Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
castorypolux.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 01:00:17 UTC · ↺ Refresh
MX Hostnames
- castorypolux-com.mail.protection.outlook.com
MX Priorities
- castorypolux-com.mail.protection.outlook.com: 0
A / AAAA Records
- 195.179.239.11 (no PTR)
- 2a02:4780:1:1164::204f:4a29:4 (no PTR)
Mail Server IPs
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dns-parking.com dns.hostinger.com 2026031901 10000 2400 604800 600
Primary NS (mname)
ns1.dns-parking.com
Admin Email (rname)
dns@hostinger.com
Serial
2026031901
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns2.dns-parking.com
ns1.dns-parking.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:20133979.spf07.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
3 records- google-site-verification=sZcOw0V4AutcWhoiePqiERCP0NljFjf6IoFybbnRkgg
- SPFv=spf1 include:spf.protection.outlook.com include:20133979.spf07.hubspotemail.net -all
- MS=82B6942ECD441BD0BD245B2756643D5BFD7897E1
Full email verification for castorypolux.com
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