Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
digitalduo.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 04:49:15 UTC · ↺ Refresh
MX Hostnames
- _dc-mx.01984b9c6134.digitalduo.com.br
MX Priorities
- _dc-mx.01984b9c6134.digitalduo.com.br: 0
A / AAAA Records
- 172.67.210.11 (no PTR)
- 104.21.50.198 (no PTR)
- 2606:4700:3036::ac43:d20b (no PTR)
- 2606:4700:3034::6815:32c6 (no PTR)
Mail Server IPs
- 162.241.2.56 ↩ 162-241-2-56.unifiedlayer.com
SOA Record
Raw SOA
damon.ns.cloudflare.com dns.cloudflare.com 2396870289 10000 2400 604800 1800
Primary NS (mname)
damon.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396870289
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
damon.ns.cloudflare.com
grace.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.mx.cloudflare.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- facebook-domain-verification=1ii5vjb1ai3xs99jpc0dgxajxtiu7z
- google-site-verification=c75tqHQZqc4SFH7Z4JR2IuEkFpGxhRcmuVfz0WwKWNc
- SPFv=spf1 include:_spf.mx.cloudflare.net ~all
- SPFv=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
- brevo-code:4dbac9d5b3c6007d17bc64b82f432fe3
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