Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cietec.org.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 12:37:00 UTC · ↺ Refresh
MX Hostnames
- cietec-org-br.mail.protection.outlook.com
MX Priorities
- cietec-org-br.mail.protection.outlook.com: 1
A / AAAA Records
- 200.187.68.118 (no PTR)
Mail Server IPs
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.skymail.net.br hostmaster.cietec.org.br 1719876728 16384 2048 1048576 2560
Primary NS (mname)
ns1.skymail.net.br
Admin Email (rname)
hostmaster@cietec.org.br
Serial
1719876728
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns1.skymail.net.br
ns2.skymail.net.br
ns3.skymail.net.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.skymail.net.br include:cielink.cietec.org.br include:spf.comunique-se.com.br include:_spf.rdstation.com.br include:sendgrid.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
default._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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.skymail.net.br include:cielink.cietec.org.br include:spf.comunique-se.com.br include:_spf.rdstation.com.br include:sendgrid.net -all
- MS=ms58826757
Full email verification for cietec.org.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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