Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marista.edu.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 06:44:18 UTC · ↺ Refresh
MX Hostnames
- marista-edu-br.mail.protection.outlook.com
MX Priorities
- marista-edu-br.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.8.14 (no PTR)
- 104.26.9.14 (no PTR)
- 172.67.73.231
- 2606:4700:20::ac43:49e7
- 2606:4700:20::681a:90e
- 2606:4700:20::681a:80e
Mail Server IPs
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
amit.ns.cloudflare.com dns.cloudflare.com 2399673726 10000 2400 604800 1800
Primary NS (mname)
amit.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399673726
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dahlia.ns.cloudflare.com
amit.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._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
4 records- SPFv=spf1 include:spf.protection.outlook.com -all
- d365mktkey=5d10qfmmp7gwjd4jku7y2il02
- google-site-verification=8ljrasWpDNKPBYsuyAT-yVavTs38Lm1PVqDqHdoVFmI
- hibp-verify=dweb_gjfg3ckfxuu72t4lwcfw6tus
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