Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cromosit.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 05:46:01 UTC · ↺ Refresh
MX Hostnames
- spf2.opus-idc.com.br
- spf1.opus-idc.com.br
MX Priorities
- spf2.opus-idc.com.br: 10
- spf1.opus-idc.com.br: 10
A / AAAA Records
- 200.106.168.134 ↩ hosting.opus-idc.com.br
Mail Server IPs
- 200.106.168.2 ↩ spf2.opus-idc.com.br
- 200.106.168.1 ↩ spf1.opus-idc.com.br
SOA Record
Raw SOA
ns1.cromosit.com.br samuel.cromosit.com.br 2026021611 10800 3600 1209600 10800
Primary NS (mname)
ns1.cromosit.com.br
Admin Email (rname)
samuel@cromosit.com.br
Serial
2026021611
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns1.cromosit.com.br
ns2.cromosit.com.br
SPF Record
✓ Soft Fail (~all)
v=spf1 include:api-mail.com ip4:189.16.90.51 ip4:189.16.90.52 ip4:200.194.223.25 ip4:201.48.32.97 ip4:201.48.32.98 ip4:201.48.32.99 include:_spf.rdstation.com.br include:sendgrid.net a:spf1.opus-idc.com.br a:spf2.opus-idc.com.br ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms82151092
- SPFv=spf1 include:api-mail.com ip4:189.16.90.51 ip4:189.16.90.52 ip4:200.194.223.25 ip4:201.48.32.97 ip4:201.48.32.98 ip4:201.48.32.99 include:_spf.rdstation.com.br include:sendgrid.net a:spf1.opus-idc.com.br a:spf2.opus-idc.com.br ~all
- google-site-verification=GtE6r7j9Wz5LcmSbV8K-vxcRPQrjyF1-F_SLXd0WAu4
- facebook-domain-verification=1oiyw0gedxt543k6nd9zh7xyx1szba
Full email verification for cromosit.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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