Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ecibuild.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 12:14:02 UTC · ↺ Refresh
MX Hostnames
- ecibuild-com.mail.protection.outlook.com
MX Priorities
- ecibuild-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.16.172.138 (no PTR)
- 199.16.173.7 (no PTR)
Mail Server IPs
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
ns23.worldnic.com namehost.worldnic.com 125101415 10800 3600 604800 3600
Primary NS (mname)
ns23.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125101415
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns24.worldnic.com
ns23.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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=ivqz5PLDWo3_1qEZ_J--4DnrWe3cpuDefehUTf5TMnU
- SPFv=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
- MS=ms29317598
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