Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
celk.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 07:27:18 UTC · ↺ Refresh
MX Hostnames
- celk-com-br.mail.protection.outlook.com
MX Priorities
- celk-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 177.12.171.104 ↩ web36f38.kinghost.net
- 2804:10:8036::171:104 ↩ web36f38.kinghost.net
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.kinghost.com.br abuse.kinghost.net 2603250930 86400 14400 604800 3600
Primary NS (mname)
dns1.kinghost.com.br
Admin Email (rname)
abuse@kinghost.net
Serial
2603250930
Refresh
86400s
Retry
14400s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns2.kinghost.com.br
dns1.kinghost.com.br
dns6.kinghost.com.br
dns5.kinghost.com.br
dns3.kinghost.com.br
dns4.kinghost.com.br
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;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms13958957
- SPFv=spf1 include:spf.protection.outlook.com -all
- facebook-domain-verification=loyjfrmcqrt12ezm9yq4w1gas0qsp4
Full email verification for celk.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits