Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ciiblu.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 16:38:55 UTC · ↺ Refresh
MX Hostnames
- ciiblu-com.mail.protection.outlook.com
MX Priorities
- ciiblu-com.mail.protection.outlook.com: 0
A / AAAA Records
- 173.45.82.13 ↩ hm8.hostmas.net
Mail Server IPs
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
gemma.ns.cloudflare.com dns.cloudflare.com 2400112079 10000 2400 604800 1800
Primary NS (mname)
gemma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400112079
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lakas.ns.cloudflare.com
gemma.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a:hm2.hostmas.net ip4:177.253.216.18 ip4:177.253.216.234 include:spf.protection.outlook.com include:_spf_useast2.prod.hydra.sophos.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a:hm2.hostmas.net ip4:177.253.216.18 ip4:177.253.216.234 include:spf.protection.outlook.com include:_spf_useast2.prod.hydra.sophos.com -all
- sophos-domain-verification=46bfe23e6bd6282d0488a096bec990992a188f0b960ebce384ca43ff4276d16f
Full email verification for ciiblu.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits