Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crosp.org.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 03:46:35 UTC · ↺ Refresh
MX Hostnames
- mx-ha.skymail.net.br
MX Priorities
- mx-ha.skymail.net.br: 10
A / AAAA Records
- 104.21.40.61 (no PTR)
- 172.67.178.10 (no PTR)
- 2606:4700:3032::6815:283d (no PTR)
- 2606:4700:3030::ac43:b20a (no PTR)
Mail Server IPs
- 168.0.133.10 ↩ mx-ha.skymail.net.br
SOA Record
Raw SOA
lamar.ns.cloudflare.com dns.cloudflare.com 2397123253 10000 2400 604800 1800
Primary NS (mname)
lamar.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397123253
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lamar.ns.cloudflare.com
nora.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:cti.com.br include:spf.skymail.net.br include:spf.infraxgroup.com.br ?all
📊 DNS lookups: 3/10
? Neutral (?all) — no 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
✓ 1 found
default._domainkey
✓ Public key: 216 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
3 records- MS=CD324A0481D13A26FCFBF8B844EE8B313677EBB2
- google-site-verification=2j7LOKZE7VXEuVuuhiokPlRCxMRv4JWYX-VDEoTb-Po
- SPFv=spf1 include:cti.com.br include:spf.skymail.net.br include:spf.infraxgroup.com.br ?all
Full email verification for crosp.org.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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