Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cassol.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 13:46:05 UTC · ↺ Refresh
MX Hostnames
- cassol-com-br.mail.protection.outlook.com
MX Priorities
- cassol-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 186.233.202.51 (no PTR)
Mail Server IPs
- 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
- 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
SOA Record
Raw SOA
bill.ns.cloudflare.com dns.cloudflare.com 2397532384 10000 2400 604800 1800
Primary NS (mname)
bill.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397532384
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
bonnie.ns.cloudflare.com
bill.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:45.56.127.69 ip4:177.185.1.0/24 ip4:200.146.123.136/29 include:sendgrid.net include:spf.aknamail.com.br include:casspf.cassol.com.br include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- _globalsign-domain-verification=bTwtlv6nLDkBucG5uIg8Dk-BBq5Gfp1z0tXRZVKRCk
- facebook-domain-verification=6tfvbw93yielhpr2gnijdqnrh4rv3x
- google-site-verification=2kz1fvNjp5RApAoXBJE8nrMT1rJCGxPFEow29OtmE1k
- google-site-verification=fp_QLAxHTdGr2If8hZDbndqkEj4Yr-O1Ib_VrMNkBZQ
- SPFv=spf1 a mx ip4:45.56.127.69 ip4:177.185.1.0/24 ip4:200.146.123.136/29 include:sendgrid.net include:spf.aknamail.com.br include:casspf.cassol.com.br include:spf.protection.outlook.com -all
- "MS=B71C70D24420FBAEA43F00E0E01F5BD2370AC1CE"
- MS=ms74393170
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