Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tendenciaenergia.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 20:36:48 UTC · ↺ Refresh
MX Hostnames
- tendenciaenergia-com-br.mail.protection.outlook.com
MX Priorities
- tendenciaenergia-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.23.240 (no PTR)
- 172.67.214.44 (no PTR)
- 2606:4700:3031::ac43:d62c
- 2606:4700:3031::6815:17f0
Mail Server IPs
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
macy.ns.cloudflare.com dns.cloudflare.com 2400040201 10000 2400 604800 1800
Primary NS (mname)
macy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400040201
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
macy.ns.cloudflare.com
rajeev.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.brevo.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- google-site-verification=RO4sT24SE2oW9E1y_DsS4AelRh3XdS-8lv0wjmRSewI
- SPFv=spf1 include:spf.protection.outlook.com include:spf.brevo.com -all
- brevo-code:7839cb2ca866d46f5e3c4098e4679fbc
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