ciocerrado.com.br

Valid Email Server
Domain Lookup › ciocerrado.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ciocerrado.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 03:54:35 UTC · ↺ Refresh

MX Hostnames

  • mx-ha.skymail.net.br

MX Priorities

  • mx-ha.skymail.net.br: 0

A / AAAA Records

  • 145.223.28.94 (no PTR)

Mail Server IPs

  • 168.0.133.10 ↩ mx-ha.skymail.net.br

SOA Record

Raw SOA ns1.skymail.net.br hostmaster.ciocerrado.com.br 1719876728 16384 2048 1048576 2560
Primary NS (mname)
ns1.skymail.net.br
Admin Email (rname)
hostmaster@ciocerrado.com.br
Serial
1719876728
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s

Nameservers (NS)

ns1.skymail.net.br
ns2.skymail.net.br
ns3.skymail.net.br

SPF Record

✓ Strict (-all)
v=spf1 include:spf.skymail.net.br -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • google-site-verification=rI_Oy6YSfe-fzX1fphOlrXxKI8297QT1iXQj0VvmNAk
  • SPFv=spf1 include:spf.skymail.net.br -all
  • brevo-code:a98da623183e344e1815f1a6f4954ead
Full email verification for ciocerrado.com.br

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits