Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caldoor.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 07:52:22 UTC · ↺ Refresh
MX Hostnames
- caldoor-com.mail.protection.outlook.com
MX Priorities
- caldoor-com.mail.protection.outlook.com: 0
A / AAAA Records
- 209.17.116.160 (no PTR)
Mail Server IPs
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns59.worldnic.com namehost.worldnic.com 125121321 10800 3600 604800 3600
Primary NS (mname)
ns59.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125121321
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns59.worldnic.com
ns60.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:35.131.71.244 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; aspf=s; fo=0:1:d:s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
6 records- MS=ms26160375
- m2igpghivge4lie32cehb5klml
- google-site-verification=jQ3QmpyF1p342I93n8OGVsGUtOpsKg-QjnzrNpsnmCo
- n5ortdast4q3bev989vtm9r7o8
- SPFv=spf1 include:spf.protection.outlook.com ip4:35.131.71.244 -all
- google-site-verification=3oCJrkvRWxG9VrJsTeXPfsNFrDzxJ1VyDfP7spWVAA8
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