mx20.blue3.com.br - robtex.com
mx20.blue3.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 170.233.231.26🇧🇷 UNSPECIFIED170.233.230.0/23 CLARO S.A. Customer | ||||||
| PTR | mx20.blue3.com.br | ||||||
blue3.com.br
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 170.233.231.20🇧🇷 UNSPECIFIED170.233.230.0/23 CLARO S.A. Customer | ||||||
| NS | melody.ns.cloudflare.com ⭐ | ||||||
| NS | reese.ns.cloudflare.com | ||||||
| MX | mx.spamexperts.com ⭐ | ||||||
| MX | fallbackmx.spamexperts.eu(20) | ||||||
| MX | lastmx.spamexperts.net(30) | ||||||
| MX | mx20.blue3.com.br(60) | ||||||
| TXT | Update:20251210120000 | ||||||
| TXT | apple-domain-verification=UbIG2Q21VJWDYqlC | ||||||
| TXT | google-site-verification=8nbXYPXrmiCBpJasBPiuFaJc_9P8iSPEel3MRAyhbOM | ||||||
| TXT | v=spf1 include:_spf.localservices.com.br mx ip4:170.233.231.25 -all | ||||||
| SOA | melody.ns.cloudflare.comdns@cloudflare.com serial=2405823449 | ||||||
PTR for
MX for
Same first word
Similar names
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mx02.de |
02xm.top |
mx02.123hjemmeside.dk |
m20x.com |
20xm.cn |
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xm02.com |
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xm20.com |
xm02.net |
20xm.com |
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DNS History
1 record (1 active, 0 former)
●A170.233.231.262026-04-07 → 2026-06-07 · 2 obs
● 2026-04-07 17:58:34
● 2026-06-07 01:27:10
● 2026-06-07 01:27:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| blue3.com.br | melody.ns.cloudflare.com, reese.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.117
NS records: melody.ns.cloudflare.com, reese.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1558ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 170.233.231.26 |
Analysis
Mail Server Role
mx20.blue3.com.br is used as a mail server for blue3.com.br.
mx.spamexperts.com, fallbackmx.spamexperts.eu and lastmx.spamexperts.net commonly appear as mail servers together with mx20.blue3.com.br.
IP Addresses
mx20.blue3.com.br resolves to one IP address: 170.233.231.26.