Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
serafine.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 02:11:15 UTC · ↺ Refresh
MX Hostnames
- serafine-com-br.mail.protection.outlook.com
MX Priorities
- serafine-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.82.97 (no PTR)
- 172.67.199.227 (no PTR)
- 2606:4700:3034::6815:5261
- 2606:4700:3034::ac43:c7e3
Mail Server IPs
- 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
- 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
- 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com
- 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
derek.ns.cloudflare.com dns.cloudflare.com 2400031970 10000 2400 604800 1800
Primary NS (mname)
derek.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400031970
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
maria.ns.cloudflare.com
derek.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:amazonses.com include:_spf.rdstation.com.br include:sendgrid.net include:spf.protection.outlook.com include:_spf.tray.com.br -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; [email protected]; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → [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
5 records- SPFv=spf1 include:amazonses.com include:_spf.rdstation.com.br include:sendgrid.net include:spf.protection.outlook.com include:_spf.tray.com.br -all
- MS=ms55458400
- facebook-domain-verification=x8jmth4ylb0gzgmg1c7zcxs9h8byx2
- google-site-verification=RNtAfdP_w-Ur8j1I07Ghms084mCMdWLU5pt1vlaWllc
- google-site-verification=wvJO5cnSDXSrIEnkUxmx80xSx_7iJRpzYKPQX25xLpY
Full email verification for serafine.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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