2026-04-24 16:33:48
● 2026-04-25 05:09:50
●NSns-592.awsdns-10.net2026-04-24 → 2026-04-25 · 3 obs
● 2026-04-24 16:33:48
● 2026-04-25 05:09:50
○NSns1.technetbsb.com.br2018-05-31 → 2018-05-31 · 3 obs
○ 2026-04-24 16:33:48
○ 2026-04-25 05:09:50
○NSns2.technetbsb.com.br2018-05-31 → 2018-05-31 · 3 obs
○ 2026-04-24 16:33:48
○ 2026-04-25 05:09:50
●MXcoredf-org-br.mail.protection.outlook.com2026-04-24 → 2026-04-25 · 3 obs
● 2026-04-24 16:33:48
● 2026-04-25 05:09:50
○MXcoredf.org.br2018-05-31 → 2018-05-31 · 3 obs
○ 2026-04-24 16:33:48
○ 2026-04-25 05:09:50
●A56.124.43.1472026-04-24 → 2026-04-25 · 3 obs
● 2026-04-24 16:33:48
● 2026-04-25 05:09:50
○A63.143.40.822018-05-31 → 2018-05-31 · 3 obs
○ 2026-04-24 16:33:48
○ 2026-04-25 05:09:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | b.dns.br, f.dns.br, a.dns.br, e.dns.br... | - |
| coredf.org.br | ns-592.awsdns-10.net, ns-1190.awsdns-20.org, ns-37.awsdns-04.com, ns-1772.awsdns-29.co.uk | - |
✅ Authoritative Response
Server:205.251.192.37
NS records: ns-592.awsdns-10.net, ns-1190.awsdns-20.org, ns-37.awsdns-04.com, ns-1772.awsdns-29.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coredf.org.br (unsigned zone)
⏱️ Timing
Total: 644ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 56.124.43.147 |
| NS | 4 | ns-1190.awsdns-20.org, ns-1772.awsdns-29.co.uk... |
| MX | 1 | coredf-org-br.mail.protection.outlook.co |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns-592.awsdns-10.net awsdns-hostmaster.a |
Analysis
IP Addresses
coredf.org.br resolves to one IP number: 56.124.43.147.
Name Servers
coredf.org.br is delegated to four name servers: ns-37.awsdns-04.com, ns-592.awsdns-10.net, ns-1190.awsdns-20.org and ns-1772.awsdns-29.co.uk.
coredf.org.br at least partially shares name servers with other domains, for instance codo.space, d3a6x1yy3j4vy5.cloudfront.net, vacasastage.services, velasystems.com and snickershungerinsurance.co.uk.
these name servers are commonly used alongside ns-569.awsdns-07.net.
Host names with two IP numbers:
ns-37.awsdns-04.com points to 2600:9000:5300:2500::1 and 205.251.192.37; ns-592.awsdns-10.net points to 2600:9000:5302:5000::1 and 205.251.194.80; ns-1190.awsdns-20.org points to 2600:9000:5304:a600::1 and 205.251.196.166; ns-1772.awsdns-29.co.uk points to 2600:9000:5306:ec00::1 and 205.251.198.236.
Mail Servers
coredf.org.br is handled by a single mail server, coredf-org-br.mail.protection.outlook.com.
Host coredf-org-br.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c94a::, 2a01:111:f403:c94a::1, 2a01:111:f403:c94a::2, 2a01:111:f403:c94c::, 52.101.198.0, 52.101.198.1, 52.101.198.38 and 52.101.200.0.