Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
casetecnologia.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 04:12:31 UTC · ↺ Refresh
MX Hostnames
- casetecnologia-com-br.mail.protection.outlook.com
MX Priorities
- casetecnologia-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 187.73.238.138 ↩ bb49ee8a.vix.intervip.com.br
Mail Server IPs
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
lara.ns.cloudflare.com dns.cloudflare.com 2400345784 10000 2400 604800 1800
Primary NS (mname)
lara.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400345784
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lara.ns.cloudflare.com
woz.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:sendgrid.net ip4:50.19.243.6 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
4 records- google-site-verification=X6g5PnbrfOv6v3iyLcvmYY2mNNEqxPWAjoFO9jVPj_U
- SPFv=spf1 include:spf.protection.outlook.com include:sendgrid.net ip4:50.19.243.6 -all
- MS=ms25565444
- facebook-domain-verification=6f2mq17aeks3oi9ccidzjwsu11dxb3
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